Patchwork PPC: set default date on PPC without RTC

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Submitter Wladislav Wiebe
Date Sept. 11, 2013, 5:53 p.m.
Message ID <5230AE03.6000202@gmail.com>
Download mbox | patch
Permalink /patch/274346/
State New
Headers show

Comments

Wladislav Wiebe - Sept. 11, 2013, 5:53 p.m.
Hi,

no matter anymore - got it:



On 11/09/13 11:39, Wladislav Wiebe wrote:
> Hello guys,
> 
> would like to ask if there is a proper possibility on PPC to
> set default date (basically the year). The board has no RTC chip,
> and I would need instead of 1970 another year.
> 
> For some reason does e.g:
> --- a/linux/arch/powerpc/kernel/time.c
> +++ b/linux/arch/powerpc/kernel/time.c
> @@ -1099,7 +1099,7 @@ void __init time_init(void)
> 
> 
>  #define FEBRUARY       2
> -#define        STARTOFTIME     1970
> +#define        STARTOFTIME     2013
>  #define SECDAY         86400L
>  #define SECYR          (SECDAY * 365)
>  #define        leapyear(year)          ((year) % 4 == 0 && \
> 
> 
> not work to me. Is there also another place which should be changed?
> (I know it can be changed from userspace also, but I would need it before userspace)
> 
> 
> Thanks and BR,
> Wladislav Wiebe
>

Patch

--- a/linux/arch/powerpc/kernel/time.c
+++ b/linux/arch/powerpc/kernel/time.c
@@ -832,7 +832,7 @@  static void __read_persistent_clock(struct timespec *ts)
 		}
 	}
 	if (!ppc_md.get_rtc_time) {
-		ts->tv_sec = 0;
+		ts->tv_sec = mktime(2011, 1, 1, 0, 0, 0);
 		return;
 	}
 	ppc_md.get_rtc_time(&tm);