x86: Move get/set_wallclock to x86_platform_ops

get/set_wallclock() have already a set of platform dependent
implementations (default, EFI, paravirt). MRST will add another
variant.

Moving them to platform ops simplifies the existing code and minimizes
the effort to integrate new variants.

Signed-off-by: Feng Tang <feng.tang@intel.com>
LKML-Reference: <new-submission>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index b6c89428137d..2c756fd4ab0e 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -114,9 +114,13 @@ struct x86_cpuinit_ops {
 /**
  * struct x86_platform_ops - platform specific runtime functions
  * @calibrate_tsc:              calibrate TSC
+ * @get_wallclock:              get time from HW clock like RTC etc.
+ * @set_wallclock:              set time back to HW clock
  */
 struct x86_platform_ops {
         unsigned long (*calibrate_tsc)(void);
+        unsigned long (*get_wallclock)(void);
+        int (*set_wallclock)(unsigned long nowtime);
 };
 
 extern struct x86_init_ops x86_init;