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-rw-r--r--drivers/acpi/Makefile2
-rw-r--r--drivers/acpi/sbs.c2
-rw-r--r--drivers/acpi/sbshc.c6
-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/cpuidle/cpuidle.c13
-rw-r--r--drivers/misc/Kconfig13
-rw-r--r--drivers/misc/acer-wmi.c6
7 files changed, 32 insertions, 12 deletions
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index f29812a8653..40b0fcae4c7 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -60,5 +60,5 @@ obj-$(CONFIG_ACPI_ASUS) += asus_acpi.o
obj-$(CONFIG_ACPI_TOSHIBA) += toshiba_acpi.o
obj-$(CONFIG_ACPI_HOTPLUG_MEMORY) += acpi_memhotplug.o
obj-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o
-obj-$(CONFIG_ACPI_SBS) += sbs.o
obj-$(CONFIG_ACPI_SBS) += sbshc.o
+obj-$(CONFIG_ACPI_SBS) += sbs.o
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 1194105cc3c..585ae3c9c8e 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -827,7 +827,7 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
#endif
printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n",
ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
- battery->name, sbs->battery->present ? "present" : "absent");
+ battery->name, battery->present ? "present" : "absent");
return result;
}
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index ae9a90438e2..a2cf3008ce6 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -117,6 +117,11 @@ static int acpi_smbus_transaction(struct acpi_smb_hc *hc, u8 protocol,
int ret = -EFAULT, i;
u8 temp, sz = 0;
+ if (!hc) {
+ printk(KERN_ERR PREFIX "host controller is not configured\n");
+ return ret;
+ }
+
mutex_lock(&hc->lock);
if (smb_hc_read(hc, ACPI_SMB_PROTOCOL, &temp))
goto end;
@@ -292,6 +297,7 @@ static int acpi_smbus_hc_remove(struct acpi_device *device, int type)
hc = acpi_driver_data(device);
acpi_ec_remove_query_handler(hc->ec, hc->query_bit);
kfree(hc);
+ acpi_driver_data(device) = NULL;
return 0;
}
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index f01ac9a07bf..47c6be84fc8 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -875,7 +875,7 @@ config SONYPI
Device which can be found in many (all ?) Sony Vaio laptops.
If you have one of those laptops, read
- <file:Documentation/sonypi.txt>, and say Y or M here.
+ <file:Documentation/laptops/sonypi.txt>, and say Y or M here.
To compile this driver as a module, choose M here: the
module will be called sonypi.
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 2c4b2d47973..60f71e6345e 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -27,6 +27,17 @@ static void (*pm_idle_old)(void);
static int enabled_devices;
+#if defined(CONFIG_ARCH_HAS_CPU_IDLE_WAIT)
+static void cpuidle_kick_cpus(void)
+{
+ cpu_idle_wait();
+}
+#elif defined(CONFIG_SMP)
+# error "Arch needs cpu_idle_wait() equivalent here"
+#else /* !CONFIG_ARCH_HAS_CPU_IDLE_WAIT && !CONFIG_SMP */
+static void cpuidle_kick_cpus(void) {}
+#endif
+
/**
* cpuidle_idle_call - the main idle loop
*
@@ -83,7 +94,7 @@ void cpuidle_uninstall_idle_handler(void)
{
if (enabled_devices && (pm_idle != pm_idle_old)) {
pm_idle = pm_idle_old;
- cpu_idle_wait();
+ cpuidle_kick_cpus();
}
}
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index c143a86c2ea..1abc95ca9df 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -114,6 +114,9 @@ config ACER_WMI
wireless radio and bluetooth control, and on some laptops,
exposes the mail LED and LCD backlight.
+ For more information about this driver see
+ <file:Documentation/laptops/acer-wmi.txt>
+
If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
here.
@@ -152,8 +155,9 @@ config FUJITSU_LAPTOP
If you have a Fujitsu laptop, say Y or M here.
config TC1100_WMI
- tristate "HP Compaq TC1100 Tablet WMI Extras"
+ tristate "HP Compaq TC1100 Tablet WMI Extras (EXPERIMENTAL)"
depends on X86 && !X86_64
+ depends on EXPERIMENTAL
depends on ACPI
select ACPI_WMI
---help---
@@ -192,7 +196,7 @@ config SONY_LAPTOP
screen brightness control, Fn keys and allows powering on/off some
devices.
- Read <file:Documentation/sony-laptop.txt> for more information.
+ Read <file:Documentation/laptops/sony-laptop.txt> for more information.
config SONYPI_COMPAT
bool "Sonypi compatibility"
@@ -211,8 +215,9 @@ config THINKPAD_ACPI
This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
support for Fn-Fx key combinations, Bluetooth control, video
output switching, ThinkLight control, UltraBay eject and more.
- For more information about this driver see
- <file:Documentation/thinkpad-acpi.txt> and <http://ibm-acpi.sf.net/> .
+ For more information about this driver see
+ <file:Documentation/laptops/thinkpad-acpi.txt> and
+ <http://ibm-acpi.sf.net/> .
This driver was formerly known as ibm-acpi.
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index a4d67750425..d7aea93081f 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -428,11 +428,9 @@ static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
if (value > max_brightness)
return AE_BAD_PARAMETER;
switch (quirks->brightness) {
- case 1:
- return ec_write(0x83, value);
default:
- return AE_BAD_ADDRESS;
- break;
+ return ec_write(0x83, value);
+ break;
}
default:
return AE_BAD_ADDRESS;