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sh: Wire up GENERIC_CMOS_UPDATE for the platforms that need it.

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Now that everything has converted over to generic timekeeping, we need an
alternate method for keeping the RTC updated for those platforms that are
still using the rtc_sh_get/set_time pairs, presently limited to SH-03 and
the Dreamcast. This wires up the GENERIC_CMOS_UPDATE hooks for those to
maintain the same behaviour.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-05-08 16:36:13 +09:00
parent b179b72fad
commit 6d134b9e8d
2 changed files with 18 additions and 0 deletions
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4
arch/sh/Kconfig
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@ -83,6 +83,10 @@ config GENERIC_CLOCKEVENTS
config GENERIC_CLOCKEVENTS_BROADCAST
bool
config GENERIC_CMOS_UPDATE
def_bool y
depends on SH_SH03 || SH_DREAMCAST
config GENERIC_LOCKBREAK
def_bool y
depends on SMP && PREEMPT

14
arch/sh/kernel/time.c
View file

@ -46,6 +46,20 @@ static int null_rtc_set_time(const time_t secs)
void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time;
int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time;
#ifdef CONFIG_GENERIC_CMOS_UPDATE
unsigned long read_persistent_clock(void)
{
struct timespec tv;
rtc_sh_get_time(&tv);
return tv.tv_sec;
}
int update_persistent_clock(struct timespec now)
{
return rtc_sh_set_time(now.tv_sec);
}
#endif
unsigned int get_rtc_time(struct rtc_time *tm)
{
if (rtc_sh_get_time != null_rtc_get_time) {