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| author | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-23 05:46:56 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-23 05:46:56 +0300 |
| commit | 18ed1c051317ac3a685120cead2adb192b802347 (patch) | |
| tree | c08a9147119a6cb69114166c7107f6b0bba6e2ab /include/asm-i386 | |
| parent | dab6df63086762629936e8b89a5984bae39724f6 (diff) | |
| parent | 36bcbec7ce21e2e8b3143b11a05747330abeca70 (diff) | |
| download | linux-18ed1c051317ac3a685120cead2adb192b802347.tar.xz | |
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: (68 commits)
ACPI: replace kmalloc+memset with kzalloc
ACPI: Add support for acpi_load_table/acpi_unload_table_id
fbdev: update after backlight argument change
ACPI: video: Add dev argument for backlight_device_register
ACPI: Implement acpi_video_get_next_level()
ACPI: Kconfig - depend on PM rather than selecting it
ACPI: fix NULL check in drivers/acpi/osl.c
ACPI: make drivers/acpi/ec.c:ec_ecdt static
ACPI: prevent processor module from loading on failures
ACPI: fix single linked list manipulation
ACPI: ibm_acpi: allow clean removal
ACPI: fix git automerge failure
ACPI: ibm_acpi: respond to workqueue update
ACPI: dock: add uevent to indicate change in device status
ACPI: ec: Lindent once again
ACPI: ec: Change #define to enums there possible.
ACPI: ec: Style changes.
ACPI: ec: Acquire Global Lock under EC mutex.
ACPI: ec: Drop udelay() from poll mode. Loop by reading status field instead.
ACPI: ec: Rename gpe_bit to gpe
...
Diffstat (limited to 'include/asm-i386')
| -rw-r--r-- | include/asm-i386/acpi.h | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/include/asm-i386/acpi.h b/include/asm-i386/acpi.h index c80b3a94511a..7cfad93edf10 100644 --- a/include/asm-i386/acpi.h +++ b/include/asm-i386/acpi.h @@ -56,30 +56,8 @@ #define ACPI_ENABLE_IRQS() local_irq_enable() #define ACPI_FLUSH_CPU_CACHE() wbinvd() - -static inline int -__acpi_acquire_global_lock (unsigned int *lock) -{ - unsigned int old, new, val; - do { - old = *lock; - new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1)); - val = cmpxchg(lock, old, new); - } while (unlikely (val != old)); - return (new < 3) ? -1 : 0; -} - -static inline int -__acpi_release_global_lock (unsigned int *lock) -{ - unsigned int old, new, val; - do { - old = *lock; - new = old & ~0x3; - val = cmpxchg(lock, old, new); - } while (unlikely (val != old)); - return old & 0x1; -} +int __acpi_acquire_global_lock(unsigned int *lock); +int __acpi_release_global_lock(unsigned int *lock); #define ACPI_ACQUIRE_GLOBAL_LOCK(GLptr, Acq) \ ((Acq) = __acpi_acquire_global_lock((unsigned int *) GLptr)) |