diff options
| author |   Feng Tang <feng.tang@intel.com> | 2011-11-10 13:42:02 +0000 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2011-11-10 16:20:53 +0100 |
| commit | cf8ff6b6ab0e99dd3058852f4ec76a6140abadec (patch) | |
| tree | e2b004657136004c757d45df0f23bafe97bd46fe /arch/x86/include/asm/x86_init.h | |
| parent | x86/mce: Make mce_chrdev_ops 'static const' (diff) | |
| download | linux-dev-cf8ff6b6ab0e99dd3058852f4ec76a6140abadec.tar.xz linux-dev-cf8ff6b6ab0e99dd3058852f4ec76a6140abadec.zip | |
x86/platform: Add a wallclock_init func to x86_platforms ops
Some wall clock devices use MMIO based HW register, this new
function will give them a chance to do some initialization work
before their get/set_time service get called.
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/x86_init.h')
| -rw-r--r-- | arch/x86/include/asm/x86_init.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index d3d859035af9..f864fbe474c6 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -152,6 +152,7 @@ struct x86_cpuinit_ops { /** * struct x86_platform_ops - platform specific runtime functions * @calibrate_tsc: calibrate TSC + * @wallclock_init: init the wallclock device * @get_wallclock: get time from HW clock like RTC etc. * @set_wallclock: set time back to HW clock * @is_untracked_pat_range exclude from PAT logic @@ -160,6 +161,7 @@ struct x86_cpuinit_ops { */ struct x86_platform_ops { unsigned long (*calibrate_tsc)(void); + void (*wallclock_init)(void); unsigned long (*get_wallclock)(void); int (*set_wallclock)(unsigned long nowtime); void (*iommu_shutdown)(void); |