Use %ptR instead of open coded variant to print content of struct rtc_time in human readable format. Cc: linux-pm@xxxxxxxxxxxxxxx Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/base/power/trace.c | 4 +--- kernel/power/Kconfig | 1 + 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c index 1cda505d6a85..b11f47a1e819 100644 --- a/drivers/base/power/trace.c +++ b/drivers/base/power/trace.c @@ -118,9 +118,7 @@ static unsigned int read_magic_time(void) unsigned int val; mc146818_get_time(&time); - pr_info("RTC time: %2d:%02d:%02d, date: %02d/%02d/%02d\n", - time.tm_hour, time.tm_min, time.tm_sec, - time.tm_mon + 1, time.tm_mday, time.tm_year % 100); + pr_info("RTC time: %ptRt, date: %ptRd\n", &time, &time); val = time.tm_year; /* 100 years */ if (val > 100) val -= 100; diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index e880ca22c5a5..f73cecd3b75f 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -220,6 +220,7 @@ config PM_TRACE_RTC depends on PM_SLEEP_DEBUG depends on X86 select PM_TRACE + select PRINTK_PEXT_TIMEDATE ---help--- This enables some cheesy code to save the last PM event point in the RTC across reboots, so that you can debug a machine that just hangs -- 2.15.1