2018-02-21 21:47:28

by Alexandre Belloni

[permalink] [raw]
Subject: [PATCH] powerpc/time: stop validating rtc_time in .read_time

The RTC core is always calling rtc_valid_tm after the read_time callback.
It is not necessary to call it just before returning from the callback.

Signed-off-by: Alexandre Belloni <[email protected]>
---
arch/powerpc/kernel/time.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index a32823dcd9a4..f7d96a68ecaa 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -1234,7 +1234,7 @@ void calibrate_delay(void)
static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
{
ppc_md.get_rtc_time(tm);
- return rtc_valid_tm(tm);
+ return 0;
}

static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
--
2.16.1



2018-03-19 22:26:36

by Michael Ellerman

[permalink] [raw]
Subject: Re: powerpc/time: stop validating rtc_time in .read_time

On Wed, 2018-02-21 at 21:46:33 UTC, Alexandre Belloni wrote:
> The RTC core is always calling rtc_valid_tm after the read_time callback.
> It is not necessary to call it just before returning from the callback.
>
> Signed-off-by: Alexandre Belloni <[email protected]>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/890ae7979758568734881ad0f382c4

cheers