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-rw-r--r--drivers/acpi/bus.c2
-rw-r--r--drivers/acpi/scan.c16
-rw-r--r--drivers/acpi/video.c4
-rw-r--r--drivers/amba/bus.c9
-rw-r--r--drivers/base/Kconfig8
-rw-r--r--drivers/base/base.h2
-rw-r--r--drivers/base/bus.c116
-rw-r--r--drivers/base/class.c60
-rw-r--r--drivers/base/core.c108
-rw-r--r--drivers/base/firmware_class.c14
-rw-r--r--drivers/base/memory.c3
-rw-r--r--drivers/base/platform.c26
-rw-r--r--drivers/base/power/Makefile2
-rw-r--r--drivers/base/power/main.c344
-rw-r--r--drivers/base/power/power.h38
-rw-r--r--drivers/base/power/resume.c149
-rw-r--r--drivers/base/power/suspend.c210
-rw-r--r--drivers/base/sys.c73
-rw-r--r--drivers/char/dsp56k.c4
-rw-r--r--drivers/char/ip2/ip2main.c12
-rw-r--r--drivers/char/ipmi/ipmi_devintf.c6
-rw-r--r--drivers/char/istallion.c8
-rw-r--r--drivers/char/lp.c5
-rw-r--r--drivers/char/pcmcia/cm4000_cs.c5
-rw-r--r--drivers/char/pcmcia/cm4040_cs.c5
-rw-r--r--drivers/char/pty.c9
-rw-r--r--drivers/char/raw.c5
-rw-r--r--drivers/char/snsc.c3
-rw-r--r--drivers/char/stallion.c7
-rw-r--r--drivers/char/tipar.c6
-rw-r--r--drivers/char/viotape.c10
-rw-r--r--drivers/cpufreq/cpufreq.c2
-rw-r--r--drivers/edac/edac_mc_sysfs.c3
-rw-r--r--drivers/eisa/eisa-bus.c9
-rw-r--r--drivers/firewire/fw-device.c11
-rw-r--r--drivers/firmware/dmi-id.c62
-rw-r--r--drivers/firmware/edd.c4
-rw-r--r--drivers/firmware/efivars.c4
-rw-r--r--drivers/i2c/i2c-core.c8
-rw-r--r--drivers/ide/ide.c17
-rw-r--r--drivers/ieee1394/nodemgr.c17
-rw-r--r--drivers/infiniband/core/sysfs.c9
-rw-r--r--drivers/input/input.c62
-rw-r--r--drivers/input/misc/pcspkr.c1
-rw-r--r--drivers/input/serio/serio.c11
-rw-r--r--drivers/md/md.c3
-rw-r--r--drivers/media/dvb/dvb-core/dvbdev.c5
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-sysfs.c4
-rw-r--r--drivers/misc/tifm_core.c9
-rw-r--r--drivers/mmc/core/bus.c21
-rw-r--r--drivers/net/ibmveth.c2
-rw-r--r--drivers/pci/hotplug.c28
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c60
-rw-r--r--drivers/pci/hotplug/rpadlpar_sysfs.c6
-rw-r--r--drivers/pci/pci-driver.c3
-rw-r--r--drivers/pci/pci.h3
-rw-r--r--drivers/pci/setup-irq.c2
-rw-r--r--drivers/pcmcia/cs.c10
-rw-r--r--drivers/pcmcia/ds.c26
-rw-r--r--drivers/pcmcia/pxa2xx_mainstone.c2
-rw-r--r--drivers/pcmcia/pxa2xx_sharpsl.c2
-rw-r--r--drivers/power/power_supply.h3
-rw-r--r--drivers/power/power_supply_sysfs.c17
-rw-r--r--drivers/s390/cio/ccwgroup.c3
-rw-r--r--drivers/s390/cio/device.c25
-rw-r--r--drivers/s390/crypto/ap_bus.c14
-rw-r--r--drivers/scsi/scsi_sysfs.c9
-rw-r--r--drivers/spi/spi.c7
-rw-r--r--drivers/usb/core/devio.c6
-rw-r--r--drivers/usb/core/driver.c29
-rw-r--r--drivers/usb/core/message.c28
-rw-r--r--drivers/video/output.c29
-rw-r--r--drivers/w1/w1.c19
73 files changed, 743 insertions, 1121 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index feab124d8e0..cbfc81579c9 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -194,7 +194,7 @@ int acpi_bus_set_power(acpi_handle handle, int state)
if (!device->flags.power_manageable) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable\n",
- device->dev.kobj.name));
+ kobject_name(&device->dev.kobj)));
return -ENODEV;
}
/*
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 64620d66874..5b4d462117c 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -319,16 +319,18 @@ static int acpi_bus_match(struct device *dev, struct device_driver *drv)
return !acpi_match_device_ids(acpi_dev, acpi_drv->ids);
}
-static int acpi_device_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int acpi_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
+ int len;
- strcpy(buffer, "MODALIAS=");
- if (create_modalias(acpi_dev, buffer + 9, buffer_size - 9) > 0) {
- envp[0] = buffer;
- envp[1] = NULL;
- }
+ if (add_uevent_var(env, "MODALIAS="))
+ return -ENOMEM;
+ len = create_modalias(acpi_dev, &env->buf[env->buflen - 1],
+ sizeof(env->buf) - env->buflen);
+ if (len >= (sizeof(env->buf) - env->buflen))
+ return -ENOMEM;
+ env->buflen += len;
return 0;
}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index d05891f1628..b8a2095cb5e 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -316,7 +316,7 @@ static int acpi_video_output_get(struct output_device *od)
{
unsigned long state;
struct acpi_video_device *vd =
- (struct acpi_video_device *)class_get_devdata(&od->class_dev);
+ (struct acpi_video_device *)dev_get_drvdata(&od->dev);
acpi_video_device_get_state(vd, &state);
return (int)state;
}
@@ -325,7 +325,7 @@ static int acpi_video_output_set(struct output_device *od)
{
unsigned long state = od->request_state;
struct acpi_video_device *vd=
- (struct acpi_video_device *)class_get_devdata(&od->class_dev);
+ (struct acpi_video_device *)dev_get_drvdata(&od->dev);
return acpi_video_device_set_state(vd, state);
}
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 268e301775f..6b94fb7be5f 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -44,15 +44,12 @@ static int amba_match(struct device *dev, struct device_driver *drv)
}
#ifdef CONFIG_HOTPLUG
-static int amba_uevent(struct device *dev, char **envp, int nr_env, char *buf, int bufsz)
+static int amba_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct amba_device *pcdev = to_amba_device(dev);
- int retval = 0, i = 0, len = 0;
+ int retval = 0;
- retval = add_uevent_var(envp, nr_env, &i,
- buf, bufsz, &len,
- "AMBA_ID=%08x", pcdev->periphid);
- envp[i] = NULL;
+ retval = add_uevent_var(env, "AMBA_ID=%08x", pcdev->periphid);
return retval;
}
#else
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 5d6312e3349..d7da109c24f 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -1,5 +1,13 @@
menu "Generic Driver Options"
+config UEVENT_HELPER_PATH
+ string "path to uevent helper"
+ depends on HOTPLUG
+ default "/sbin/hotplug"
+ help
+ Path to uevent helper program forked by the kernel for
+ every uevent.
+
config STANDALONE
bool "Select only drivers that don't need compile-time external firmware" if EXPERIMENTAL
default y
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 47eb02d9f1a..10b2fb6c9ce 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -18,8 +18,6 @@ extern int attribute_container_init(void);
extern int bus_add_device(struct device * dev);
extern void bus_attach_device(struct device * dev);
extern void bus_remove_device(struct device * dev);
-extern struct bus_type *get_bus(struct bus_type * bus);
-extern void put_bus(struct bus_type * bus);
extern int bus_add_driver(struct device_driver *);
extern void bus_remove_driver(struct device_driver *);
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 61c67526a65..9a19b071c57 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -30,6 +30,17 @@
static int __must_check bus_rescan_devices_helper(struct device *dev,
void *data);
+static struct bus_type *bus_get(struct bus_type *bus)
+{
+ return bus ? container_of(kset_get(&bus->subsys),
+ struct bus_type, subsys) : NULL;
+}
+
+static void bus_put(struct bus_type *bus)
+{
+ kset_put(&bus->subsys);
+}
+
static ssize_t
drv_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
{
@@ -78,7 +89,7 @@ static void driver_release(struct kobject * kobj)
*/
}
-static struct kobj_type ktype_driver = {
+static struct kobj_type driver_ktype = {
.sysfs_ops = &driver_sysfs_ops,
.release = driver_release,
};
@@ -122,9 +133,9 @@ static struct sysfs_ops bus_sysfs_ops = {
int bus_create_file(struct bus_type * bus, struct bus_attribute * attr)
{
int error;
- if (get_bus(bus)) {
+ if (bus_get(bus)) {
error = sysfs_create_file(&bus->subsys.kobj, &attr->attr);
- put_bus(bus);
+ bus_put(bus);
} else
error = -EINVAL;
return error;
@@ -132,9 +143,9 @@ int bus_create_file(struct bus_type * bus, struct bus_attribute * attr)
void bus_remove_file(struct bus_type * bus, struct bus_attribute * attr)
{
- if (get_bus(bus)) {
+ if (bus_get(bus)) {
sysfs_remove_file(&bus->subsys.kobj, &attr->attr);
- put_bus(bus);
+ bus_put(bus);
}
}
@@ -172,7 +183,7 @@ static int driver_helper(struct device *dev, void *data)
static ssize_t driver_unbind(struct device_driver *drv,
const char *buf, size_t count)
{
- struct bus_type *bus = get_bus(drv->bus);
+ struct bus_type *bus = bus_get(drv->bus);
struct device *dev;
int err = -ENODEV;
@@ -186,7 +197,7 @@ static ssize_t driver_unbind(struct device_driver *drv,
err = count;
}
put_device(dev);
- put_bus(bus);
+ bus_put(bus);
return err;
}
static DRIVER_ATTR(unbind, S_IWUSR, NULL, driver_unbind);
@@ -199,7 +210,7 @@ static DRIVER_ATTR(unbind, S_IWUSR, NULL, driver_unbind);
static ssize_t driver_bind(struct device_driver *drv,
const char *buf, size_t count)
{
- struct bus_type *bus = get_bus(drv->bus);
+ struct bus_type *bus = bus_get(drv->bus);
struct device *dev;
int err = -ENODEV;
@@ -219,7 +230,7 @@ static ssize_t driver_bind(struct device_driver *drv,
err = -ENODEV;
}
put_device(dev);
- put_bus(bus);
+ bus_put(bus);
return err;
}
static DRIVER_ATTR(bind, S_IWUSR, NULL, driver_bind);
@@ -430,7 +441,7 @@ static inline void remove_deprecated_bus_links(struct device *dev) { }
*/
int bus_add_device(struct device * dev)
{
- struct bus_type * bus = get_bus(dev->bus);
+ struct bus_type * bus = bus_get(dev->bus);
int error = 0;
if (bus) {
@@ -459,7 +470,7 @@ out_subsys:
out_id:
device_remove_attrs(bus, dev);
out_put:
- put_bus(dev->bus);
+ bus_put(dev->bus);
return error;
}
@@ -509,7 +520,7 @@ void bus_remove_device(struct device * dev)
}
pr_debug("bus %s: remove device %s\n", dev->bus->name, dev->bus_id);
device_release_driver(dev);
- put_bus(dev->bus);
+ bus_put(dev->bus);
}
}
@@ -568,32 +579,29 @@ static void remove_bind_files(struct device_driver *drv)
driver_remove_file(drv, &driver_attr_unbind);
}
+static BUS_ATTR(drivers_probe, S_IWUSR, NULL, store_drivers_probe);
+static BUS_ATTR(drivers_autoprobe, S_IWUSR | S_IRUGO,
+ show_drivers_autoprobe, store_drivers_autoprobe);
+
static int add_probe_files(struct bus_type *bus)
{
int retval;
- bus->drivers_probe_attr.attr.name = "drivers_probe";
- bus->drivers_probe_attr.attr.mode = S_IWUSR;
- bus->drivers_probe_attr.store = store_drivers_probe;
- retval = bus_create_file(bus, &bus->drivers_probe_attr);
+ retval = bus_create_file(bus, &bus_attr_drivers_probe);
if (retval)
goto out;
- bus->drivers_autoprobe_attr.attr.name = "drivers_autoprobe";
- bus->drivers_autoprobe_attr.attr.mode = S_IWUSR | S_IRUGO;
- bus->drivers_autoprobe_attr.show = show_drivers_autoprobe;
- bus->drivers_autoprobe_attr.store = store_drivers_autoprobe;
- retval = bus_create_file(bus, &bus->drivers_autoprobe_attr);
+ retval = bus_create_file(bus, &bus_attr_drivers_autoprobe);
if (retval)
- bus_remove_file(bus, &bus->drivers_probe_attr);
+ bus_remove_file(bus, &bus_attr_drivers_probe);
out:
return retval;
}
static void remove_probe_files(struct bus_type *bus)
{
- bus_remove_file(bus, &bus->drivers_autoprobe_attr);
- bus_remove_file(bus, &bus->drivers_probe_attr);
+ bus_remove_file(bus, &bus_attr_drivers_autoprobe);
+ bus_remove_file(bus, &bus_attr_drivers_probe);
}
#else
static inline int add_bind_files(struct device_driver *drv) { return 0; }
@@ -602,6 +610,17 @@ static inline int add_probe_files(struct bus_type *bus) { return 0; }
static inline void remove_probe_files(struct bus_type *bus) {}
#endif
+static ssize_t driver_uevent_store(struct device_driver *drv,
+ const char *buf, size_t count)
+{
+ enum kobject_action action;
+
+ if (kobject_action_type(buf, count, &action) == 0)
+ kobject_uevent(&drv->kobj, action);
+ return count;
+}
+static DRIVER_ATTR(uevent, S_IWUSR, NULL, driver_uevent_store);
+
/**
* bus_add_driver - Add a driver to the bus.
* @drv: driver.
@@ -609,7 +628,7 @@ static inline void remove_probe_files(struct bus_type *bus) {}
*/
int bus_add_driver(struct device_driver *drv)
{
- struct bus_type * bus = get_bus(drv->bus);
+ struct bus_type * bus = bus_get(drv->bus);
int error = 0;
if (!bus)
@@ -632,6 +651,11 @@ int bus_add_driver(struct device_driver *drv)
klist_add_tail(&drv->knode_bus, &bus->klist_drivers);
module_add_driver(drv->owner, drv);
+ error = driver_create_file(drv, &driver_attr_uevent);
+ if (error) {
+ printk(KERN_ERR "%s: uevent attr (%s) failed\n",
+ __FUNCTION__, drv->name);
+ }
error = driver_add_attrs(bus, drv);
if (error) {
/* How the hell do we get out of this pickle? Give up */
@@ -649,7 +673,7 @@ int bus_add_driver(struct device_driver *drv)
out_unregister:
kobject_unregister(&drv->kobj);
out_put_bus:
- put_bus(bus);
+ bus_put(bus);
return error;
}
@@ -669,12 +693,13 @@ void bus_remove_driver(struct device_driver * drv)
remove_bind_files(drv);
driver_remove_attrs(drv->bus, drv);
+ driver_remove_file(drv, &driver_attr_uevent);
klist_remove(&drv->knode_bus);
pr_debug("bus %s: remove driver %s\n", drv->bus->name, drv->name);
driver_detach(drv);
module_remove_driver(drv);
kobject_unregister(&drv->kobj);
- put_bus(drv->bus);
+ bus_put(drv->bus);
}
@@ -729,18 +754,6 @@ int device_reprobe(struct device *dev)
}
EXPORT_SYMBOL_GPL(device_reprobe);
-struct bus_type *get_bus(struct bus_type *bus)
-{
- return bus ? container_of(subsys_get(&bus->subsys),
- struct bus_type, subsys) : NULL;
-}
-
-void put_bus(struct bus_type * bus)
-{
- subsys_put(&bus->subsys);
-}
-
-
/**
* find_bus - locate bus by name.
* @name: name of bus.
@@ -808,6 +821,17 @@ static void klist_devices_put(struct klist_node *n)
put_device(dev);
}
+static ssize_t bus_uevent_store(struct bus_type *bus,
+ const char *buf, size_t count)
+{
+ enum kobject_action action;
+
+ if (kobject_action_type(buf, count, &action) == 0)
+ kobject_uevent(&bus->subsys.kobj, action);
+ return count;
+}
+static BUS_ATTR(uevent, S_IWUSR, NULL, bus_uevent_store);
+
/**
* bus_register - register a bus with the system.
* @bus: bus.
@@ -826,11 +850,16 @@ int bus_register(struct bus_type * bus)
if (retval)
goto out;
- subsys_set_kset(bus, bus_subsys);
+ bus->subsys.kobj.kset = &bus_subsys;
+
retval = subsystem_register(&bus->subsys);
if (retval)
goto out;
+ retval = bus_create_file(bus, &bus_attr_uevent);
+ if (retval)
+ goto bus_uevent_fail;
+
kobject_set_name(&bus->devices.kobj, "devices");
bus->devices.kobj.parent = &bus->subsys.kobj;
retval = kset_register(&bus->devices);
@@ -839,7 +868,7 @@ int bus_register(struct bus_type * bus)
kobject_set_name(&bus->drivers.kobj, "drivers");
bus->drivers.kobj.parent = &bus->subsys.kobj;
- bus->drivers.ktype = &ktype_driver;
+ bus->drivers.ktype = &driver_ktype;
retval = kset_register(&bus->drivers);
if (retval)
goto bus_drivers_fail;
@@ -866,6 +895,8 @@ bus_probe_files_fail:
bus_drivers_fail:
kset_unregister(&bus->devices);
bus_devices_fail:
+ bus_remove_file(bus, &bus_attr_uevent);
+bus_uevent_fail:
subsystem_unregister(&bus->subsys);
out:
return retval;
@@ -876,7 +907,7 @@ out:
* @bus: bus.
*
* Unregister the child subsystems and the bus itself.
- * Finally, we call put_bus() to release the refcount
+ * Finally, we call bus_put() to release the refcount
*/
void bus_unregister(struct bus_type * bus)
{
@@ -885,6 +916,7 @@ void bus_unregister(struct bus_type * bus)
remove_probe_files(bus);
kset_unregister(&bus->drivers);
kset_unregister(&bus->devices);
+ bus_remove_file(bus, &bus_attr_uevent);
subsystem_unregister(&bus->subsys);
}
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 4d2222618b7..a863bb091e1 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -65,13 +65,13 @@ static struct sysfs_ops class_sysfs_ops = {
.store = class_attr_store,
};
-static struct kobj_type ktype_class = {
+static struct kobj_type class_ktype = {
.sysfs_ops = &class_sysfs_ops,
.release = class_release,
};
/* Hotplug events for classes go to the class_obj subsys */
-static decl_subsys(class, &ktype_class, NULL);
+static decl_subsys(class, &class_ktype, NULL);
int class_create_file(struct class * cls, const struct class_attribute * attr)
@@ -93,14 +93,14 @@ void class_remove_file(struct class * cls, const struct class_attribute * attr)
static struct class *class_get(struct class *cls)
{
if (cls)
- return container_of(subsys_get(&cls->subsys), struct class, subsys);
+ return container_of(kset_get(&cls->subsys), struct class, subsys);
return NULL;
}
static void class_put(struct class * cls)
{
if (cls)
- subsys_put(&cls->subsys);
+ kset_put(&cls->subsys);
}
@@ -149,7 +149,7 @@ int class_register(struct class * cls)
if (error)
return error;
- subsys_set_kset(cls, class_subsys);
+ cls->subsys.kobj.kset = &class_subsys;
error = subsystem_register(&cls->subsys);
if (!error) {
@@ -180,8 +180,7 @@ static void class_device_create_release(struct class_device *class_dev)
/* needed to allow these devices to have parent class devices */
static int class_device_create_uevent(struct class_device *class_dev,
- char **envp, int num_envp,
- char *buffer, int buffer_size)
+ struct kobj_uevent_env *env)
{
pr_debug("%s called for %s\n", __FUNCTION__, class_dev->class_id);
return 0;
@@ -324,7 +323,7 @@ static void class_dev_release(struct kobject * kobj)
}
}
-static struct kobj_type ktype_class_device = {
+static struct kobj_type class_device_ktype = {
.sysfs_ops = &class_dev_sysfs_ops,
.release = class_dev_release,
};
@@ -333,7 +332,7 @@ static int class_uevent_filter(struct kset *kset, struct kobject *kobj)
{
struct kobj_type *ktype = get_ktype(kobj);
- if (ktype == &ktype_class_device) {
+ if (ktype == &class_device_ktype) {
struct class_device *class_dev = to_class_dev(kobj);
if (class_dev->class)
return 1;
@@ -403,64 +402,43 @@ static void remove_deprecated_class_device_links(struct class_device *cd)
{ }
#endif
-static int class_uevent(struct kset *kset, struct kobject *kobj, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int class_uevent(struct kset *kset, struct kobject *kobj,
+ struct kobj_uevent_env *env)
{
struct class_device *class_dev = to_class_dev(kobj);
struct device *dev = class_dev->dev;
- int i = 0;
- int length = 0;
int retval = 0;
pr_debug("%s - name = %s\n", __FUNCTION__, class_dev->class_id);
if (MAJOR(class_dev->devt)) {
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MAJOR=%u", MAJOR(class_dev->devt));
+ add_uevent_var(env, "MAJOR=%u", MAJOR(class_dev->devt));
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MINOR=%u", MINOR(class_dev->devt));
+ add_uevent_var(env, "MINOR=%u", MINOR(class_dev->devt));
}
if (dev) {
const char *path = kobject_get_path(&dev->kobj, GFP_KERNEL);
if (path) {
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVPATH=%s", path);
+ add_uevent_var(env, "PHYSDEVPATH=%s", path);
kfree(path);
}
if (dev->bus)
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVBUS=%s", dev->bus->name);
+ add_uevent_var(env, "PHYSDEVBUS=%s", dev->bus->name);
if (dev->driver)
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVDRIVER=%s", dev->driver->name);
+ add_uevent_var(env, "PHYSDEVDRIVER=%s", dev->driver->name);
}
- /* terminate, set to next free slot, shrink available space */
- envp[i] = NULL;
- envp = &envp[i];
- num_envp -= i;
- buffer = &buffer[length];
- buffer_size -= length;
-
if (class_dev->uevent) {
/* have the class device specific function add its stuff */
- retval = class_dev->uevent(class_dev, envp, num_envp,
- buffer, buffer_size);
+ retval = class_dev->uevent(class_dev, env);
if (retval)
pr_debug("class_dev->uevent() returned %d\n", retval);
} else if (class_dev->class->uevent) {
/* have the class specific function add its stuff */
- retval = class_dev->class->uevent(class_dev, envp, num_envp,
- buffer, buffer_size);
+ retval = class_dev->class->uevent(class_dev, env);
if (retval)
pr_debug("class->uevent() returned %d\n", retval);
}
@@ -474,7 +452,7 @@ static struct kset_uevent_ops class_uevent_ops = {
.uevent = class_uevent,
};
-static decl_subsys(class_obj, &ktype_class_device, &class_uevent_ops);
+static decl_subsys(class_obj, &class_device_ktype, &class_uevent_ops);
static int class_device_add_attrs(struct class_device * cd)
@@ -883,7 +861,7 @@ int __init classes_init(void)
/* ick, this is ugly, the things we go through to keep from showing up
* in sysfs... */
- subsystem_init(&class_obj_subsys);
+ kset_init(&class_obj_subsys);
if (!class_obj_subsys.kobj.parent)
class_obj_subsys.kobj.parent = &class_obj_subsys.kobj;
return 0;
diff --git a/drivers/base/core.c b/drivers/base/core.c
index ec86d6fc236..c1343414d28 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -108,7 +108,7 @@ static void device_release(struct kobject * kobj)
}
}
-static struct kobj_type ktype_device = {
+static struct kobj_type device_ktype = {
.release = device_release,
.sysfs_ops = &dev_sysfs_ops,
};
@@ -118,7 +118,7 @@ static int dev_uevent_filter(struct kset *kset, struct kobject *kobj)
{
struct kobj_type *ktype = get_ktype(kobj);
- if (ktype == &ktype_device) {
+ if (ktype == &device_ktype) {
struct device *dev = to_dev(kobj);
if (dev->uevent_suppress)
return 0;
@@ -141,33 +141,23 @@ static const char *dev_uevent_name(struct kset *kset, struct kobject *kobj)
return NULL;
}
-static int dev_uevent(struct kset *kset, struct kobject *kobj, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int dev_uevent(struct kset *kset, struct kobject *kobj,
+ struct kobj_uevent_env *env)
{
struct device *dev = to_dev(kobj);
- int i = 0;
- int length = 0;
int retval = 0;
/* add the major/minor if present */
if (MAJOR(dev->devt)) {
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MAJOR=%u", MAJOR(dev->devt));
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MINOR=%u", MINOR(dev->devt));
+ add_uevent_var(env, "MAJOR=%u", MAJOR(dev->devt));
+ add_uevent_var(env, "MINOR=%u", MINOR(dev->devt));
}
if (dev->type && dev->type->name)
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "DEVTYPE=%s", dev->type->name);
+ add_uevent_var(env, "DEVTYPE=%s", dev->type->name);
if (dev->driver)
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "DRIVER=%s", dev->driver->name);
+ add_uevent_var(env, "DRIVER=%s", dev->driver->name);
#ifdef CONFIG_SYSFS_DEPRECATED
if (dev->class) {
@@ -181,59 +171,43 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, char **envp,
path = kobject_get_path(&parent->kobj, GFP_KERNEL);
if (path) {
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVPATH=%s", path);
+ add_uevent_var(env, "PHYSDEVPATH=%s", path);
kfree(path);
}
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVBUS=%s", parent->bus->name);
+ add_uevent_var(env, "PHYSDEVBUS=%s", parent->bus->name);
if (parent->driver)
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVDRIVER=%s", parent->driver->name);
+ add_uevent_var(env, "PHYSDEVDRIVER=%s",
+ parent->driver->name);
}
} else if (dev->bus) {
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVBUS=%s", dev->bus->name);
+ add_uevent_var(env, "PHYSDEVBUS=%s", dev->bus->name);
if (dev->driver)
- add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PHYSDEVDRIVER=%s", dev->driver->name);
+ add_uevent_var(env, "PHYSDEVDRIVER=%s", dev->driver->name);
}
#endif
- /* terminate, set to next free slot, shrink available space */
- envp[i] = NULL;
- envp = &envp[i];
- num_envp -= i;
- buffer = &buffer[length];
- buffer_size -= length;
-
+ /* have the bus specific function add its stuff */
if (dev->bus && dev->bus->uevent) {
- /* have the bus specific function add its stuff */
- retval = dev->bus->uevent(dev, envp, num_envp, buffer, buffer_size);
+ retval = dev->bus->uevent(dev, env);
if (retval)
pr_debug ("%s: bus uevent() returned %d\n",
__FUNCTION__, retval);
}
+ /* have the class specific function add its stuff */
if (dev->class && dev->class->dev_uevent) {
- /* have the class specific function add its stuff */
- retval = dev->class->dev_uevent(dev, envp, num_envp, buffer, buffer_size);
+ retval = dev->class->dev_uevent(dev, env);
if (retval)
pr_debug("%s: class uevent() returned %d\n",
__FUNCTION__, retval);
}
+ /* have the device type specific fuction add its stuff */
if (dev->type && dev->type->uevent) {
- /* have the device type specific fuction add its stuff */
- retval = dev->type->uevent(dev, envp, num_envp, buffer, buffer_size);
+ retval = dev->type->uevent(dev, env);
if (retval)
pr_debug("%s: dev_type uevent() returned %d\n",
__FUNCTION__, retval);
@@ -253,22 +227,18 @@ static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
{
struct kobject *top_kobj;
struct kset *kset;
- char *envp[32];
- char *data = NULL;
- char *pos;
+ struct kobj_uevent_env *env = NULL;
int i;
size_t count = 0;
int retval;
/* search the kset, the device belongs to */
top_kobj = &dev->kobj;
- if (!top_kobj->kset && top_kobj->parent) {
- do {
- top_kobj = top_kobj->parent;
- } while (!top_kobj->kset && top_kobj->parent);
- }
+ while (!top_kobj->kset && top_kobj->parent)
+ top_kobj = top_kobj->parent;
if (!top_kobj->kset)
goto out;
+
kset = top_kobj->kset;
if (!kset->uevent_ops || !kset->uevent_ops->uevent)
goto out;
@@ -278,43 +248,29 @@ static ssize_t show_uevent(struct device *dev, struct device_attribute *attr,
if (!kset->uevent_ops->filter(kset, &dev->kobj))
goto out;
- data = (char *)get_zeroed_page(GFP_KERNEL);
- if (!data)
+ env = kzalloc(sizeof(struct kobj_uevent_env), GFP_KERNEL);
+ if (!env)
return -ENOMEM;
/* let the kset specific function add its keys */
- pos = data;
- memset(envp, 0, sizeof(envp));
- retval = kset->uevent_ops->uevent(kset, &dev->kobj,
- envp, ARRAY_SIZE(envp),
- pos, PAGE_SIZE);
+ retval = kset->uevent_ops->uevent(kset, &dev->kobj, env);
if (retval)
goto out;
/* copy keys to file */
- for (i = 0; envp[i]; i++) {
- pos = &buf[count];
- count += sprintf(pos, "%s\n", envp[i]);
- }
+ for (i = 0; i < env->envp_idx; i++)
+ count += sprintf(&buf[count], "%s\n", env->envp[i]);
out:
- free_page((unsigned long)data);
+ kfree(env);
return count;
}
static ssize_t store_uevent(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- size_t len = count;
enum kobject_action action;
- if (len && buf[len-1] == '\n')
- len--;
-
- for (action = 0; action < KOBJ_MAX; action++) {
- if (strncmp(kobject_actions[action], buf, len) != 0)
- continue;
- if (kobject_actions[action][len] != '\0')
- continue;
+ if (kobject_action_type(buf, count, &action) == 0) {
kobject_uevent(&dev->kobj, action);
goto out;
}
@@ -449,7 +405,7 @@ static struct device_attribute devt_attr =
* devices_subsys - structure to be registered with kobject core.
*/
-decl_subsys(devices, &ktype_device, &device_uevent_ops);
+decl_subsys(devices, &device_ktype, &device_uevent_ops);
/**
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index b24efd4e3e3..0295855a3ee 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -88,19 +88,14 @@ static CLASS_ATTR(timeout, 0644, firmware_timeout_show, firmware_timeout_store);
static void fw_dev_release(struct device *dev);
-static int firmware_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct firmware_priv *fw_priv = dev_get_drvdata(dev);
- int i = 0, len = 0;
- if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "FIRMWARE=%s", fw_priv->fw_id))
+ if (add_uevent_var(env, "FIRMWARE=%s", fw_priv->fw_id))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "TIMEOUT=%i", loading_timeout))
+ if (add_uevent_var(env, "TIMEOUT=%i", loading_timeout))
return -ENOMEM;
- envp[i] = NULL;
return 0;
}
@@ -297,8 +292,7 @@ firmware_class_timeout(u_long data)
static inline void fw_setup_device_id(struct device *f_dev, struct device *dev)
{
- /* XXX warning we should watch out for name collisions */
- strlcpy(f_dev->bus_id, dev->bus_id, BUS_ID_SIZE);
+ snprintf(f_dev->bus_id, BUS_ID_SIZE, "firmware-%s", dev->bus_id);
}
static int fw_register_device(struct device **dev_p, const char *fw_name,
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 74b96795d2f..cb99daeae93 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -34,8 +34,7 @@ static const char *memory_uevent_name(struct kset *kset, struct kobject *kobj)
return MEMORY_CLASS_NAME;
}
-static int memory_uevent(struct kset *kset, struct kobject *kobj, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int memory_uevent(struct kset *kset, struct kobj_uevent_env *env)
{
int retval = 0;
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 869ff8c0014..fb560924148 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -160,13 +160,8 @@ static void platform_device_release(struct device *dev)
*
* Create a platform device object which can have other objects attached
* to it, and which will have attached objects freed when it is released.
- *
- * This device will be marked as not supporting hotpluggable drivers; no
- * device add/remove uevents will be generated. In the unusual case that
- * the device isn't being dynamically allocated as a legacy "probe the
- * hardware" driver, infrastructure code should reverse this marking.
*/
-struct platform_device *platform_device_alloc(const char *name, unsigned int id)
+struct platform_device *platform_device_alloc(const char *name, int id)
{
struct platform_object *pa;
@@ -177,12 +172,6 @@ struct platform_device *platform_device_alloc(const char *name, unsigned int id)
pa->pdev.id = id;
device_initialize(&pa->pdev.dev);
pa->pdev.dev.release = platform_device_release;
-
- /* prevent hotplug "modprobe $(MODALIAS)" from causing trouble in
- * legacy probe-the-hardware drivers, which don't properly split
- * out device enumeration logic from drivers.
- */
- pa->pdev.dev.uevent_suppress = 1;
}
return pa ? &pa->pdev : NULL;
@@ -256,7 +245,8 @@ int platform_device_add(struct platform_device *pdev)
pdev->dev.bus = &platform_bus_type;
if (pdev->id != -1)
- snprintf(pdev->dev.bus_id, BUS_ID_SIZE, "%s.%u", pdev->name, pdev->id);
+ snprintf(pdev->dev.bus_id, BUS_ID_SIZE, "%s.%d", pdev->name,
+ pdev->id);
else
strlcpy(pdev->dev.bus_id, pdev->name, BUS_ID_SIZE);
@@ -370,7 +360,7 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
* the Linux driver model. In particular, when such drivers are built
* as modules, they can't be "hotplugged".
*/
-struct platform_device *platform_device_register_simple(char *name, unsigned int id,
+struct platform_device *platform_device_register_simple(char *name, int id,
struct resource *res, unsigned int num)
{
struct platform_device *pdev;
@@ -530,7 +520,7 @@ static ssize_t
modalias_show(struct device *dev, struct device_attribute *a, char *buf)
{
struct platform_device *pdev = to_platform_device(dev);
- int len = snprintf(buf, PAGE_SIZE, "%s\n", pdev->name);
+ int len = snprintf(buf, PAGE_SIZE, "platform:%s\n", pdev->name);
return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
}
@@ -540,13 +530,11 @@ static struct device_attribute platform_dev_attrs[] = {
__ATTR_NULL,
};
-static int platform_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct platform_device *pdev = to_platform_device(dev);
- envp[0] = buffer;
- snprintf(buffer, buffer_size, "MODALIAS=%s", pdev->name);
+ add_uevent_var(env, "MODALIAS=platform:%s", pdev->name);
return 0;
}
diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile
index 9caeaea753a..a803733c839 100644
--- a/drivers/base/power/Makefile
+++ b/drivers/base/power/Makefile
@@ -1,5 +1,5 @@
obj-y := shutdown.o
-obj-$(CONFIG_PM_SLEEP) += main.o suspend.o resume.o sysfs.o
+obj-$(CONFIG_PM_SLEEP) += main.o sysfs.o
obj-$(CONFIG_PM_TRACE) += trace.o
ifeq ($(CONFIG_DEBUG_DRIVER),y)
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index eb9f38d0aa5..0ab4ab21f56 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -20,19 +20,24 @@
*/
#include <linux/device.h>
+#include <linux/kallsyms.h>
#include <linux/mutex.h>
+#include <linux/pm.h>
+#include <linux/resume-trace.h>
+#include "../base.h"
#include "power.h"
LIST_HEAD(dpm_active);
-LIST_HEAD(dpm_off);
-LIST_HEAD(dpm_off_irq);
+static LIST_HEAD(dpm_off);
+static LIST_HEAD(dpm_off_irq);
-DEFINE_MUTEX(dpm_mtx);
-DEFINE_MUTEX(dpm_list_mtx);
+static DEFINE_MUTEX(dpm_mtx);
+static DEFINE_MUTEX(dpm_list_mtx);
int (*platform_enable_wakeup)(struct device *dev, int is_on);
+
int device_pm_add(struct device *dev)
{
int error;
@@ -61,3 +66,334 @@ void device_pm_remove(struct device *dev)
}
+/*------------------------- Resume routines -------------------------*/
+
+/**
+ * resume_device - Restore state for one device.
+ * @dev: Device.
+ *
+ */
+
+static int resume_device(struct device * dev)
+{
+ int error = 0;
+
+ TRACE_DEVICE(dev);
+ TRACE_RESUME(0);
+
+ down(&dev->sem);
+
+ if (dev->bus && dev->bus->resume) {
+ dev_dbg(dev,"resuming\n");
+ error = dev->bus->resume(dev);
+ }
+
+ if (!error && dev->type && dev->type->resume) {
+ dev_dbg(dev,"resuming\n");
+ error = dev->type->resume(dev);
+ }
+
+ if (!error && dev->class && dev->class->resume) {
+ dev_dbg(dev,"class resume\n");
+ error = dev->class->resume(dev);
+ }
+
+ up(&dev->sem);
+
+ TRACE_RESUME(error);
+ return error;
+}
+
+
+static int resume_device_early(struct device * dev)
+{
+ int error = 0;
+
+ TRACE_DEVICE(dev);
+ TRACE_RESUME(0);
+ if (dev->bus && dev->bus->resume_early) {
+ dev_dbg(dev,"EARLY resume\n");
+ error = dev->bus->resume_early(dev);
+ }
+ TRACE_RESUME(error);
+ return error;
+}
+
+/*
+ * Resume the devices that have either not gone through
+ * the late suspend, or that did go through it but also
+ * went through the early resume
+ */
+static void dpm_resume(void)
+{
+ mutex_lock(&dpm_list_mtx);
+ while(!list_empty(&dpm_off)) {
+ struct list_head * entry = dpm_off.next;
+ struct device * dev = to_device(entry);
+
+ get_device(dev);
+ list_move_tail(entry, &dpm_active);
+
+ mutex_unlock(&dpm_list_mtx);
+ resume_device(dev);
+ mutex_lock(&dpm_list_mtx);
+ put_device(dev);
+ }
+ mutex_unlock(&dpm_list_mtx);
+}
+
+
+/**
+ * device_resume - Restore state of each device in system.
+ *
+ * Walk the dpm_off list, remove each entry, resume the device,
+ * then add it to the dpm_active list.
+ */
+
+void device_resume(void)
+{
+ might_sleep();
+ mutex_lock(&dpm_mtx);
+ dpm_resume();
+ mutex_unlock(&dpm_mtx);
+}
+
+EXPORT_SYMBOL_GPL(device_resume);
+
+
+/**
+ * dpm_power_up - Power on some devices.
+ *
+ * Walk the dpm_off_irq list and power each device up. This
+ * is used for devices that required they be powered down with
+ * interrupts disabled. As devices are powered on, they are moved
+ * to the dpm_active list.
+ *
+ * Interrupts must be disabled when calling this.
+ */
+
+static void dpm_power_up(void)
+{
+ while(!list_empty(&dpm_off_irq)) {
+ struct list_head * entry = dpm_off_irq.next;
+ struct device * dev = to_device(entry);
+
+ list_move_tail(entry, &dpm_off);
+ resume_device_early(dev);
+ }
+}
+
+
+/**
+ * device_power_up - Turn on all devices that need special attention.
+ *
+ * Power on system devices then devices that required we shut them down
+ * with interrupts disabled.
+ * Called with interrupts disabled.
+ */
+
+void device_power_up(void)
+{
+ sysdev_resume();
+ dpm_power_up();
+}
+
+EXPORT_SYMBOL_GPL(device_power_up);
+
+
+/*------------------------- Suspend routines -------------------------*/
+
+/*
+ * The entries in the dpm_active list are in a depth first order, simply
+ * because children are guaranteed to be discovered after parents, and
+ * are inserted at the back of the list on discovery.
+ *
+ * All list on the suspend path are done in reverse order, so we operate
+ * on the leaves of the device tree (or forests, depending on how you want
+ * to look at it ;) first. As nodes are removed from the back of the list,
+ * they are inserted into the front of their destintation lists.
+ *
+ * Things are the reverse on the resume path - iterations are done in
+ * forward order, and nodes are inserted at the back of their destination
+ * lists. This way, the ancestors will be accessed before their descendents.
+ */
+
+static inline char *suspend_verb(u32 event)
+{
+ switch (event) {
+ case PM_EVENT_SUSPEND: return "suspend";
+ case PM_EVENT_FREEZE: return "freeze";
+ case PM_EVENT_PRETHAW: return "prethaw";
+ default: return "(unknown suspend event)";
+ }
+}
+
+
+static void
+suspend_device_dbg(struct device *dev, pm_message_t state, char *info)
+{
+ dev_dbg(dev, "%s%s%s\n", info, suspend_verb(state.event),
+ ((state.event == PM_EVENT_SUSPEND) && device_may_wakeup(dev)) ?
+ ", may wakeup" : "");
+}
+
+/**
+ * suspend_device - Save state of one device.
+ * @dev: Device.
+ * @state: Power state device is entering.
+ */
+
+static int suspend_device(struct device * dev, pm_message_t state)
+{
+ int error = 0;
+
+ down(&dev->sem);
+ if (dev->power.power_state.event) {
+ dev_dbg(dev, "PM: suspend %d-->%d\n",
+ dev->power.power_state.event, state.event);
+ }
+
+ if (dev->class && dev->class->suspend) {
+ suspend_device_dbg(dev, state, "class ");
+ error = dev->class->suspend(dev, state);
+ suspend_report_result(dev->class->suspend, error);
+ }
+
+ if (!error && dev->type && dev->type->suspend) {
+ suspend_device_dbg(dev, state, "type ");
+ error = dev->type->suspend(dev, state);
+ suspend_report_result(dev->type->suspend, error);
+ }
+
+ if (!error && dev->bus && dev->bus->suspend) {
+ suspend_device_dbg(dev, state, "");
+ error = dev->bus->suspend(dev, state);
+ suspend_report_result(dev->bus->suspend, error);
+ }
+ up(&dev->sem);
+ return error;
+}
+
+
+/*
+ * This is called with interrupts off, only a single CPU
+ * running. We can't acquire a mutex or semaphore (and we don't
+ * need the protection)
+ */
+static int suspend_device_late(struct device *dev, pm_message_t state)
+{
+ int error = 0;
+
+ if (dev->bus && dev->bus->suspend_late) {
+ suspend_device_dbg(dev, state, "LATE ");
+ error = dev->bus->suspend_late(dev, state);
+ suspend_report_result(dev->bus->suspend_late, error);
+ }
+ return error;
+}
+
+/**
+ * device_suspend - Save state and stop all devices in system.
+ * @state: Power state to put each device in.
+ *
+ * Walk the dpm_active list, call ->suspend() for each device, and move
+ * it to the dpm_off list.
+ *
+ * (For historical reasons, if it returns -EAGAIN, that used to mean
+ * that the device would be called again with interrupts disabled.
+ * These days, we use the "suspend_late()" callback for that, so we
+ * print a warning and consider it an error).
+ *
+ * If we get a different error, try and back out.
+ *
+ * If we hit a failure with any of the devices, call device_resume()
+ * above to bring the suspended devices back to life.
+ *
+ */
+
+int device_suspend(pm_message_t state)
+{
+ int error = 0;
+
+ might_sleep();
+ mutex_lock(&dpm_mtx);
+ mutex_lock(&dpm_list_mtx);
+ while (!list_empty(&dpm_active) && error == 0) {
+ struct list_head * entry = dpm_active.prev;
+ struct device * dev = to_device(entry);
+
+ get_device(dev);
+ mutex_unlock(&dpm_list_mtx);
+
+ error = suspend_device(dev, state);
+
+ mutex_lock(&dpm_list_mtx);
+
+ /* Check if the device got removed */
+ if (!list_empty(&dev->power.entry)) {
+ /* Move it to the dpm_off list */
+ if (!error)
+ list_move(&dev->power.entry, &dpm_off);
+ }
+ if (error)
+ printk(KERN_ERR "Could not suspend device %s: "
+ "error %d%s\n",
+ kobject_name(&dev->kobj), error,
+ error == -EAGAIN ? " (please convert to suspend_late)" : "");
+ put_device(dev);
+ }
+ mutex_unlock(&dpm_list_mtx);
+ if (error)
+ dpm_resume();
+
+ mutex_unlock(&dpm_mtx);
+ return error;
+}
+
+EXPORT_SYMBOL_GPL(device_suspend);
+
+/**
+ * device_power_down - Shut down special devices.
+ * @state: Power state to enter.
+ *
+ * Walk the dpm_off_irq list, calling ->power_down() for each device that
+ * couldn't power down the device with interrupts enabled. When we're
+ * done, power down system devices.
+ */
+
+int device_power_down(pm_message_t state)
+{
+ int error = 0;
+ struct device * dev;
+
+ while (!list_empty(&dpm_off)) {
+ struct list_head * entry = dpm_off.prev;
+
+ dev = to_device(entry);
+ error = suspend_device_late(dev, state);
+ if (error)
+ goto Error;
+ list_move(&dev->power.entry, &dpm_off_irq);
+ }
+
+ error = sysdev_suspend(state);
+ Done:
+ return error;
+ Error:
+ printk(KERN_ERR "Could not power down device %s: "
+ "error %d\n", kobject_name(&dev->kobj), error);
+ dpm_power_up();
+ goto Done;
+}
+
+EXPORT_SYMBOL_GPL(device_power_down);
+
+void __suspend_report_result(const char *function, void *fn, int ret)
+{
+ if (ret) {
+ printk(KERN_ERR "%s(): ", function);
+ print_fn_descriptor_symbol("%s() returns ", (unsigned long)fn);
+ printk("%d\n", ret);
+ }
+}
+EXPORT_SYMBOL_GPL(__suspend_report_result);
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 8ba0830cbc0..5c4efd493fa 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -11,32 +11,11 @@ extern void device_shutdown(void);
* main.c
*/
-/*
- * Used to synchronize global power management operations.
- */
-extern struct mutex dpm_mtx;
-
-/*
- * Used to serialize changes to the dpm_* lists.
- */
-extern struct mutex dpm_list_mtx;
-
-/*
- * The PM lists.
- */
-extern struct list_head dpm_active;
-extern struct list_head dpm_off;
-extern struct list_head dpm_off_irq;
-
-
-static inline struct dev_pm_info * to_pm_info(struct list_head * entry)
-{
- return container_of(entry, struct dev_pm_info, entry);
-}
+extern struct list_head dpm_active; /* The active device list */
static inline struct device * to_device(struct list_head * entry)
{
- return container_of(to_pm_info(entry), struct device, power);
+ return container_of(entry, struct device, power.entry);
}
extern int device_pm_add(struct device *);
@@ -49,19 +28,6 @@ extern void device_pm_remove(struct device *);
extern int dpm_sysfs_add(struct device *);
extern void dpm_sysfs_remove(struct device *);
-/*
- * resume.c
- */
-
-extern void dpm_resume(void);
-extern void dpm_power_up(void);
-extern int resume_device(struct device *);
-
-/*
- * suspend.c
- */
-extern int suspend_device(struct device *, pm_message_t);
-
#else /* CONFIG_PM_SLEEP */
diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c
deleted file mode 100644
index 00fd84ae6e6..00000000000
--- a/drivers/base/power/resume.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * resume.c - Functions for waking devices up.
- *
- * Copyright (c) 2003 Patrick Mochel
- * Copyright (c) 2003 Open Source Development Labs
- *
- * This file is released under the GPLv2
- *
- */
-
-#include <linux/device.h>
-#include <linux/resume-trace.h>
-#include "../base.h"
-#include "power.h"
-
-
-/**
- * resume_device - Restore state for one device.
- * @dev: Device.
- *
- */
-
-int resume_device(struct device * dev)
-{
- int error = 0;
-
- TRACE_DEVICE(dev);
- TRACE_RESUME(0);
-
- down(&dev->sem);
-
- if (dev->bus && dev->bus->resume) {
- dev_dbg(dev,"resuming\n");
- error = dev->bus->resume(dev);
- }
-
- if (!error && dev->type && dev->type->resume) {
- dev_dbg(dev,"resuming\n");
- error = dev->type->resume(dev);
- }
-
- if (!error && dev->class && dev->class->resume) {
- dev_dbg(dev,"class resume\n");
- error = dev->class->resume(dev);
- }
-
- up(&dev->sem);
-
- TRACE_RESUME(error);
- return error;
-}
-
-
-static int resume_device_early(struct device * dev)
-{
- int error = 0;
-
- TRACE_DEVICE(dev);
- TRACE_RESUME(0);
- if (dev->bus && dev->bus->resume_early) {
- dev_dbg(dev,"EARLY resume\n");
- error = dev->bus->resume_early(dev);
- }
- TRACE_RESUME(error);
- return error;
-}
-
-/*
- * Resume the devices that have either not gone through
- * the late suspend, or that did go through it but also
- * went through the early resume
- */
-void dpm_resume(void)
-{
- mutex_lock(&dpm_list_mtx);
- while(!list_empty(&dpm_off)) {
- struct list_head * entry = dpm_off.next;
- struct device * dev = to_device(entry);
-
- get_device(dev);
- list_move_tail(entry, &dpm_active);
-
- mutex_unlock(&dpm_list_mtx);
- resume_device(dev);
- mutex_lock(&dpm_list_mtx);
- put_device(dev);
- }
- mutex_unlock(&dpm_list_mtx);
-}
-
-
-/**
- * device_resume - Restore state of each device in system.
- *
- * Walk the dpm_off list, remove each entry, resume the device,
- * then add it to the dpm_active list.
- */
-
-void device_resume(void)
-{
- might_sleep();
- mutex_lock(&dpm_mtx);
- dpm_resume();
- mutex_unlock(&dpm_mtx);
-}
-
-EXPORT_SYMBOL_GPL(device_resume);
-
-
-/**
- * dpm_power_up - Power on some devices.
- *
- * Walk the dpm_off_irq list and power each device up. This
- * is used for devices that required they be powered down with
- * interrupts disabled. As devices are powered on, they are moved
- * to the dpm_active list.
- *
- * Interrupts must be disabled when calling this.
- */
-
-void dpm_power_up(void)
-{
- while(!list_empty(&dpm_off_irq)) {
- struct list_head * entry = dpm_off_irq.next;
- struct device * dev = to_device(entry);
-
- list_move_tail(entry, &dpm_off);
- resume_device_early(dev);
- }
-}
-
-
-/**
- * device_power_up - Turn on all devices that need special attention.
- *
- * Power on system devices then devices that required we shut them down
- * with interrupts disabled.
- * Called with interrupts disabled.
- */
-
-void device_power_up(void)
-{
- sysdev_resume();
- dpm_power_up();
-}
-
-EXPORT_SYMBOL_GPL(device_power_up);
-
-
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c
deleted file mode 100644
index 26df9b23173..00000000000
--- a/drivers/base/power/suspend.c
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * suspend.c - Functions for putting devices to sleep.
- *
- * Copyright (c) 2003 Patrick Mochel
- * Copyright (c) 2003 Open Source Development Labs
- *
- * This file is released under the GPLv2
- *
- */
-
-#include <linux/device.h>
-#include <linux/kallsyms.h>
-#include <linux/pm.h>
-#include "../base.h"
-#include "power.h"
-
-/*
- * The entries in the dpm_active list are in a depth first order, simply
- * because children are guaranteed to be discovered after parents, and
- * are inserted at the back of the list on discovery.
- *
- * All list on the suspend path are done in reverse order, so we operate
- * on the leaves of the device tree (or forests, depending on how you want
- * to look at it ;) first. As nodes are removed from the back of the list,
- * they are inserted into the front of their destintation lists.
- *
- * Things are the reverse on the resume path - iterations are done in
- * forward order, and nodes are inserted at the back of their destination
- * lists. This way, the ancestors will be accessed before their descendents.
- */
-
-static inline char *suspend_verb(u32 event)
-{
- switch (event) {
- case PM_EVENT_SUSPEND: return "suspend";
- case PM_EVENT_FREEZE: return "freeze";
- case PM_EVENT_PRETHAW: return "prethaw";
- default: return "(unknown suspend event)";
- }
-}
-
-
-static void
-suspend_device_dbg(struct device *dev, pm_message_t state, char *info)
-{
- dev_dbg(dev, "%s%s%s\n", info, suspend_verb(state.event),
- ((state.event == PM_EVENT_SUSPEND) && device_may_wakeup(dev)) ?
- ", may wakeup" : "");
-}
-
-/**
- * suspend_device - Save state of one device.
- * @dev: Device.
- * @state: Power state device is entering.
- */
-
-int suspend_device(struct device * dev, pm_message_t state)
-{
- int error = 0;
-
- down(&dev->sem);
- if (dev->power.power_state.event) {
- dev_dbg(dev, "PM: suspend %d-->%d\n",
- dev->power.power_state.event, state.event);
- }
-
- if (dev->class && dev->class->suspend) {
- suspend_device_dbg(dev, state, "class ");
- error = dev->class->suspend(dev, state);
- suspend_report_result(dev->class->suspend, error);
- }
-
- if (!error && dev->type && dev->type->suspend) {
- suspend_device_dbg(dev, state, "type ");
- error = dev->type->suspend(dev, state);
- suspend_report_result(dev->type->suspend, error);
- }
-
- if (!error && dev->bus && dev->bus->suspend) {
- suspend_device_dbg(dev, state, "");
- error = dev->bus->suspend(dev, state);
- suspend_report_result(dev->bus->suspend, error);
- }
- up(&dev->sem);
- return error;
-}
-
-
-/*
- * This is called with interrupts off, only a single CPU
- * running. We can't acquire a mutex or semaphore (and we don't
- * need the protection)
- */
-static int suspend_device_late(struct device *dev, pm_message_t state)
-{
- int error = 0;
-
- if (dev->bus && dev->bus->suspend_late) {
- suspend_device_dbg(dev, state, "LATE ");
- error = dev->bus->suspend_late(dev, state);
- suspend_report_result(dev->bus->suspend_late, error);
- }
- return error;
-}
-
-/**
- * device_suspend - Save state and stop all devices in system.
- * @state: Power state to put each device in.
- *
- * Walk the dpm_active list, call ->suspend() for each device, and move
- * it to the dpm_off list.
- *
- * (For historical reasons, if it returns -EAGAIN, that used to mean
- * that the device would be called again with interrupts disabled.
- * These days, we use the "suspend_late()" callback for that, so we
- * print a warning and consider it an error).
- *
- * If we get a different error, try and back out.
- *
- * If we hit a failure with any of the devices, call device_resume()
- * above to bring the suspended devices back to life.
- *
- */
-
-int device_suspend(pm_message_t state)
-{
- int error = 0;
-
- might_sleep();
- mutex_lock(&dpm_mtx);
- mutex_lock(&dpm_list_mtx);
- while (!list_empty(&dpm_active) && error == 0) {
- struct list_head * entry = dpm_active.prev;
- struct device * dev = to_device(entry);
-
- get_device(dev);
- mutex_unlock(&dpm_list_mtx);
-
- error = suspend_device(dev, state);
-
- mutex_lock(&dpm_list_mtx);
-
- /* Check if the device got removed */
- if (!list_empty(&dev->power.entry)) {
- /* Move it to the dpm_off list */
- if (!error)
- list_move(&dev->power.entry, &dpm_off);
- }
- if (error)
- printk(KERN_ERR "Could not suspend device %s: "
- "error %d%s\n",
- kobject_name(&dev->kobj), error,
- error == -EAGAIN ? " (please convert to suspend_late)" : "");
- put_device(dev);
- }
- mutex_unlock(&dpm_list_mtx);
- if (error)
- dpm_resume();
-
- mutex_unlock(&dpm_mtx);
- return error;
-}
-
-EXPORT_SYMBOL_GPL(device_suspend);
-
-/**
- * device_power_down - Shut down special devices.
- * @state: Power state to enter.
- *
- * Walk the dpm_off_irq list, calling ->power_down() for each device that
- * couldn't power down the device with interrupts enabled. When we're
- * done, power down system devices.
- */
-
-int device_power_down(pm_message_t state)
-{
- int error = 0;
- struct device * dev;
-
- while (!list_empty(&dpm_off)) {
- struct list_head * entry = dpm_off.prev;
-
- dev = to_device(entry);
- error = suspend_device_late(dev, state);
- if (error)
- goto Error;
- list_move(&dev->power.entry, &dpm_off_irq);
- }
-
- error = sysdev_suspend(state);
- Done:
- return error;
- Error:
- printk(KERN_ERR "Could not power down device %s: "
- "error %d\n", kobject_name(&dev->kobj), error);
- dpm_power_up();
- goto Done;
-}
-
-EXPORT_SYMBOL_GPL(device_power_down);
-
-void __suspend_report_result(const char *function, void *fn, int ret)
-{
- if (ret) {
- printk(KERN_ERR "%s(): ", function);
- print_fn_descriptor_symbol("%s() returns ", (unsigned long)fn);
- printk("%d\n", ret);
- }
-}
-EXPORT_SYMBOL_GPL(__suspend_report_result);
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 18febe26caa..ac7ff6d0c6e 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -139,7 +139,7 @@ int sysdev_class_register(struct sysdev_class * cls)
kobject_name(&cls->kset.kobj));
INIT_LIST_HEAD(&cls->drivers);
cls->kset.kobj.parent = &system_subsys.kobj;
- kset_set_kset_s(cls, system_subsys);
+ cls->kset.kobj.kset = &system_subsys;
return kset_register(&cls->kset);
}
@@ -153,25 +153,22 @@ void sysdev_class_unregister(struct sysdev_class * cls)
EXPORT_SYMBOL_GPL(sysdev_class_register);
EXPORT_SYMBOL_GPL(sysdev_class_unregister);
-
-static LIST_HEAD(sysdev_drivers);
static DEFINE_MUTEX(sysdev_drivers_lock);
/**
* sysdev_driver_register - Register auxillary driver
- * @cls: Device class driver belongs to.
+ * @cls: Device class driver belongs to.
* @drv: Driver.
*
- * If @cls is valid, then @drv is inserted into @cls->drivers to be
+ * @drv is inserted into @cls->drivers to be
* called on each operation on devices of that class. The refcount
* of @cls is incremented.
- * Otherwise, @drv is inserted into sysdev_drivers, and called for
- * each device.
*/
-int sysdev_driver_register(struct sysdev_class * cls,
- struct sysdev_driver * drv)
+int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv)
{
+ int err = 0;
+
mutex_lock(&sysdev_drivers_lock);
if (cls && kset_get(&cls->kset)) {
list_add_tail(&drv->entry, &cls->drivers);
@@ -182,10 +179,13 @@ int sysdev_driver_register(struct sysdev_class * cls,
list_for_each_entry(dev, &cls->kset.list, kobj.entry)
drv->add(dev);
}
- } else
- list_add_tail(&drv->entry, &sysdev_drivers);
+ } else {
+ err = -EINVAL;
+ printk(KERN_ERR "%s: invalid device class\n", __FUNCTION__);
+ WARN_ON(1);
+ }
mutex_unlock(&sysdev_drivers_lock);
- return 0;
+ return err;
}
@@ -251,12 +251,6 @@ int sysdev_register(struct sys_device * sysdev)
* code that should have called us.
*/
- /* Notify global drivers */
- list_for_each_entry(drv, &sysdev_drivers, entry) {
- if (drv->add)
- drv->add(sysdev);
- }
-
/* Notify class auxillary drivers */
list_for_each_entry(drv, &cls->drivers, entry) {
if (drv->add)
@@ -272,11 +266,6 @@ void sysdev_unregister(struct sys_device * sysdev)
struct sysdev_driver * drv;
mutex_lock(&sysdev_drivers_lock);
- list_for_each_entry(drv, &sysdev_drivers, entry) {
- if (drv->remove)
- drv->remove(sysdev);
- }
-
list_for_each_entry(drv, &sysdev->cls->drivers, entry) {
if (drv->remove)
drv->remove(sysdev);
@@ -293,7 +282,7 @@ void sysdev_unregister(struct sys_device * sysdev)
*
* Loop over each class of system devices, and the devices in each
* of those classes. For each device, we call the shutdown method for
- * each driver registered for the device - the globals, the auxillaries,
+ * each driver registered for the device - the auxillaries,
* and the class driver.
*
* Note: The list is iterated in reverse order, so that we shut down
@@ -320,13 +309,7 @@ void sysdev_shutdown(void)
struct sysdev_driver * drv;
pr_debug(" %s\n", kobject_name(&sysdev->kobj));
- /* Call global drivers first. */
- list_for_each_entry(drv, &sysdev_drivers, entry) {
- if (drv->shutdown)
- drv->shutdown(sysdev);
- }
-
- /* Call auxillary drivers next. */
+ /* Call auxillary drivers first */
list_for_each_entry(drv, &cls->drivers, entry) {
if (drv->shutdown)
drv->shutdown(sysdev);
@@ -354,12 +337,6 @@ static void __sysdev_resume(struct sys_device *dev)
if (drv->resume)
drv->resume(dev);
}
-
- /* Call global drivers. */
- list_for_each_entry(drv, &sysdev_drivers, entry) {
- if (drv->resume)
- drv->resume(dev);
- }
}
/**
@@ -393,16 +370,7 @@ int sysdev_suspend(pm_message_t state)
list_for_each_entry(sysdev, &cls->kset.list, kobj.entry) {
pr_debug(" %s\n", kobject_name(&sysdev->kobj));
- /* Call global drivers first. */
- list_for_each_entry(drv, &sysdev_drivers, entry) {
- if (drv->suspend) {
- ret = drv->suspend(sysdev, state);
- if (ret)
- goto gbl_driver;
- }
- }
-
- /* Call auxillary drivers next. */
+ /* Call auxillary drivers first */
list_for_each_entry(drv, &cls->drivers, entry) {
if (drv->suspend) {
ret = drv->suspend(sysdev, state);
@@ -436,18 +404,7 @@ aux_driver:
if (err_drv->resume)
err_drv->resume(sysdev);
}
- drv = NULL;
-gbl_driver:
- if (drv)
- printk(KERN_ERR "sysdev driver suspend failed for %s\n",
- kobject_name(&sysdev->kobj));
- list_for_each_entry(err_drv, &sysdev_drivers, entry) {
- if (err_drv == drv)
- break;
- if (err_drv->resume)
- err_drv->resume(sysdev);
- }
/* resume other sysdevs in current class */
list_for_each_entry(err_dev, &cls->kset.list, kobj.entry) {
if (err_dev == sysdev)
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 9b8278e1f4f..acbfe1c49b4 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -513,7 +513,7 @@ static int __init dsp56k_init_driver(void)
err = PTR_ERR(dsp56k_class);
goto out_chrdev;
}
- class_device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), NULL, "dsp56k");
+ device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), "dsp56k");
printk(banner);
goto out;
@@ -527,7 +527,7 @@ module_init(dsp56k_init_driver);
static void __exit dsp56k_cleanup_driver(void)
{
- class_device_destroy(dsp56k_class, MKDEV(DSP56K_MAJOR, 0));
+ device_destroy(dsp56k_class, MKDEV(DSP56K_MAJOR, 0));
class_destroy(dsp56k_class);
unregister_chrdev(DSP56K_MAJOR, "dsp56k");
}
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 8d74b8745e6..bd94d5f9e62 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -411,8 +411,8 @@ cleanup_module(void)
iiResetDelay( i2BoardPtrTable[i] );
/* free io addresses and Tibet */
release_region( ip2config.addr[i], 8 );
- class_device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, 4 * i));
- class_device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, 4 * i + 1));
+ device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, 4 * i));
+ device_destroy(ip2_class, MKDEV(IP2_IPL_MAJOR, 4 * i + 1));
}
/* Disable and remove interrupt handler. */
if ( (ip2config.irq[i] > 0) && have_requested_irq(ip2config.irq[i]) ) {
@@ -718,12 +718,12 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize)
}
if ( NULL != ( pB = i2BoardPtrTable[i] ) ) {
- class_device_create(ip2_class, NULL,
+ device_create(ip2_class, NULL,
MKDEV(IP2_IPL_MAJOR, 4 * i),
- NULL, "ipl%d", i);
- class_device_create(ip2_class, NULL,
+ "ipl%d", i);
+ device_create(ip2_class, NULL,
MKDEV(IP2_IPL_MAJOR, 4 * i + 1),
- NULL, "stat%d", i);
+ "stat%d", i);
for ( box = 0; box < ABS_MAX_BOXES; ++box )
{
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index c2aa44ee6eb..0246a2b8ce4 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -865,7 +865,7 @@ static void ipmi_new_smi(int if_num, struct device *device)
entry->dev = dev;
mutex_lock(&reg_list_mutex);
- class_device_create(ipmi_class, NULL, dev, device, "ipmi%d", if_num);
+ device_create(ipmi_class, device, dev, "ipmi%d", if_num);
list_add(&entry->link, &reg_list);
mutex_unlock(&reg_list_mutex);
}
@@ -883,7 +883,7 @@ static void ipmi_smi_gone(int if_num)
break;
}
}
- class_device_destroy(ipmi_class, dev);
+ device_destroy(ipmi_class, dev);
mutex_unlock(&reg_list_mutex);
}
@@ -938,7 +938,7 @@ static __exit void cleanup_ipmi(void)
mutex_lock(&reg_list_mutex);
list_for_each_entry_safe(entry, entry2, &reg_list, link) {
list_del(&entry->link);
- class_device_destroy(ipmi_class, entry->dev);
+ device_destroy(ipmi_class, entry->dev);
kfree(entry);
}
mutex_unlock(&reg_list_mutex);
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 3c66f402f9d..1f27be1ec3d 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -4624,9 +4624,8 @@ static int __init istallion_module_init(void)
istallion_class = class_create(THIS_MODULE, "staliomem");
for (i = 0; i < 4; i++)
- class_device_create(istallion_class, NULL,
- MKDEV(STL_SIOMEMMAJOR, i),
- NULL, "staliomem%d", i);
+ device_create(istallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i),
+ "staliomem%d", i);
return 0;
err_deinit:
@@ -4659,8 +4658,7 @@ static void __exit istallion_module_exit(void)
unregister_chrdev(STL_SIOMEMMAJOR, "staliomem");
for (j = 0; j < 4; j++)
- class_device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR,
- j));
+ device_destroy(istallion_class, MKDEV(STL_SIOMEMMAJOR, j));
class_destroy(istallion_class);
pci_unregister_driver(&stli_pcidriver);
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 62051f8b091..c59e2a0996c 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -799,8 +799,7 @@ static int lp_register(int nr, struct parport *port)
if (reset)
lp_reset(nr);
- class_device_create(lp_class, NULL, MKDEV(LP_MAJOR, nr), port->dev,
- "lp%d", nr);
+ device_create(lp_class, port->dev, MKDEV(LP_MAJOR, nr), "lp%d", nr);
printk(KERN_INFO "lp%d: using %s (%s).\n", nr, port->name,
(port->irq == PARPORT_IRQ_NONE)?"polling":"interrupt-driven");
@@ -971,7 +970,7 @@ static void lp_cleanup_module (void)
if (lp_table[offset].dev == NULL)
continue;
parport_unregister_device(lp_table[offset].dev);
- class_device_destroy(lp_class, MKDEV(LP_MAJOR, offset));
+ device_destroy(lp_class, MKDEV(LP_MAJOR, offset));
}
class_destroy(lp_class);
}
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 4177f6db83e..cc5d77797de 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1863,8 +1863,7 @@ static int cm4000_probe(struct pcmcia_device *link)
return ret;
}
- class_device_create(cmm_class, NULL, MKDEV(major, i), NULL,
- "cmm%d", i);
+ device_create(cmm_class, NULL, MKDEV(major, i), "cmm%d", i);
return 0;
}
@@ -1888,7 +1887,7 @@ static void cm4000_detach(struct pcmcia_device *link)
dev_table[devno] = NULL;
kfree(dev);
- class_device_destroy(cmm_class, MKDEV(major, devno));
+ device_destroy(cmm_class, MKDEV(major, devno));
return;
}
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index b24a3e7bbb9..a0b9c8728d5 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -642,8 +642,7 @@ static int reader_probe(struct pcmcia_device *link)
return ret;
}
- class_device_create(cmx_class, NULL, MKDEV(major, i), NULL,
- "cmx%d", i);
+ device_create(cmx_class, NULL, MKDEV(major, i), "cmx%d", i);
return 0;
}
@@ -666,7 +665,7 @@ static void reader_detach(struct pcmcia_device *link)
dev_table[devno] = NULL;
kfree(dev);
- class_device_destroy(cmx_class, MKDEV(major, devno));
+ device_destroy(cmx_class, MKDEV(major, devno));
return;
}
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index de14aea34e1..73de77105fe 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -248,14 +248,19 @@ static int pty_bsd_ioctl(struct tty_struct *tty, struct file *file,
return -ENOIOCTLCMD;
}
+static int legacy_count = CONFIG_LEGACY_PTY_COUNT;
+module_param(legacy_count, int, 0);
+
static void __init legacy_pty_init(void)
{
+ if (legacy_count <= 0)
+ return;
- pty_driver = alloc_tty_driver(NR_PTYS);
+ pty_driver = alloc_tty_driver(legacy_count);
if (!pty_driver)
panic("Couldn't allocate pty driver");
- pty_slave_driver = alloc_tty_driver(NR_PTYS);
+ pty_slave_driver = alloc_tty_driver(legacy_count);
if (!pty_slave_driver)
panic("Couldn't allocate pty slave driver");
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 1f0d7c60c94..bbfa0e241cb 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -255,10 +255,7 @@ static const struct file_operations raw_ctl_fops = {
.owner = THIS_MODULE,
};
-static struct cdev raw_cdev = {
- .kobj = {.name = "raw", },
- .owner = THIS_MODULE,
-};
+static struct cdev raw_cdev;
static int __init raw_init(void)
{
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index 52753e723ea..b9c1dba6bd0 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -441,8 +441,7 @@ scdrv_init(void)
continue;
}
- class_device_create(snsc_class, NULL, dev, NULL,
- "%s", devname);
+ device_create(snsc_class, NULL, dev, "%s", devname);
ia64_sn_irtr_intr_enable(scd->scd_nasid,
0 /*ignored */ ,
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 4a80b2f864e..45758d5b56e 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -4778,9 +4778,8 @@ static int __init stallion_module_init(void)
if (IS_ERR(stallion_class))
printk("STALLION: failed to create class\n");
for (i = 0; i < 4; i++)
- class_device_create(stallion_class, NULL,
- MKDEV(STL_SIOMEMMAJOR, i), NULL,
- "staliomem%d", i);
+ device_create(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i),
+ "staliomem%d", i);
return 0;
err_unrtty:
@@ -4816,7 +4815,7 @@ static void __exit stallion_module_exit(void)
}
for (i = 0; i < 4; i++)
- class_device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i));
+ device_destroy(stallion_class, MKDEV(STL_SIOMEMMAJOR, i));
unregister_chrdev(STL_SIOMEMMAJOR, "staliomem");
class_destroy(stallion_class);
diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c
index 35b40b99653..cef55c40654 100644
--- a/drivers/char/tipar.c
+++ b/drivers/char/tipar.c
@@ -441,8 +441,8 @@ tipar_register(int nr, struct parport *port)
goto out;
}
- class_device_create(tipar_class, NULL, MKDEV(TIPAR_MAJOR,
- TIPAR_MINOR + nr), port->dev, "par%d", nr);
+ device_create(tipar_class, port->dev, MKDEV(TIPAR_MAJOR,
+ TIPAR_MINOR + nr), "par%d", nr);
/* Display informations */
pr_info("tipar%d: using %s (%s)\n", nr, port->name, (port->irq ==
@@ -534,7 +534,7 @@ tipar_cleanup_module(void)
if (table[i].dev == NULL)
continue;
parport_unregister_device(table[i].dev);
- class_device_destroy(tipar_class, MKDEV(TIPAR_MAJOR, i));
+ device_destroy(tipar_class, MKDEV(TIPAR_MAJOR, i));
}
class_destroy(tipar_class);
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index f1d60f0cef8..db7a731e236 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -871,10 +871,10 @@ static int viotape_probe(struct vio_dev *vdev, const struct vio_device_id *id)
state[i].cur_part = 0;
for (j = 0; j < MAX_PARTITIONS; ++j)
state[i].part_stat_rwi[j] = VIOT_IDLE;
- class_device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i), NULL,
+ device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i),
"iseries!vt%d", i);
- class_device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i | 0x80),
- NULL, "iseries!nvt%d", i);
+ device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i | 0x80),
+ "iseries!nvt%d", i);
printk(VIOTAPE_KERN_INFO "tape iseries/vt%d is iSeries "
"resource %10.10s type %4.4s, model %3.3s\n",
i, viotape_unitinfo[i].rsrcname,
@@ -886,8 +886,8 @@ static int viotape_remove(struct vio_dev *vdev)
{
int i = vdev->unit_address;
- class_device_destroy(tape_class, MKDEV(VIOTAPE_MAJOR, i | 0x80));
- class_device_destroy(tape_class, MKDEV(VIOTAPE_MAJOR, i));
+ device_destroy(tape_class, MKDEV(VIOTAPE_MAJOR, i | 0x80));
+ device_destroy(tape_class, MKDEV(VIOTAPE_MAJOR, i));
return 0;
}
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index f7b9d6fce12..5e626b12b97 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -830,7 +830,7 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
/* prepare interface data */
policy->kobj.parent = &sys_dev->kobj;
policy->kobj.ktype = &ktype_cpufreq;
- strlcpy(policy->kobj.name, "cpufreq", KOBJ_NAME_LEN);
+ kobject_set_name(&policy->kobj, "cpufreq");
ret = kobject_register(&policy->kobj);
if (ret) {
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 4a0576bd06f..3706b2bc098 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -743,7 +743,7 @@ static struct kobj_type ktype_mc_set_attribs = {
* /sys/devices/system/edac/mc
*/
static struct kset mc_kset = {
- .kobj = {.name = "mc", .ktype = &ktype_mc_set_attribs },
+ .kobj = {.ktype = &ktype_mc_set_attribs },
.ktype = &ktype_mci,
};
@@ -1010,6 +1010,7 @@ int edac_sysfs_setup_mc_kset(void)
}
/* Init the MC's kobject */
+ kobject_set_name(&mc_kset.kobj, "mc");
mc_kset.kobj.parent = &edac_class->kset.kobj;
/* register the mc_kset */
diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c
index d944647c82c..4d4a4739390 100644
--- a/drivers/eisa/eisa-bus.c
+++ b/drivers/eisa/eisa-bus.c
@@ -128,16 +128,11 @@ static int eisa_bus_match (struct device *dev, struct device_driver *drv)
return 0;
}
-static int eisa_bus_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int eisa_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct eisa_device *edev = to_eisa_device(dev);
- int i = 0;
- int length = 0;
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
- "MODALIAS=" EISA_DEVICE_MODALIAS_FMT, edev->id.sig);
- envp[i] = NULL;
+ add_uevent_var(env, "MODALIAS=" EISA_DEVICE_MODALIAS_FMT, edev->id.sig);
return 0;
}
diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c
index 2b658634163..56681b3b297 100644
--- a/drivers/firewire/fw-device.c
+++ b/drivers/firewire/fw-device.c
@@ -130,23 +130,16 @@ static int get_modalias(struct fw_unit *unit, char *buffer, size_t buffer_size)
}
static int
-fw_unit_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct fw_unit *unit = fw_unit(dev);
char modalias[64];
- int length = 0;
- int i = 0;
get_modalias(unit, modalias, sizeof(modalias));
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MODALIAS=%s", modalias))
+ if (add_uevent_var(env, "MODALIAS=%s", modalias))
return -ENOMEM;
- envp[i] = NULL;
-
return 0;
}
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
index 59c3b5aa89f..b6e1eb77d14 100644
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -13,21 +13,31 @@
#include <linux/device.h>
#include <linux/autoconf.h>
-#define DEFINE_DMI_ATTR(_name, _mode, _show) \
-static struct device_attribute sys_dmi_##_name##_attr = \
- __ATTR(_name, _mode, _show, NULL);
-
-#define DEFINE_DMI_ATTR_WITH_SHOW(_name, _mode, _field) \
-static ssize_t sys_dmi_##_name##_show(struct device *dev, \
- struct device_attribute *attr, \
- char *page) \
-{ \
- ssize_t len; \
- len = scnprintf(page, PAGE_SIZE, "%s\n", dmi_get_system_info(_field)); \
- page[len-1] = '\n'; \
- return len; \
-} \
-DEFINE_DMI_ATTR(_name, _mode, sys_dmi_##_name##_show);
+struct dmi_device_attribute{
+ struct device_attribute dev_attr;
+ int field;
+};
+#define to_dmi_dev_attr(_dev_attr) \
+ container_of(_dev_attr, struct dmi_device_attribute, dev_attr)
+
+static ssize_t sys_dmi_field_show(struct device *dev,
+ struct device_attribute *attr,
+ char *page)
+{
+ int field = to_dmi_dev_attr(attr)->field;
+ ssize_t len;
+ len = scnprintf(page, PAGE_SIZE, "%s\n", dmi_get_system_info(field));
+ page[len-1] = '\n';
+ return len;
+}
+
+#define DMI_ATTR(_name, _mode, _show, _field) \
+ { .dev_attr = __ATTR(_name, _mode, _show, NULL), \
+ .field = _field }
+
+#define DEFINE_DMI_ATTR_WITH_SHOW(_name, _mode, _field) \
+static struct dmi_device_attribute sys_dmi_##_name##_attr = \
+ DMI_ATTR(_name, _mode, sys_dmi_field_show, _field);
DEFINE_DMI_ATTR_WITH_SHOW(bios_vendor, 0444, DMI_BIOS_VENDOR);
DEFINE_DMI_ATTR_WITH_SHOW(bios_version, 0444, DMI_BIOS_VERSION);
@@ -121,7 +131,8 @@ static ssize_t sys_dmi_modalias_show(struct device *dev,
return r+1;
}
-DEFINE_DMI_ATTR(modalias, 0444, sys_dmi_modalias_show);
+static struct device_attribute sys_dmi_modalias_attr =
+ __ATTR(modalias, 0444, sys_dmi_modalias_show, NULL);
static struct attribute *sys_dmi_attributes[DMI_STRING_MAX+2];
@@ -134,14 +145,17 @@ static struct attribute_group* sys_dmi_attribute_groups[] = {
NULL
};
-static int dmi_dev_uevent(struct device *dev, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int dmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
{
- strcpy(buffer, "MODALIAS=");
- get_modalias(buffer+9, buffer_size-9);
- envp[0] = buffer;
- envp[1] = NULL;
-
+ ssize_t len;
+
+ if (add_uevent_var(env, "MODALIAS="))
+ return -ENOMEM;
+ len = get_modalias(&env->buf[env->buflen - 1],
+ sizeof(env->buf) - env->buflen);
+ if (len >= (sizeof(env->buf) - env->buflen))
+ return -ENOMEM;
+ env->buflen += len;
return 0;
}
@@ -157,7 +171,7 @@ static struct device *dmi_dev;
#define ADD_DMI_ATTR(_name, _field) \
if (dmi_get_system_info(_field)) \
- sys_dmi_attributes[i++] = & sys_dmi_##_name##_attr.attr;
+ sys_dmi_attributes[i++] = &sys_dmi_##_name##_attr.dev_attr.attr;
extern int dmi_available;
diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index 0fb730ee1da..6942e065e60 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -625,13 +625,13 @@ static void edd_release(struct kobject * kobj)
kfree(dev);
}
-static struct kobj_type ktype_edd = {
+static struct kobj_type edd_ktype = {
.release = edd_release,
.sysfs_ops = &edd_attr_ops,
.default_attrs = def_attrs,
};
-static decl_subsys(edd,&ktype_edd,NULL);
+static decl_subsys(edd, &edd_ktype, NULL);
/**
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index bfd2d67df68..858a7b95933 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -402,7 +402,7 @@ static struct attribute *def_attrs[] = {
NULL,
};
-static struct kobj_type ktype_efivar = {
+static struct kobj_type efivar_ktype = {
.release = efivar_release,
.sysfs_ops = &efivar_attr_ops,
.default_attrs = def_attrs,
@@ -583,7 +583,7 @@ static struct subsys_attribute *efi_subsys_attrs[] = {
NULL, /* maybe more in the future? */
};
-static decl_subsys(vars, &ktype_efivar, NULL);
+static decl_subsys(vars, &efivar_ktype, NULL);
static decl_subsys(efi, NULL, NULL);
/*
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index d663e6960d9..910a62de190 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -67,20 +67,16 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv)
#ifdef CONFIG_HOTPLUG
/* uevent helps with hotplug: modprobe -q $(MODALIAS) */
-static int i2c_device_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int i2c_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct i2c_client *client = to_i2c_client(dev);
- int i = 0, length = 0;
/* by definition, legacy drivers can't hotplug */
if (dev->driver || !client->driver_name)
return 0;
- if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
- "MODALIAS=%s", client->driver_name))
+ if (add_uevent_var(env, "MODALIAS=%s", client->driver_name))
return -ENOMEM;
- envp[i] = NULL;
dev_dbg(dev, "uevent\n");
return 0;
}
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index e96212ce572..a96a8b1b353 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1663,20 +1663,13 @@ static struct device_attribute ide_dev_attrs[] = {
__ATTR_NULL
};
-static int ide_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int ide_uevent(struct device *dev, struct kobj_uevent_env *env)
{
ide_drive_t *drive = to_ide_device(dev);
- int i = 0;
- int length = 0;
-
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
- "MEDIA=%s", media_string(drive));
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
- "DRIVENAME=%s", drive->name);
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
- "MODALIAS=ide:m-%s", media_string(drive));
- envp[i] = NULL;
+
+ add_uevent_var(env, "MEDIA=%s", media_string(drive));
+ add_uevent_var(env, "DRIVENAME=%s", drive->name);
+ add_uevent_var(env, "MODALIAS=ide:m-%s", media_string(drive));
return 0;
}
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index 2ffd53461db..1939fee616e 100644
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -153,8 +153,7 @@ struct host_info {
};
static int nodemgr_bus_match(struct device * dev, struct device_driver * drv);
-static int nodemgr_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size);
+static int nodemgr_uevent(struct device *dev, struct kobj_uevent_env *env);
static void nodemgr_resume_ne(struct node_entry *ne);
static void nodemgr_remove_ne(struct node_entry *ne);
static struct node_entry *find_entry_by_guid(u64 guid);
@@ -1160,12 +1159,9 @@ static void nodemgr_process_root_directory(struct host_info *hi, struct node_ent
#ifdef CONFIG_HOTPLUG
-static int nodemgr_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int nodemgr_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct unit_directory *ud;
- int i = 0;
- int length = 0;
int retval = 0;
/* ieee1394:venNmoNspNverN */
char buf[8 + 1 + 3 + 8 + 2 + 8 + 2 + 8 + 3 + 8 + 1];
@@ -1180,9 +1176,7 @@ static int nodemgr_uevent(struct device *dev, char **envp, int num_envp,
#define PUT_ENVP(fmt,val) \
do { \
- retval = add_uevent_var(envp, num_envp, &i, \
- buffer, buffer_size, &length, \
- fmt, val); \
+ retval = add_uevent_var(env, fmt, val); \
if (retval) \
return retval; \
} while (0)
@@ -1201,15 +1195,12 @@ do { \
#undef PUT_ENVP
- envp[i] = NULL;
-
return 0;
}
#else
-static int nodemgr_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int nodemgr_uevent(struct device *dev, struct kobj_uevent_env *env)
{
return -ENODEV;
}
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 70b77ae6742..3d405068132 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -434,21 +434,18 @@ static void ib_device_release(struct class_device *cdev)
kfree(dev);
}
-static int ib_device_uevent(struct class_device *cdev, char **envp,
- int num_envp, char *buf, int size)
+static int ib_device_uevent(struct class_device *cdev,
+ struct kobj_uevent_env *env)
{
struct ib_device *dev = container_of(cdev, struct ib_device, class_dev);
- int i = 0, len = 0;
- if (add_uevent_var(envp, num_envp, &i, buf, size, &len,
- "NAME=%s", dev->name))
+ if (add_uevent_var(env, "NAME=%s", dev->name))
return -ENOMEM;
/*
* It would be nice to pass the node GUID with the event...
*/
- envp[i] = NULL;
return 0;
}
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 5fe75558662..5dc361c954e 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -859,87 +859,66 @@ static void input_dev_release(struct device *device)
* Input uevent interface - loading event handlers based on
* device bitfields.
*/
-static int input_add_uevent_bm_var(char **envp, int num_envp, int *cur_index,
- char *buffer, int buffer_size, int *cur_len,
+static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
const char *name, unsigned long *bitmap, int max)
{
- if (*cur_index >= num_envp - 1)
- return -ENOMEM;
-
- envp[*cur_index] = buffer + *cur_len;
+ int len;
- *cur_len += snprintf(buffer + *cur_len, max(buffer_size - *cur_len, 0), name);
- if (*cur_len >= buffer_size)
+ if (add_uevent_var(env, "%s=", name))
return -ENOMEM;
- *cur_len += input_print_bitmap(buffer + *cur_len,
- max(buffer_size - *cur_len, 0),
- bitmap, max, 0) + 1;
- if (*cur_len > buffer_size)
+ len = input_print_bitmap(&env->buf[env->buflen - 1],
+ sizeof(env->buf) - env->buflen,
+ bitmap, max, 0);
+ if (len >= (sizeof(env->buf) - env->buflen))
return -ENOMEM;
- (*cur_index)++;
+ env->buflen += len;
return 0;
}
-static int input_add_uevent_modalias_var(char **envp, int num_envp, int *cur_index,
- char *buffer, int buffer_size, int *cur_len,
+static int input_add_uevent_modalias_var(struct kobj_uevent_env *env,
struct input_dev *dev)
{
- if (*cur_index >= num_envp - 1)
- return -ENOMEM;
-
- envp[*cur_index] = buffer + *cur_len;
+ int len;
- *cur_len += snprintf(buffer + *cur_len, max(buffer_size - *cur_len, 0),
- "MODALIAS=");
- if (*cur_len >= buffer_size)
+ if (add_uevent_var(env, "MODALIAS="))
return -ENOMEM;
- *cur_len += input_print_modalias(buffer + *cur_len,
- max(buffer_size - *cur_len, 0),
- dev, 0) + 1;
- if (*cur_len > buffer_size)
+ len = input_print_modalias(&env->buf[env->buflen - 1],
+ sizeof(env->buf) - env->buflen,
+ dev, 0);
+ if (len >= (sizeof(env->buf) - env->buflen))
return -ENOMEM;
- (*cur_index)++;
+ env->buflen += len;
return 0;
}
#define INPUT_ADD_HOTPLUG_VAR(fmt, val...) \
do { \
- int err = add_uevent_var(envp, num_envp, &i, \
- buffer, buffer_size, &len, \
- fmt, val); \
+ int err = add_uevent_var(env, fmt, val); \
if (err) \
return err; \
} while (0)
#define INPUT_ADD_HOTPLUG_BM_VAR(name, bm, max) \
do { \
- int err = input_add_uevent_bm_var(envp, num_envp, &i, \
- buffer, buffer_size, &len, \
- name, bm, max); \
+ int err = input_add_uevent_bm_var(env, name, bm, max); \
if (err) \
return err; \
} while (0)
#define INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev) \
do { \
- int err = input_add_uevent_modalias_var(envp, \
- num_envp, &i, \
- buffer, buffer_size, &len, \
- dev); \
+ int err = input_add_uevent_modalias_var(env, dev); \
if (err) \
return err; \
} while (0)
-static int input_dev_uevent(struct device *device, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
{
struct input_dev *dev = to_input_dev(device);
- int i = 0;
- int len = 0;
INPUT_ADD_HOTPLUG_VAR("PRODUCT=%x/%x/%x/%x",
dev->id.bustype, dev->id.vendor,
@@ -971,7 +950,6 @@ static int input_dev_uevent(struct device *device, char **envp,
INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev);
- envp[i] = NULL;
return 0;
}
diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index 4e2ca6f0ab1..c19f77fbaf2 100644
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -22,6 +22,7 @@
MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("PC Speaker beeper driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcspkr");
#ifdef CONFIG_X86
/* Use the global PIT lock ! */
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 372ca493119..b3bc15acd3f 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -876,18 +876,14 @@ static int serio_bus_match(struct device *dev, struct device_driver *drv)
#define SERIO_ADD_UEVENT_VAR(fmt, val...) \
do { \
- int err = add_uevent_var(envp, num_envp, &i, \
- buffer, buffer_size, &len, \
- fmt, val); \
+ int err = add_uevent_var(env, fmt, val); \
if (err) \
return err; \
} while (0)
-static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
+static int serio_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct serio *serio;
- int i = 0;
- int len = 0;
if (!dev)
return -ENODEV;
@@ -900,7 +896,6 @@ static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buf
SERIO_ADD_UEVENT_VAR("SERIO_EXTRA=%02x", serio->id.extra);
SERIO_ADD_UEVENT_VAR("MODALIAS=serio:ty%02Xpr%02Xid%02Xex%02X",
serio->id.type, serio->id.proto, serio->id.id, serio->id.extra);
- envp[i] = NULL;
return 0;
}
@@ -908,7 +903,7 @@ static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buf
#else
-static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
+static int serio_uevent(struct device *dev, struct kobj_uevent_env *env)
{
return -ENODEV;
}
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e8f102ea9b0..acf1b81b47c 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3076,8 +3076,7 @@ static struct kobject *md_probe(dev_t dev, int *part, void *data)
mddev->gendisk = disk;
mutex_unlock(&disks_mutex);
mddev->kobj.parent = &disk->kobj;
- mddev->kobj.k_name = NULL;
- snprintf(mddev->kobj.name, KOBJ_NAME_LEN, "%s", "md");
+ kobject_set_name(&mddev->kobj, "%s", "md");
mddev->kobj.ktype = &md_ktype;
if (kobject_register(&mddev->kobj))
printk(KERN_WARNING "md: cannot register %s/md - name in use\n",
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 56231d8edc0..18738faecbb 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -103,10 +103,7 @@ static struct file_operations dvb_device_fops =
.open = dvb_device_open,
};
-static struct cdev dvb_device_cdev = {
- .kobj = {.name = "dvb", },
- .owner = THIS_MODULE,
-};
+static struct cdev dvb_device_cdev;
int dvb_generic_open(struct inode *inode, struct file *file)
{
diff --git a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
index 7a78d6b3473..2ee3c3049e8 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-sysfs.c
@@ -905,8 +905,8 @@ struct pvr2_sysfs *pvr2_sysfs_create(struct pvr2_context *mp,
}
-static int pvr2_sysfs_hotplug(struct device *cd,char **envp,
- int numenvp,char *buf,int size)
+static int pvr2_sysfs_hotplug(struct device *d,
+ struct kobj_uevent_env *env)
{
/* Even though we don't do anything here, we still need this function
because sysfs will still try to call it. */
diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
index d195fb088f4..8f77949f93d 100644
--- a/drivers/misc/tifm_core.c
+++ b/drivers/misc/tifm_core.c
@@ -57,16 +57,11 @@ static int tifm_bus_match(struct device *dev, struct device_driver *drv)
return 0;
}
-static int tifm_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int tifm_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
- int i = 0;
- int length = 0;
- if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
- "TIFM_CARD_TYPE=%s",
- tifm_media_type_name(sock->type, 1)))
+ if (add_uevent_var(env, "TIFM_CARD_TYPE=%s", tifm_media_type_name(sock->type, 1)))
return -ENOMEM;
return 0;
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 8d6f6014870..b0c22cad942 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -58,12 +58,11 @@ static int mmc_bus_match(struct device *dev, struct device_driver *drv)
}
static int
-mmc_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf,
- int buf_size)
+mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct mmc_card *card = dev_to_mmc_card(dev);
const char *type;
- int i = 0, length = 0;
+ int retval = 0;
switch (card->type) {
case MMC_TYPE_MMC:
@@ -80,20 +79,14 @@ mmc_bus_uevent(struct device *dev, char **envp, int num_envp, char *buf,
}
if (type) {
- if (add_uevent_var(envp, num_envp, &i,
- buf, buf_size, &length,
- "MMC_TYPE=%s", type))
- return -ENOMEM;
+ retval = add_uevent_var(env, "MMC_TYPE=%s", type);
+ if (retval)
+ return retval;
}
- if (add_uevent_var(envp, num_envp, &i,
- buf, buf_size, &length,
- "MMC_NAME=%s", mmc_card_name(card)))
- return -ENOMEM;
+ retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
- envp[i] = NULL;
-
- return 0;
+ return retval;
}
static int mmc_bus_probe(struct device *dev)
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 4ac161e1ca1..7d7758f3ad8 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -1183,7 +1183,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_
pool_count[i], pool_size[i],
pool_active[i]);
kobj->parent = &dev->dev.kobj;
- sprintf(kobj->name, "pool%d", i);
+ kobject_set_name(kobj, "pool%d", i);
kobj->ktype = &ktype_veth_pool;
kobject_register(kobj);
}
diff --git a/drivers/pci/hotplug.c b/drivers/pci/hotplug.c
index 1c97e7dd130..2b5352a7dff 100644
--- a/drivers/pci/hotplug.c
+++ b/drivers/pci/hotplug.c
@@ -3,12 +3,9 @@
#include <linux/module.h>
#include "pci.h"
-int pci_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct pci_dev *pdev;
- int i = 0;
- int length = 0;
if (!dev)
return -ENODEV;
@@ -17,37 +14,24 @@ int pci_uevent(struct device *dev, char **envp, int num_envp,
if (!pdev)
return -ENODEV;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PCI_CLASS=%04X", pdev->class))
+ if (add_uevent_var(env, "PCI_CLASS=%04X", pdev->class))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
+ if (add_uevent_var(env, "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
+ if (add_uevent_var(env, "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
pdev->subsystem_device))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PCI_SLOT_NAME=%s", pci_name(pdev)))
+ if (add_uevent_var(env, "PCI_SLOT_NAME=%s", pci_name(pdev)))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
+ if (add_uevent_var(env, "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
pdev->vendor, pdev->device,
pdev->subsystem_vendor, pdev->subsystem_device,
(u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
(u8)(pdev->class)))
return -ENOMEM;
-
- envp[i] = NULL;
-
return 0;
}
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index bd433ef6bfc..f0eba534f80 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -694,66 +694,6 @@ int __must_check pci_hp_change_slot_info(struct hotplug_slot *slot,
if ((slot == NULL) || (info == NULL))
return -ENODEV;
- /*
- * check all fields in the info structure, and update timestamps
- * for the files referring to the fields that have now changed.
- */
- if ((has_power_file(slot) == 0) &&
- (slot->info->power_status != info->power_status)) {
- retval = sysfs_update_file(&slot->kobj,
- &hotplug_slot_attr_power.attr);
- if (retval)
- return retval;
- }
-
- if ((has_attention_file(slot) == 0) &&
- (slot->info->attention_status != info->attention_status)) {
- retval = sysfs_update_file(&slot->kobj,
- &hotplug_slot_attr_attention.attr);
- if (retval)
- return retval;
- }
-
- if ((has_latch_file(slot) == 0) &&
- (slot->info->latch_status != info->latch_status)) {
- retval = sysfs_update_file(&slot->kobj,
- &hotplug_slot_attr_latch.attr);
- if (retval)
- return retval;
- }
-
- if ((has_adapter_file(slot) == 0) &&
- (slot->info->adapter_status != info->adapter_status)) {
- retval = sysfs_update_file(&slot->kobj,
- &hotplug_slot_attr_presence.attr);
- if (retval)
- return retval;
- }
-
- if ((has_address_file(slot) == 0) &&
- (slot->info->address != info->address)) {
- retval = sysfs_update_file(&slot->kobj,
- &hotplug_slot_attr_address.attr);
- if (retval)
- return retval;
- }
-
- if ((has_max_bus_speed_file(slot) == 0) &&
- (slot->info->max_bus_speed != info->max_bus_speed)) {
- retval = sysfs_update_file(&slot->kobj,
- &hotplug_slot_attr_max_bus_speed.attr);
- if (retval)
- return retval;
- }
-
- if ((has_cur_bus_speed_file(slot) == 0) &&
- (slot->info->cur_bus_speed != info->cur_bus_speed)) {
- retval = sysfs_update_file(&slot->kobj,
- &hotplug_slot_attr_cur_bus_speed.attr);
- if (retval)
- return retval;
- }
-
memcpy (slot->info, info, sizeof (struct hotplug_slot_info));
return 0;
diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c
index df076064a3e..a080fedf033 100644
--- a/drivers/pci/hotplug/rpadlpar_sysfs.c
+++ b/drivers/pci/hotplug/rpadlpar_sysfs.c
@@ -129,17 +129,17 @@ struct kobj_type ktype_dlpar_io = {
};
struct kset dlpar_io_kset = {
- .kobj = {.name = DLPAR_KOBJ_NAME,
- .ktype = &ktype_dlpar_io,
+ .kobj = {.ktype = &ktype_dlpar_io,
.parent = &pci_hotplug_slots_subsys.kobj},
.ktype = &ktype_dlpar_io,
};
int dlpar_sysfs_init(void)
{
+ kobject_set_name(&dlpar_io_kset.kobj, DLPAR_KOBJ_NAME);
if (kset_register(&dlpar_io_kset)) {
printk(KERN_ERR "rpadlpar_io: cannot register kset for %s\n",
- dlpar_io_kset.kobj.name);
+ kobject_name(&dlpar_io_kset.kobj));
return -EINVAL;
}
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 004bc248727..f61be3abfdc 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -532,8 +532,7 @@ void pci_dev_put(struct pci_dev *dev)
}
#ifndef CONFIG_HOTPLUG
-int pci_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
{
return -ENODEV;
}
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 4c36e80f6d2..b3a7d5b0f93 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -1,7 +1,6 @@
/* Functions internal to the PCI core code */
-extern int pci_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size);
+extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
extern void pci_cleanup_rom(struct pci_dev *dev);
diff --git a/drivers/pci/setup-irq.c b/drivers/pci/setup-irq.c
index 568f1877315..05ca2ed9eb5 100644
--- a/drivers/pci/setup-irq.c
+++ b/drivers/pci/setup-irq.c
@@ -48,7 +48,7 @@ pdev_fixup_irq(struct pci_dev *dev,
dev->irq = irq;
pr_debug("PCI: fixup irq: (%s) got %d\n",
- dev->dev.kobj.name, dev->irq);
+ kobject_name(&dev->dev.kobj), dev->irq);
/* Always tell the device, so the driver knows what is
the real IRQ to use; the device does not use it. */
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index f8b13f0270d..a0aca46ce87 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -907,18 +907,14 @@ int pcmcia_insert_card(struct pcmcia_socket *skt)
EXPORT_SYMBOL(pcmcia_insert_card);
-static int pcmcia_socket_uevent(struct device *dev, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int pcmcia_socket_uevent(struct device *dev,
+ struct kobj_uevent_env *env)
{
struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev);
- int i = 0, length = 0;
- if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "SOCKET_NO=%u", s->sock))
+ if (add_uevent_var(env, "SOCKET_NO=%u", s->sock))
return -ENOMEM;
- envp[i] = NULL;
-
return 0;
}
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index a99607142fc..55baa1f0fcb 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -1064,11 +1064,10 @@ static int pcmcia_bus_match(struct device * dev, struct device_driver * drv) {
#ifdef CONFIG_HOTPLUG
-static int pcmcia_bus_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct pcmcia_device *p_dev;
- int i, length = 0;
+ int i;
u32 hash[4] = { 0, 0, 0, 0};
if (!dev)
@@ -1083,23 +1082,13 @@ static int pcmcia_bus_uevent(struct device *dev, char **envp, int num_envp,
hash[i] = crc32(0, p_dev->prod_id[i], strlen(p_dev->prod_id[i]));
}
- i = 0;
-
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "SOCKET_NO=%u",
- p_dev->socket->sock))
+ if (add_uevent_var(env, "SOCKET_NO=%u", p_dev->socket->sock))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "DEVICE_NO=%02X",
- p_dev->device_no))
+ if (add_uevent_var(env, "DEVICE_NO=%02X", p_dev->device_no))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MODALIAS=pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X"
+ if (add_uevent_var(env, "MODALIAS=pcmcia:m%04Xc%04Xf%02Xfn%02Xpfn%02X"
"pa%08Xpb%08Xpc%08Xpd%08X",
p_dev->has_manf_id ? p_dev->manf_id : 0,
p_dev->has_card_id ? p_dev->card_id : 0,
@@ -1112,15 +1101,12 @@ static int pcmcia_bus_uevent(struct device *dev, char **envp, int num_envp,
hash[3]))
return -ENOMEM;
- envp[i] = NULL;
-
return 0;
}
#else
-static int pcmcia_bus_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
return -ENODEV;
}
diff --git a/drivers/pcmcia/pxa2xx_mainstone.c b/drivers/pcmcia/pxa2xx_mainstone.c
index 383107ba4bd..f6722ba0dd1 100644
--- a/drivers/pcmcia/pxa2xx_mainstone.c
+++ b/drivers/pcmcia/pxa2xx_mainstone.c
@@ -175,7 +175,6 @@ static int __init mst_pcmcia_init(void)
if (!mst_pcmcia_device)
return -ENOMEM;
- mst_pcmcia_device->dev.uevent_suppress = 0;
mst_pcmcia_device->dev.platform_data = &mst_pcmcia_ops;
ret = platform_device_add(mst_pcmcia_device);
@@ -195,3 +194,4 @@ fs_initcall(mst_pcmcia_init);
module_exit(mst_pcmcia_exit);
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pxa2xx-pcmcia");
diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c
index a2daa3f531b..d5c33bd78d6 100644
--- a/drivers/pcmcia/pxa2xx_sharpsl.c
+++ b/drivers/pcmcia/pxa2xx_sharpsl.c
@@ -261,7 +261,6 @@ static int __init sharpsl_pcmcia_init(void)
if (!sharpsl_pcmcia_device)
return -ENOMEM;
- sharpsl_pcmcia_device->dev.uevent_suppress = 0;
sharpsl_pcmcia_device->dev.platform_data = &sharpsl_pcmcia_ops;
sharpsl_pcmcia_device->dev.parent = platform_scoop_config->devs[0].dev;
@@ -284,3 +283,4 @@ module_exit(sharpsl_pcmcia_exit);
MODULE_DESCRIPTION("Sharp SL Series PCMCIA Support");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pxa2xx-pcmcia");
diff --git a/drivers/power/power_supply.h b/drivers/power/power_supply.h
index a9880d468ee..f38ba482be7 100644
--- a/drivers/power/power_supply.h
+++ b/drivers/power/power_supply.h
@@ -14,8 +14,7 @@
extern int power_supply_create_attrs(struct power_supply *psy);
extern void power_supply_remove_attrs(struct power_supply *psy);
-extern int power_supply_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size);
+extern int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env);
#else
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index de3155b2128..249f61bae63 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -195,11 +195,10 @@ static char *kstruprdup(const char *str, gfp_t gfp)
return ret;
}
-int power_supply_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct power_supply *psy = dev_get_drvdata(dev);
- int i = 0, length = 0, ret = 0, j;
+ int ret = 0, j;
char *prop_buf;
char *attrname;
@@ -212,8 +211,7 @@ int power_supply_uevent(struct device *dev, char **envp, int num_envp,
dev_dbg(dev, "POWER_SUPPLY_NAME=%s\n", psy->name);
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "POWER_SUPPLY_NAME=%s", psy->name);
+ ret = add_uevent_var(env, "POWER_SUPPLY_NAME=%s", psy->name);
if (ret)
return ret;
@@ -243,9 +241,7 @@ int power_supply_uevent(struct device *dev, char **envp, int num_envp,
dev_dbg(dev, "Static prop %s=%s\n", attrname, prop_buf);
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "POWER_SUPPLY_%s=%s",
- attrname, prop_buf);
+ ret = add_uevent_var(env, "POWER_SUPPLY_%s=%s", attrname, prop_buf);
kfree(attrname);
if (ret)
goto out;
@@ -282,14 +278,11 @@ int power_supply_uevent(struct device *dev, char **envp, int num_envp,
dev_dbg(dev, "prop %s=%s\n", attrname, prop_buf);
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "POWER_SUPPLY_%s=%s",
- attrname, prop_buf);
+ ret = add_uevent_var(env, "POWER_SUPPLY_%s=%s", attrname, prop_buf);
kfree(attrname);
if (ret)
goto out;
}
- envp[i] = NULL;
out:
free_page((unsigned long)prop_buf);
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 9c3b9ea1e66..5baa517c3b6 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -44,8 +44,7 @@ ccwgroup_bus_match (struct device * dev, struct device_driver * drv)
return 0;
}
static int
-ccwgroup_uevent (struct device *dev, char **envp, int num_envp, char *buffer,
- int buffer_size)
+ccwgroup_uevent (struct device *dev, struct kobj_uevent_env *env)
{
/* TODO */
return 0;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 39f02b48e4c..7ee57f084a8 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -79,49 +79,38 @@ static int snprint_alias(char *buf, size_t size,
/* Set up environment variables for ccw device uevent. Return 0 on success,
* non-zero otherwise. */
-static int ccw_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int ccw_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct ccw_device *cdev = to_ccwdev(dev);
struct ccw_device_id *id = &(cdev->id);
- int i = 0;
- int len = 0;
int ret;
char modalias_buf[30];
/* CU_TYPE= */
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "CU_TYPE=%04X", id->cu_type);
+ ret = add_uevent_var(env, "CU_TYPE=%04X", id->cu_type);
if (ret)
return ret;
/* CU_MODEL= */
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "CU_MODEL=%02X", id->cu_model);
+ ret = add_uevent_var(env, "CU_MODEL=%02X", id->cu_model);
if (ret)
return ret;
/* The next two can be zero, that's ok for us */
/* DEV_TYPE= */
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "DEV_TYPE=%04X", id->dev_type);
+ ret = add_uevent_var(env, "DEV_TYPE=%04X", id->dev_type);
if (ret)
return ret;
/* DEV_MODEL= */
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "DEV_MODEL=%02X", id->dev_model);
+ ret = add_uevent_var(env, "DEV_MODEL=%02X", id->dev_model);
if (ret)
return ret;
/* MODALIAS= */
snprint_alias(modalias_buf, sizeof(modalias_buf), id, "");
- ret = add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "MODALIAS=%s", modalias_buf);
- if (ret)
- return ret;
- envp[i] = NULL;
- return 0;
+ ret = add_uevent_var(env, "MODALIAS=%s", modalias_buf);
+ return ret;
}
struct bus_type ccw_bus_type;
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index d334b0f7a1e..67aaff3e668 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -458,28 +458,22 @@ static int ap_bus_match(struct device *dev, struct device_driver *drv)
* uevent function for AP devices. It sets up a single environment
* variable DEV_TYPE which contains the hardware device type.
*/
-static int ap_uevent (struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int ap_uevent (struct device *dev, struct kobj_uevent_env *env)
{
struct ap_device *ap_dev = to_ap_dev(dev);
- int retval = 0, length = 0, i = 0;
+ int retval = 0;
if (!ap_dev)
return -ENODEV;
/* Set up DEV_TYPE environment variable. */
- retval = add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "DEV_TYPE=%04X", ap_dev->device_type);
+ retval = add_uevent_var(env, "DEV_TYPE=%04X", ap_dev->device_type);
if (retval)
return retval;
/* Add MODALIAS= */
- retval = add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "MODALIAS=ap:t%02X", ap_dev->device_type);
+ retval = add_uevent_var(env, "MODALIAS=ap:t%02X", ap_dev->device_type);
- envp[i] = NULL;
return retval;
}
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 34cdce6738a..ede9986d349 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -277,16 +277,11 @@ static int scsi_bus_match(struct device *dev, struct device_driver *gendrv)
return (sdp->inq_periph_qual == SCSI_INQ_PQ_CON)? 1: 0;
}
-static int scsi_bus_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int scsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct scsi_device *sdev = to_scsi_device(dev);
- int i = 0;
- int length = 0;
- add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
- "MODALIAS=" SCSI_DEVICE_MODALIAS_FMT, sdev->type);
- envp[i] = NULL;
+ add_uevent_var(env, "MODALIAS=" SCSI_DEVICE_MODALIAS_FMT, sdev->type);
return 0;
}
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index e84d2159794..bcb8dd5fb0b 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -67,14 +67,11 @@ static int spi_match_device(struct device *dev, struct device_driver *drv)
return strncmp(spi->modalias, drv->name, BUS_ID_SIZE) == 0;
}
-static int spi_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int spi_uevent(struct device *dev, struct kobj_uevent_env *env)
{
const struct spi_device *spi = to_spi_device(dev);
- envp[0] = buffer;
- snprintf(buffer, buffer_size, "MODALIAS=%s", spi->modalias);
- envp[1] = NULL;
+ add_uevent_var(env, "MODALIAS=%s", spi->modalias);
return 0;
}
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index e5ad76b4a73..f013b4012c9 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1591,6 +1591,7 @@ static unsigned int usbdev_poll(struct file *file, struct poll_table_struct *wai
}
const struct file_operations usbdev_file_operations = {
+ .owner = THIS_MODULE,
.llseek = usbdev_lseek,
.read = usbdev_read,
.poll = usbdev_poll,
@@ -1640,10 +1641,7 @@ static struct notifier_block usbdev_nb = {
};
#endif
-static struct cdev usb_device_cdev = {
- .kobj = {.name = "usb_device", },
- .owner = THIS_MODULE,
-};
+static struct cdev usb_device_cdev;
int __init usb_devio_init(void)
{
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index c27bc080d84..8586817698a 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -581,12 +581,9 @@ static int usb_device_match(struct device *dev, struct device_driver *drv)
}
#ifdef CONFIG_HOTPLUG
-static int usb_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct usb_device *usb_dev;
- int i = 0;
- int length = 0;
if (!dev)
return -ENODEV;
@@ -615,51 +612,39 @@ static int usb_uevent(struct device *dev, char **envp, int num_envp,
* all the device descriptors we don't tell them about. Or
* act as usermode drivers.
*/
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "DEVICE=/proc/bus/usb/%03d/%03d",
+ if (add_uevent_var(env, "DEVICE=/proc/bus/usb/%03d/%03d",
usb_dev->bus->busnum, usb_dev->devnum))
return -ENOMEM;
#endif
/* per-device configurations are common */
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PRODUCT=%x/%x/%x",
+ if (add_uevent_var(env, "PRODUCT=%x/%x/%x",
le16_to_cpu(usb_dev->descriptor.idVendor),
le16_to_cpu(usb_dev->descriptor.idProduct),
le16_to_cpu(usb_dev->descriptor.bcdDevice)))
return -ENOMEM;
/* class-based driver binding models */
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "TYPE=%d/%d/%d",
+ if (add_uevent_var(env, "TYPE=%d/%d/%d",
usb_dev->descriptor.bDeviceClass,
usb_dev->descriptor.bDeviceSubClass,
usb_dev->descriptor.bDeviceProtocol))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "BUSNUM=%03d",
+ if (add_uevent_var(env, "BUSNUM=%03d",
usb_dev->bus->busnum))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "DEVNUM=%03d",
+ if (add_uevent_var(env, "DEVNUM=%03d",
usb_dev->devnum))
return -ENOMEM;
- envp[i] = NULL;
return 0;
}
#else
-static int usb_uevent(struct device *dev, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
{
return -ENODEV;
}
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 98fcddba690..c021af39037 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1344,14 +1344,11 @@ static void usb_release_interface(struct device *dev)
}
#ifdef CONFIG_HOTPLUG
-static int usb_if_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct usb_device *usb_dev;
struct usb_interface *intf;
struct usb_host_interface *alt;
- int i = 0;
- int length = 0;
if (!dev)
return -ENODEV;
@@ -1364,39 +1361,30 @@ static int usb_if_uevent(struct device *dev, char **envp, int num_envp,
alt = intf->cur_altsetting;
#ifdef CONFIG_USB_DEVICEFS
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "DEVICE=/proc/bus/usb/%03d/%03d",
+ if (add_uevent_var(env, "DEVICE=/proc/bus/usb/%03d/%03d",
usb_dev->bus->busnum, usb_dev->devnum))
return -ENOMEM;
#endif
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "PRODUCT=%x/%x/%x",
+ if (add_uevent_var(env, "PRODUCT=%x/%x/%x",
le16_to_cpu(usb_dev->descriptor.idVendor),
le16_to_cpu(usb_dev->descriptor.idProduct),
le16_to_cpu(usb_dev->descriptor.bcdDevice)))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "TYPE=%d/%d/%d",
+ if (add_uevent_var(env, "TYPE=%d/%d/%d",
usb_dev->descriptor.bDeviceClass,
usb_dev->descriptor.bDeviceSubClass,
usb_dev->descriptor.bDeviceProtocol))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
- "INTERFACE=%d/%d/%d",
+ if (add_uevent_var(env, "INTERFACE=%d/%d/%d",
alt->desc.bInterfaceClass,
alt->desc.bInterfaceSubClass,
alt->desc.bInterfaceProtocol))
return -ENOMEM;
- if (add_uevent_var(envp, num_envp, &i,
- buffer, buffer_size, &length,
+ if (add_uevent_var(env,
"MODALIAS=usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02Xic%02Xisc%02Xip%02X",
le16_to_cpu(usb_dev->descriptor.idVendor),
le16_to_cpu(usb_dev->descriptor.idProduct),
@@ -1409,14 +1397,12 @@ static int usb_if_uevent(struct device *dev, char **envp, int num_envp,
alt->desc.bInterfaceProtocol))
return -ENOMEM;
- envp[i] = NULL;
return 0;
}
#else
-static int usb_if_uevent(struct device *dev, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env)
{
return -ENODEV;
}
diff --git a/drivers/video/output.c b/drivers/video/output.c
index 1473f2c892d..f2df5519c9c 100644
--- a/drivers/video/output.c
+++ b/drivers/video/output.c
@@ -31,7 +31,8 @@ MODULE_DESCRIPTION("Display Output Switcher Lowlevel Control Abstraction");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Luming Yu <luming.yu@intel.com>");
-static ssize_t video_output_show_state(struct class_device *dev,char *buf)
+static ssize_t video_output_show_state(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
ssize_t ret_size = 0;
struct output_device *od = to_output_device(dev);
@@ -40,8 +41,9 @@ static ssize_t video_output_show_state(struct class_device *dev,char *buf)
return ret_size;
}
-static ssize_t video_output_store_state(struct class_device *dev,
- const char *buf,size_t count)
+static ssize_t video_output_store_state(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,size_t count)
{
char *endp;
struct output_device *od = to_output_device(dev);
@@ -60,21 +62,22 @@ static ssize_t video_output_store_state(struct class_device *dev,
return count;
}
-static void video_output_class_release(struct class_device *dev)
+static void video_output_release(struct device *dev)
{
struct output_device *od = to_output_device(dev);
kfree(od);
}
-static struct class_device_attribute video_output_attributes[] = {
+static struct device_attribute video_output_attributes[] = {
__ATTR(state, 0644, video_output_show_state, video_output_store_state),
__ATTR_NULL,
};
+
static struct class video_output_class = {
.name = "video_output",
- .release = video_output_class_release,
- .class_dev_attrs = video_output_attributes,
+ .dev_release = video_output_release,
+ .dev_attrs = video_output_attributes,
};
struct output_device *video_output_register(const char *name,
@@ -91,11 +94,11 @@ struct output_device *video_output_register(const char *name,
goto error_return;
}
new_dev->props = op;
- new_dev->class_dev.class = &video_output_class;
- new_dev->class_dev.dev = dev;
- strlcpy(new_dev->class_dev.class_id,name,KOBJ_NAME_LEN);
- class_set_devdata(&new_dev->class_dev,devdata);
- ret_code = class_device_register(&new_dev->class_dev);
+ new_dev->dev.class = &video_output_class;
+ new_dev->dev.parent = dev;
+ strlcpy(new_dev->dev.bus_id,name, BUS_ID_SIZE);
+ dev_set_drvdata(&new_dev->dev, devdata);
+ ret_code = device_register(&new_dev->dev);
if (ret_code) {
kfree(new_dev);
goto error_return;
@@ -111,7 +114,7 @@ void video_output_unregister(struct output_device *dev)
{
if (!dev)
return;
- class_device_unregister(&dev->class_dev);
+ device_unregister(&dev->dev);
}
EXPORT_SYMBOL(video_output_unregister);
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index a593f900eff..070217322c9 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -197,7 +197,7 @@ static struct w1_family w1_default_family = {
.fops = &w1_default_fops,
};
-static int w1_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size);
+static int w1_uevent(struct device *dev, struct kobj_uevent_env *env);
static struct bus_type w1_bus_type = {
.name = "w1",
@@ -396,13 +396,12 @@ static void w1_destroy_master_attributes(struct w1_master *master)
}
#ifdef CONFIG_HOTPLUG
-static int w1_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int w1_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct w1_master *md = NULL;
struct w1_slave *sl = NULL;
char *event_owner, *name;
- int err, cur_index=0, cur_len=0;
+ int err;
if (dev->driver == &w1_master_driver) {
md = container_of(dev, struct w1_master, dev);
@@ -423,23 +422,19 @@ static int w1_uevent(struct device *dev, char **envp, int num_envp,
if (dev->driver != &w1_slave_driver || !sl)
return 0;
- err = add_uevent_var(envp, num_envp, &cur_index, buffer, buffer_size,
- &cur_len, "W1_FID=%02X", sl->reg_num.family);
+ err = add_uevent_var(env, "W1_FID=%02X", sl->reg_num.family);
if (err)
return err;
- err = add_uevent_var(envp, num_envp, &cur_index, buffer, buffer_size,
- &cur_len, "W1_SLAVE_ID=%024LX",
- (unsigned long long)sl->reg_num.id);
- envp[cur_index] = NULL;
+ err = add_uevent_var(env, "W1_SLAVE_ID=%024LX",
+ (unsigned long long)sl->reg_num.id);
if (err)
return err;
return 0;
};
#else
-static int w1_uevent(struct device *dev, char **envp, int num_envp,
- char *buffer, int buffer_size)
+static int w1_uevent(struct device *dev, struct kobj_uevent_env *env)
{
return 0;
}