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x86: Move get/set_wallclock to x86_platform_ops

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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>
This commit is contained in:
Feng Tang
2009-09-10 10:48:56 +08:00
committed by Thomas Gleixner
parent 54e2603f1a
commit 7bd867dfb4
12 changed files with 21 additions and 83 deletions
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arch/x86/kernel/rtc.c
+4 -8
View File
@@ -8,6 +8,7 @@
#include <linux/pnp.h>
#include <asm/vsyscall.h>
#include <asm/x86_init.h>
#include <asm/time.h>
#ifdef CONFIG_X86_32
@@ -165,13 +166,13 @@ void rtc_cmos_write(unsigned char val, unsigned char addr)
}
EXPORT_SYMBOL(rtc_cmos_write);
static int set_rtc_mmss(unsigned long nowtime)
int update_persistent_clock(struct timespec now)
{
unsigned long flags;
int retval;
spin_lock_irqsave(&rtc_lock, flags);
retval = set_wallclock(nowtime);
retval = x86_platform.set_wallclock(now.tv_sec);
spin_unlock_irqrestore(&rtc_lock, flags);
return retval;
@@ -183,17 +184,12 @@ unsigned long read_persistent_clock(void)
unsigned long retval, flags;
spin_lock_irqsave(&rtc_lock, flags);
retval = get_wallclock();
retval = x86_platform.get_wallclock();
spin_unlock_irqrestore(&rtc_lock, flags);
return retval;
}
int update_persistent_clock(struct timespec now)
{
return set_rtc_mmss(now.tv_sec);
}
unsigned long long native_read_tsc(void)
{
return __native_read_tsc();