aboutsummaryrefslogtreecommitdiff
path: root/drivers/pci
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-07-25 13:08:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-25 13:08:16 +0200
commit10a010f6953b5a14ba2f0be40a4fce1bea220875 (patch)
tree19aadf718c796bc7fae0a1a1c970d84d67c541d4 /drivers/pci
parent510b37258dfd61693ca6c039865c78bd996e3718 (diff)
parentfb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff)
Merge branch 'linus' into x86/x2apic
Conflicts: drivers/pci/dmar.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/hotplug/acpiphp.h4
-rw-r--r--drivers/pci/pci.c34
-rw-r--r--drivers/pci/proc.c18
3 files changed, 35 insertions, 21 deletions
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index eecf7cbf413..5a58b075dd8 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -36,7 +36,7 @@
#define _ACPIPHP_H
#include <linux/acpi.h>
-#include <linux/kobject.h> /* for KOBJ_NAME_LEN */
+#include <linux/kobject.h>
#include <linux/mutex.h>
#include <linux/pci_hotplug.h>
@@ -51,7 +51,7 @@
#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
/* name size which is used for entries in pcihpfs */
-#define SLOT_NAME_SIZE KOBJ_NAME_LEN /* {_SUN} */
+#define SLOT_NAME_SIZE 20 /* {_SUN} */
struct acpiphp_bridge;
struct acpiphp_slot;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d00f0e0d845..e9c356236d2 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1040,7 +1040,7 @@ int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state)
* @dev: PCI device to handle.
* @state: PCI state from which device will issue PME#.
*/
-static bool pci_pme_capable(struct pci_dev *dev, pci_power_t state)
+bool pci_pme_capable(struct pci_dev *dev, pci_power_t state)
{
if (!dev->pm_cap)
return false;
@@ -1123,17 +1123,10 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable)
}
/**
- * pci_prepare_to_sleep - prepare PCI device for system-wide transition into a sleep state
- * @dev: Device to handle.
- *
- * Choose the power state appropriate for the device depending on whether
- * it can wake up the system and/or is power manageable by the platform
- * (PCI_D3hot is the default) and put the device into that state.
*/
-int pci_prepare_to_sleep(struct pci_dev *dev)
+pci_power_t pci_target_state(struct pci_dev *dev)
{
pci_power_t target_state = PCI_D3hot;
- int error;
if (platform_pci_power_manageable(dev)) {
/*
@@ -1160,7 +1153,7 @@ int pci_prepare_to_sleep(struct pci_dev *dev)
* to generate PME#.
*/
if (!dev->pm_cap)
- return -EIO;
+ return PCI_POWER_ERROR;
if (dev->pme_support) {
while (target_state
@@ -1169,6 +1162,25 @@ int pci_prepare_to_sleep(struct pci_dev *dev)
}
}
+ return target_state;
+}
+
+/**
+ * pci_prepare_to_sleep - prepare PCI device for system-wide transition into a sleep state
+ * @dev: Device to handle.
+ *
+ * Choose the power state appropriate for the device depending on whether
+ * it can wake up the system and/or is power manageable by the platform
+ * (PCI_D3hot is the default) and put the device into that state.
+ */
+int pci_prepare_to_sleep(struct pci_dev *dev)
+{
+ pci_power_t target_state = pci_target_state(dev);
+ int error;
+
+ if (target_state == PCI_POWER_ERROR)
+ return -EIO;
+
pci_enable_wake(dev, target_state, true);
error = pci_set_power_state(dev, target_state);
@@ -1918,7 +1930,9 @@ EXPORT_SYMBOL(pci_select_bars);
EXPORT_SYMBOL(pci_set_power_state);
EXPORT_SYMBOL(pci_save_state);
EXPORT_SYMBOL(pci_restore_state);
+EXPORT_SYMBOL(pci_pme_capable);
EXPORT_SYMBOL(pci_enable_wake);
+EXPORT_SYMBOL(pci_target_state);
EXPORT_SYMBOL(pci_prepare_to_sleep);
EXPORT_SYMBOL(pci_back_from_sleep);
EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state);
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 4400dffbd93..e1098c302c4 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -88,7 +88,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
if ((pos & 3) && cnt > 2) {
unsigned short val;
pci_user_read_config_word(dev, pos, &val);
- __put_user(cpu_to_le16(val), (unsigned short __user *) buf);
+ __put_user(cpu_to_le16(val), (__le16 __user *) buf);
buf += 2;
pos += 2;
cnt -= 2;
@@ -97,7 +97,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
while (cnt >= 4) {
unsigned int val;
pci_user_read_config_dword(dev, pos, &val);
- __put_user(cpu_to_le32(val), (unsigned int __user *) buf);
+ __put_user(cpu_to_le32(val), (__le32 __user *) buf);
buf += 4;
pos += 4;
cnt -= 4;
@@ -106,7 +106,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
if (cnt >= 2) {
unsigned short val;
pci_user_read_config_word(dev, pos, &val);
- __put_user(cpu_to_le16(val), (unsigned short __user *) buf);
+ __put_user(cpu_to_le16(val), (__le16 __user *) buf);
buf += 2;
pos += 2;
cnt -= 2;
@@ -156,8 +156,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
}
if ((pos & 3) && cnt > 2) {
- unsigned short val;
- __get_user(val, (unsigned short __user *) buf);
+ __le16 val;
+ __get_user(val, (__le16 __user *) buf);
pci_user_write_config_word(dev, pos, le16_to_cpu(val));
buf += 2;
pos += 2;
@@ -165,8 +165,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
}
while (cnt >= 4) {
- unsigned int val;
- __get_user(val, (unsigned int __user *) buf);
+ __le32 val;
+ __get_user(val, (__le32 __user *) buf);
pci_user_write_config_dword(dev, pos, le32_to_cpu(val));
buf += 4;
pos += 4;
@@ -174,8 +174,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
}
if (cnt >= 2) {
- unsigned short val;
- __get_user(val, (unsigned short __user *) buf);
+ __le16 val;
+ __get_user(val, (__le16 __user *) buf);
pci_user_write_config_word(dev, pos, le16_to_cpu(val));
buf += 2;
pos += 2;