diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 08:25:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 08:25:51 -0700 |
| commit | 9e9abecfc0ff3a9ad2ead954b37bbfcb863c775e (patch) | |
| tree | 0c3ffda953b82750638a06507591ad587b565ff2 /include/asm-x86/mc146818rtc.h | |
| parent | d7bb545d86825e635cab33a1dd81ca0ad7b92887 (diff) | |
| parent | 77ad386e596c6b0930cc2e09e3cce485e3ee7f72 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (613 commits)
x86: standalone trampoline code
x86: move suspend wakeup code to C
x86: coding style fixes to arch/x86/kernel/acpi/sleep.c
x86: setup_trampoline() - fix section mismatch warning
x86: section mismatch fixes, #1
x86: fix paranoia about using BIOS quickboot mechanism.
x86: print out buggy mptable
x86: use cpu_online()
x86: use cpumask_of_cpu()
x86: remove unnecessary tmp local variable
x86: remove unnecessary memset()
x86: use ioapic_read_entry() and ioapic_write_entry()
x86: avoid redundant loop in io_apic_level_ack_pending()
x86: remove superfluous initialisation in boot code.
x86: merge mpparse_{32,64}.c
x86: unify mp_register_gsi
x86: unify mp_config_acpi_legacy_irqs
x86: unify mp_register_ioapic
x86: unify uniq_io_apic_id
x86: unify smp_scan_config
...
Diffstat (limited to 'include/asm-x86/mc146818rtc.h')
| -rw-r--r-- | include/asm-x86/mc146818rtc.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/include/asm-x86/mc146818rtc.h b/include/asm-x86/mc146818rtc.h index cdd9f965835..daf1ccde77a 100644 --- a/include/asm-x86/mc146818rtc.h +++ b/include/asm-x86/mc146818rtc.h @@ -42,7 +42,7 @@ extern volatile unsigned long cmos_lock; static inline void lock_cmos(unsigned char reg) { unsigned long new; - new = ((smp_processor_id()+1) << 8) | reg; + new = ((smp_processor_id() + 1) << 8) | reg; for (;;) { if (cmos_lock) { cpu_relax(); @@ -57,22 +57,26 @@ static inline void unlock_cmos(void) { cmos_lock = 0; } + static inline int do_i_have_lock_cmos(void) { - return (cmos_lock >> 8) == (smp_processor_id()+1); + return (cmos_lock >> 8) == (smp_processor_id() + 1); } + static inline unsigned char current_lock_cmos_reg(void) { return cmos_lock & 0xff; } -#define lock_cmos_prefix(reg) \ + +#define lock_cmos_prefix(reg) \ do { \ unsigned long cmos_flags; \ local_irq_save(cmos_flags); \ lock_cmos(reg) -#define lock_cmos_suffix(reg) \ - unlock_cmos(); \ - local_irq_restore(cmos_flags); \ + +#define lock_cmos_suffix(reg) \ + unlock_cmos(); \ + local_irq_restore(cmos_flags); \ } while (0) #else #define lock_cmos_prefix(reg) do {} while (0) |