Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  Merge branches 'release' and 'buildfix' into release
  acer-wmi - Add documentation
  sonypi - Move sonypi.txt to Documentation/laptops
  sony-laptop - Move sony-laptop.txt to Documentation/laptops
  thinkpad-acpi - Move thinkpad-acpi.txt to Documentation/laptops
  Documentation - Create laptops sub-directory
  ACPI: thermal: buildfix for CONFIG_THERMAL=n
  cpuidle: build fix for non-x86
  acer-wmi: Fix backlight on AMW0 (V1) laptops
  tc1100-wmi: Mark as experimental
  ACPI: SBS: Host controller must initialize before SBS.

7 files changed, 32 insertions, 12 deletions

diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index f29812a86533..40b0fcae4c78 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 1194105cc3ca..585ae3c9c8ea 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 ae9a90438e2f..a2cf3008ce6c 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 f01ac9a07bf5..47c6be84fc84 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 2c4b2d47973e..60f71e6345e3 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 c143a86c2ea6..1abc95ca9dfa 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 a4d677504250..d7aea93081f2 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;