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authorFeng Tang <feng.tang@intel.com>2011-11-10 13:42:02 +0000
committerIngo Molnar <mingo@elte.hu>2011-11-10 16:20:53 +0100
commitcf8ff6b6ab0e99dd3058852f4ec76a6140abadec (patch)
treee2b004657136004c757d45df0f23bafe97bd46fe /arch/x86/kernel/x86_init.c
parent66f5ddf30a59f811818656cb2833c80da0340cfa (diff)
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/kernel/x86_init.c')
-rw-r--r--arch/x86/kernel/x86_init.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 6f164bd5e14d..701c7be442f1 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -27,6 +27,7 @@ void __init x86_init_uint_noop(unsigned int unused) { }
void __init x86_init_pgd_noop(pgd_t *unused) { }
int __init iommu_init_noop(void) { return 0; }
void iommu_shutdown_noop(void) { }
+void wallclock_init_noop(void) { }
/*
* The platform setup functions are preset with the default functions
@@ -97,6 +98,7 @@ static int default_i8042_detect(void) { return 1; };
struct x86_platform_ops x86_platform = {
.calibrate_tsc = native_calibrate_tsc,
+ .wallclock_init = wallclock_init_noop,
.get_wallclock = mach_get_cmos_time,
.set_wallclock = mach_set_rtc_mmss,
.iommu_shutdown = iommu_shutdown_noop,