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authorLen Brown <len.brown@intel.com>2008-11-11 21:14:11 -0500
committerLen Brown <len.brown@intel.com>2008-11-11 21:14:11 -0500
commit3e0fe364835cecc8560cf32bb9609f4c56c5d9fa (patch)
treebe2236bd4f6f16aee24cca5217449dc03a6c1e85 /drivers
parente911d27af43e7d28d59a96a4682e8942f0661469 (diff)
parent32836259ff25ce97010569706cd33ba94de81d62 (diff)
Merge branch 'misc' into release
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/Kconfig22
-rw-r--r--drivers/acpi/Makefile4
-rw-r--r--drivers/acpi/ac.c1
-rw-r--r--drivers/acpi/acpi_memhotplug.c1
-rw-r--r--drivers/acpi/battery.c1
-rw-r--r--drivers/acpi/bus.c11
-rw-r--r--drivers/acpi/button.c1
-rw-r--r--drivers/acpi/cm_sbs.c7
-rw-r--r--drivers/acpi/container.c1
-rw-r--r--drivers/acpi/debug.c15
-rw-r--r--drivers/acpi/events/evgpe.c2
-rw-r--r--drivers/acpi/fan.c1
-rw-r--r--drivers/acpi/pci_link.c11
-rw-r--r--drivers/acpi/pci_root.c6
-rw-r--r--drivers/acpi/power.c3
-rw-r--r--drivers/acpi/processor_core.c1
-rw-r--r--drivers/acpi/processor_idle.c1
-rw-r--r--drivers/acpi/processor_perflib.c2
-rw-r--r--drivers/acpi/processor_thermal.c1
-rw-r--r--drivers/acpi/processor_throttling.c2
-rw-r--r--drivers/acpi/reboot.c25
-rw-r--r--drivers/acpi/tables/tbfadt.c2
-rw-r--r--drivers/acpi/thermal.c1
-rw-r--r--drivers/acpi/video.c7
-rw-r--r--drivers/char/sonypi.c4
-rw-r--r--drivers/idle/Kconfig3
-rw-r--r--drivers/misc/Kconfig4
-rw-r--r--drivers/misc/fujitsu-laptop.c17
-rw-r--r--drivers/misc/intel_menlow.c10
29 files changed, 80 insertions, 87 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index f4f63291750..b0243fd55ac 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -312,9 +312,13 @@ config ACPI_DEBUG
bool "Debug Statements"
default n
help
- The ACPI driver can optionally report errors with a great deal
- of verbosity. Saying Y enables these statements. This will increase
- your kernel size by around 50K.
+ The ACPI subsystem can produce debug output. Saying Y enables this
+ output and increases the kernel size by around 50K.
+
+ Use the acpi.debug_layer and acpi.debug_level kernel command-line
+ parameters documented in Documentation/acpi/debug.txt and
+ Documentation/kernel-parameters.txt to control the type and
+ amount of debug output.
config ACPI_DEBUG_FUNC_TRACE
bool "Additionally enable ACPI function tracing"
@@ -324,14 +328,6 @@ config ACPI_DEBUG_FUNC_TRACE
ACPI Debug Statements slow down ACPI processing. Function trace
is about half of the penalty and is rarely useful.
-config ACPI_EC
- bool
- default y
- help
- This driver is required on some systems for the proper operation of
- the battery and thermal drivers. If you are compiling for a
- mobile system, say Y.
-
config ACPI_PCI_SLOT
tristate "PCI slot detection driver"
default n
@@ -341,10 +337,6 @@ config ACPI_PCI_SLOT
help you correlate PCI bus addresses with the physical geography
of your slots. If you are unsure, say N.
-config ACPI_POWER
- bool
- default y
-
config ACPI_SYSTEM
bool
default y
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index d91c027ece8..fc622316a7d 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -39,7 +39,7 @@ obj-y += sleep/
obj-y += bus.o glue.o
obj-y += scan.o
# Keep EC driver first. Initialization of others depend on it.
-obj-$(CONFIG_ACPI_EC) += ec.o
+obj-y += ec.o
obj-$(CONFIG_ACPI_AC) += ac.o
obj-$(CONFIG_ACPI_BATTERY) += battery.o
obj-$(CONFIG_ACPI_BUTTON) += button.o
@@ -51,7 +51,7 @@ obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o
obj-$(CONFIG_ACPI_PROCESSOR) += processor.o
obj-$(CONFIG_ACPI_CONTAINER) += container.o
obj-$(CONFIG_ACPI_THERMAL) += thermal.o
-obj-$(CONFIG_ACPI_POWER) += power.o
+obj-y += power.o
obj-$(CONFIG_ACPI_SYSTEM) += system.o event.o
obj-$(CONFIG_ACPI_DEBUG) += debug.o
obj-$(CONFIG_ACPI_NUMA) += numa.o
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index d72a1b6c8a9..5cdd713a0ea 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -37,7 +37,6 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_AC_COMPONENT 0x00020000
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_AC_DEVICE_NAME "AC Adapter"
#define ACPI_AC_FILE_STATE "state"
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 71d21c51c45..63a17b55b39 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -32,7 +32,6 @@
#include <linux/memory_hotplug.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000UL
#define ACPI_MEMORY_DEVICE_CLASS "memory"
#define ACPI_MEMORY_DEVICE_HID "PNP0C80"
#define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device"
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b2133e89ad9..47f6e38fa6c 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -46,7 +46,6 @@
#define ACPI_BATTERY_VALUE_UNKNOWN 0xFFFFFFFF
-#define ACPI_BATTERY_COMPONENT 0x00040000
#define ACPI_BATTERY_CLASS "battery"
#define ACPI_BATTERY_DEVICE_NAME "Battery"
#define ACPI_BATTERY_NOTIFY_STATUS 0x80
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index c797c6473f3..7edf6d913c1 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -688,6 +688,14 @@ void __init acpi_early_init(void)
if (acpi_disabled)
return;
+ /*
+ * ACPI CA initializes acpi_dbg_level to non-zero, which means
+ * we get debug output merely by turning on CONFIG_ACPI_DEBUG.
+ * Turn it off so we don't get output unless the user specifies
+ * acpi.debug_level.
+ */
+ acpi_dbg_level = 0;
+
printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);
/* enable workarounds, unless strict ACPI spec. compliance */
@@ -774,7 +782,7 @@ static int __init acpi_bus_init(void)
"Unable to initialize ACPI OS objects\n");
goto error1;
}
-#ifdef CONFIG_ACPI_EC
+
/*
* ACPI 2.0 requires the EC driver to be loaded and work before
* the EC device is found in the namespace (i.e. before acpi_initialize_objects()
@@ -785,7 +793,6 @@ static int __init acpi_bus_init(void)
*/
status = acpi_ec_ecdt_probe();
/* Ignore result. Not having an ECDT is not fatal. */
-#endif
status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE(status)) {
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index cb046c3fc3f..fd7ca289cb0 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -33,7 +33,6 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_BUTTON_COMPONENT 0x00080000
#define ACPI_BUTTON_CLASS "button"
#define ACPI_BUTTON_FILE_INFO "info"
#define ACPI_BUTTON_FILE_STATE "state"
diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c
index 4441e84b28a..307963bd104 100644
--- a/drivers/acpi/cm_sbs.c
+++ b/drivers/acpi/cm_sbs.c
@@ -34,7 +34,6 @@
ACPI_MODULE_NAME("cm_sbs");
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_BATTERY_CLASS "battery"
-#define ACPI_SBS_COMPONENT 0x00080000
#define _COMPONENT ACPI_SBS_COMPONENT
static struct proc_dir_entry *acpi_ac_dir;
static struct proc_dir_entry *acpi_battery_dir;
@@ -105,9 +104,3 @@ void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param)
return;
}
EXPORT_SYMBOL(acpi_unlock_battery_dir);
-
-static int __init acpi_cm_sbs_init(void)
-{
- return 0;
-}
-subsys_initcall(acpi_cm_sbs_init);
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 134818b265a..17020c12623 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -41,7 +41,6 @@
#define INSTALL_NOTIFY_HANDLER 1
#define UNINSTALL_NOTIFY_HANDLER 2
-#define ACPI_CONTAINER_COMPONENT 0x01000000
#define _COMPONENT ACPI_CONTAINER_COMPONENT
ACPI_MODULE_NAME("container");
diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index abf36b4b1d1..c4839689200 100644
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -44,6 +44,21 @@ static const struct acpi_dlayer acpi_debug_layers[] = {
ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER),
ACPI_DEBUG_INIT(ACPI_COMPILER),
ACPI_DEBUG_INIT(ACPI_TOOLS),
+
+ ACPI_DEBUG_INIT(ACPI_BUS_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_AC_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_POWER_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_THERMAL_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_VIDEO_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT),
};
static const struct acpi_dlevel acpi_debug_levels[] = {
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index c5e53aae86f..f45c74fe745 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -289,8 +289,6 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
*/
status = acpi_hw_low_disable_gpe(gpe_event_info);
return_ACPI_STATUS(status);
-
- return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 60d54d1f6b1..eaaee1660bd 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -34,7 +34,6 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_FAN_COMPONENT 0x00200000
#define ACPI_FAN_CLASS "fan"
#define ACPI_FAN_FILE_STATE "state"
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index fcfdef7b4fd..e52ad91ce2d 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -531,7 +531,7 @@ int __init acpi_irq_penalty_init(void)
return 0;
}
-static int acpi_irq_balance; /* 0: static, 1: balance */
+static int acpi_irq_balance = -1; /* 0: static, 1: balance */
static int acpi_pci_link_allocate(struct acpi_pci_link *link)
{
@@ -950,10 +950,17 @@ device_initcall(irqrouter_init_sysfs);
static int __init acpi_pci_link_init(void)
{
-
if (acpi_noirq)
return 0;
+ if (acpi_irq_balance == -1) {
+ /* no command line switch: enable balancing in IOAPIC mode */
+ if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC)
+ acpi_irq_balance = 1;
+ else
+ acpi_irq_balance = 0;
+ }
+
acpi_link.count = 0;
INIT_LIST_HEAD(&acpi_link.entries);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 1b8f67d21d5..642554b1b60 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -376,15 +376,9 @@ static int acpi_pci_root_remove(struct acpi_device *device, int type)
static int __init acpi_pci_root_init(void)
{
-
if (acpi_pci_disabled)
return 0;
- /* DEBUG:
- acpi_dbg_layer = ACPI_PCI_COMPONENT;
- acpi_dbg_level = 0xFFFFFFFF;
- */
-
if (acpi_bus_register_driver(&acpi_pci_root_driver) < 0)
return -ENODEV;
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index a1718e56103..81f583f8098 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -44,9 +44,8 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#define _COMPONENT ACPI_POWER_COMPONENT
+#define _COMPONENT ACPI_POWER_COMPONENT
ACPI_MODULE_NAME("power");
-#define ACPI_POWER_COMPONENT 0x00800000
#define ACPI_POWER_CLASS "power_resource"
#define ACPI_POWER_DEVICE_NAME "Power Resource"
#define ACPI_POWER_FILE_INFO "info"
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 24a362f8034..105e0ff8384 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -59,7 +59,6 @@
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
-#define ACPI_PROCESSOR_COMPONENT 0x01000000
#define ACPI_PROCESSOR_CLASS "processor"
#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
#define ACPI_PROCESSOR_FILE_INFO "info"
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 81b40ed5379..5f8d746a9b8 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -59,7 +59,6 @@
#include <acpi/processor.h>
#include <asm/processor.h>
-#define ACPI_PROCESSOR_COMPONENT 0x01000000
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_idle");
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index dbcf260ea93..0d7b772bef5 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -44,9 +44,9 @@
#endif
#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
-#define ACPI_PROCESSOR_COMPONENT 0x01000000
#define ACPI_PROCESSOR_CLASS "processor"
#define ACPI_PROCESSOR_FILE_PERFORMANCE "performance"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index ef34b18f95c..b1eb376fae4 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -40,7 +40,6 @@
#include <acpi/processor.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_PROCESSOR_COMPONENT 0x01000000
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_thermal");
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 3da2df93d92..a0c38c94a8a 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -38,9 +38,9 @@
#include <asm/uaccess.h>
#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
-#define ACPI_PROCESSOR_COMPONENT 0x01000000
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_throttling");
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
index 755baf2ca70..a6b662c00b6 100644
--- a/drivers/acpi/reboot.c
+++ b/drivers/acpi/reboot.c
@@ -15,28 +15,9 @@ void acpi_reboot(void)
rr = &acpi_gbl_FADT.reset_register;
- /*
- * Is the ACPI reset register supported?
- *
- * According to ACPI 3.0, FADT.flags.RESET_REG_SUP indicates
- * whether the ACPI reset mechanism is supported.
- *
- * However, some boxes have this bit clear, yet a valid
- * ACPI_RESET_REG & RESET_VALUE, and ACPI reboot is the only
- * mechanism that works for them after S3.
- *
- * This suggests that other operating systems may not be checking
- * the RESET_REG_SUP bit, and are using other means to decide
- * whether to use the ACPI reboot mechanism or not.
- *
- * So when acpi reboot is requested,
- * only the reset_register is checked. If the following
- * conditions are met, it indicates that the reset register is supported.
- * a. reset_register is not zero
- * b. the access width is eight
- * c. the bit_offset is zero
- */
- if (!(rr->address) || rr->bit_width != 8 || rr->bit_offset != 0)
+ /* Is the reset register supported? */
+ if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
+ rr->bit_width != 8 || rr->bit_offset != 0)
return;
reset_value = acpi_gbl_FADT.reset_value;
diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c
index 2c7885e7ffb..2817158fb6a 100644
--- a/drivers/acpi/tables/tbfadt.c
+++ b/drivers/acpi/tables/tbfadt.c
@@ -304,7 +304,7 @@ static void acpi_tb_convert_fadt(void)
* The ACPI 1.0 reserved fields that will be zeroed are the bytes located at
* offset 45, 55, 95, and the word located at offset 109, 110.
*/
- if (acpi_gbl_FADT.header.revision < 3) {
+ if (acpi_gbl_FADT.header.revision < FADT2_REVISION_ID) {
acpi_gbl_FADT.preferred_profile = 0;
acpi_gbl_FADT.pstate_control = 0;
acpi_gbl_FADT.cst_control = 0;
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index ad6cae938f0..a6da1d9918c 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -47,7 +47,6 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_THERMAL_COMPONENT 0x04000000
#define ACPI_THERMAL_CLASS "thermal_zone"
#define ACPI_THERMAL_DEVICE_NAME "Thermal Zone"
#define ACPI_THERMAL_FILE_STATE "state"
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index a29b0ccac65..a3aad30d39f 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -41,7 +41,6 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#define ACPI_VIDEO_COMPONENT 0x08000000
#define ACPI_VIDEO_CLASS "video"
#define ACPI_VIDEO_BUS_NAME "Video Bus"
#define ACPI_VIDEO_DEVICE_NAME "Video Device"
@@ -2094,12 +2093,6 @@ static int __init acpi_video_init(void)
{
int result = 0;
-
- /*
- acpi_dbg_level = 0xFFFFFFFF;
- acpi_dbg_layer = 0x08000000;
- */
-
acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir);
if (!acpi_video_dir)
return -ENODEV;
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 2457b07dabd..f4374437a03 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -523,7 +523,7 @@ static int acpi_driver_registered;
static int sonypi_ec_write(u8 addr, u8 value)
{
-#ifdef CONFIG_ACPI_EC
+#ifdef CONFIG_ACPI
if (SONYPI_ACPI_ACTIVE)
return ec_write(addr, value);
#endif
@@ -539,7 +539,7 @@ static int sonypi_ec_write(u8 addr, u8 value)
static int sonypi_ec_read(u8 addr, u8 *value)
{
-#ifdef CONFIG_ACPI_EC
+#ifdef CONFIG_ACPI
if (SONYPI_ACPI_ACTIVE)
return ec_read(addr, value);
#endif
diff --git a/drivers/idle/Kconfig b/drivers/idle/Kconfig
index 108264de0ac..f15e90a453d 100644
--- a/drivers/idle/Kconfig
+++ b/drivers/idle/Kconfig
@@ -1,5 +1,6 @@
menu "Memory power savings"
+depends on X86_64
config I7300_IDLE_IOAT_CHANNEL
bool
@@ -7,7 +8,7 @@ config I7300_IDLE_IOAT_CHANNEL
config I7300_IDLE
tristate "Intel chipset idle memory power saving driver"
select I7300_IDLE_IOAT_CHANNEL
- depends on X86_64 && EXPERIMENTAL
+ depends on EXPERIMENTAL
help
Enable memory power savings when idle with certain Intel server
chipsets. The chipset must have I/O AT support, such as the
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 9494400e8fd..4494ad27cbf 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -230,7 +230,7 @@ config HP_WMI
config MSI_LAPTOP
tristate "MSI Laptop Extras"
depends on X86
- depends on ACPI_EC
+ depends on ACPI
depends on BACKLIGHT_CLASS_DEVICE
---help---
This is a driver for laptops built by MSI (MICRO-STAR
@@ -260,7 +260,7 @@ config PANASONIC_LAPTOP
config COMPAL_LAPTOP
tristate "Compal Laptop Extras"
depends on X86
- depends on ACPI_EC
+ depends on ACPI
depends on BACKLIGHT_CLASS_DEVICE
---help---
This is a driver for laptops built by Compal:
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index d2cf0bfe316..5ec77ae08d9 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -464,6 +464,14 @@ static int dmi_check_cb_s6410(const struct dmi_system_id *id)
return 0;
}
+static int dmi_check_cb_s6420(const struct dmi_system_id *id)
+{
+ dmi_check_cb_common(id);
+ fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */
+ fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */
+ return 0;
+}
+
static int dmi_check_cb_p8010(const struct dmi_system_id *id)
{
dmi_check_cb_common(id);
@@ -473,7 +481,7 @@ static int dmi_check_cb_p8010(const struct dmi_system_id *id)
return 0;
}
-static struct dmi_system_id __initdata fujitsu_dmi_table[] = {
+static struct dmi_system_id fujitsu_dmi_table[] = {
{
.ident = "Fujitsu Siemens S6410",
.matches = {
@@ -482,6 +490,13 @@ static struct dmi_system_id __initdata fujitsu_dmi_table[] = {
},
.callback = dmi_check_cb_s6410},
{
+ .ident = "Fujitsu Siemens S6420",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"),
+ },
+ .callback = dmi_check_cb_s6420},
+ {
.ident = "Fujitsu LifeBook P8010",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index e00a2756e97..27b7662955b 100644
--- a/drivers/misc/intel_menlow.c
+++ b/drivers/misc/intel_menlow.c
@@ -52,6 +52,11 @@ MODULE_LICENSE("GPL");
#define MEMORY_ARG_CUR_BANDWIDTH 1
#define MEMORY_ARG_MAX_BANDWIDTH 0
+/*
+ * GTHS returning 'n' would mean that [0,n-1] states are supported
+ * In that case max_cstate would be n-1
+ * GTHS returning '0' would mean that no bandwidth control states are supported
+ */
static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev,
unsigned long *max_state)
{
@@ -71,6 +76,9 @@ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev,
if (ACPI_FAILURE(status))
return -EFAULT;
+ if (!value)
+ return -EINVAL;
+
*max_state = value - 1;
return 0;
}
@@ -121,7 +129,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev,
if (memory_get_int_max_bandwidth(cdev, &max_state))
return -EFAULT;
- if (max_state < 0 || state > max_state)
+ if (state > max_state)
return -EINVAL;
arg_list.count = 1;