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| author | Arnd Bergmann <arnd@arndb.de> | 2018-04-23 10:36:41 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 20:43:34 +1000 |
| commit | 5235afa89a246c9d5ab35996bc38681c474c3ed7 (patch) | |
| tree | 63504f5f9900aabca30cb26005248ceb85cf198b /arch/powerpc/platforms/powermac | |
| parent | 5bfd643583b2e2a203163fd6b617cd9027054200 (diff) | |
| download | talos-obmc-linux-5235afa89a246c9d5ab35996bc38681c474c3ed7.tar.gz talos-obmc-linux-5235afa89a246c9d5ab35996bc38681c474c3ed7.zip | |
powerpc: use time64_t in update_persistent_clock
update_persistent_clock() is deprecated because it suffers from overflow
in 2038 on 32-bit architectures. This changes powerpc to use the
update_persistent_clock64() replacement, and to pass down 64-bit
timestamps consistently.
This is now simpler, as we no longer have to worry about the offset
numbers in tm_year and tm_mon that are different between the Linux
conventions and RTAS.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/powermac')
| -rw-r--r-- | arch/powerpc/platforms/powermac/time.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c index d5d1c452038e..7c968e46736f 100644 --- a/arch/powerpc/platforms/powermac/time.c +++ b/arch/powerpc/platforms/powermac/time.c @@ -84,15 +84,6 @@ long __init pmac_time_init(void) return delta; } -#if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU) || \ - defined(CONFIG_PMAC_SMU) -static unsigned long from_rtc_time(struct rtc_time *tm) -{ - return mktime(tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, - tm->tm_hour, tm->tm_min, tm->tm_sec); -} -#endif - #ifdef CONFIG_ADB_CUDA static time64_t cuda_get_time(void) { @@ -115,10 +106,10 @@ static time64_t cuda_get_time(void) static int cuda_set_rtc_time(struct rtc_time *tm) { - unsigned int nowtime; + time64_t nowtime; struct adb_request req; - nowtime = from_rtc_time(tm) + RTC_OFFSET; + nowtime = rtc_tm_to_time64(tm) + RTC_OFFSET; if (cuda_request(&req, NULL, 6, CUDA_PACKET, CUDA_SET_TIME, nowtime >> 24, nowtime >> 16, nowtime >> 8, nowtime) < 0) @@ -158,10 +149,10 @@ static time64_t pmu_get_time(void) static int pmu_set_rtc_time(struct rtc_time *tm) { - unsigned int nowtime; + time64_t nowtime; struct adb_request req; - nowtime = from_rtc_time(tm) + RTC_OFFSET; + nowtime = rtc_tm_to_time64(tm) + RTC_OFFSET; if (pmu_request(&req, NULL, 5, PMU_SET_RTC, nowtime >> 24, nowtime >> 16, nowtime >> 8, nowtime) < 0) return -ENXIO; |
