Re: [PATCH] rtc: sh: Fix invalid alarm warning for non-enabled alarm

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On 20/03/2019 11:32:14+0100, Geert Uytterhoeven wrote:
> When no alarm has been programmed on RSK-RZA1, an error message is
> printed during boot:
> 
>     rtc rtc0: invalid alarm value: 2019-03-14T255:255:255
> 
> sh_rtc_read_alarm_value() returns 0xff when querying a hardware alarm
> field that is not enabled.  __rtc_read_alarm() validates the received
> alarm values, and fills in missing fields when needed.
> While 0xff is handled fine for the year, month, and day fields, and
> corrected as considered being out-of-range, this is not the case for the
> hour, minute, and second fields, where -1 is expected for missing
> fields.
> 
> Fix this by returning -1 instead, as this value is handled fine for all
> fields.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
>  drivers/rtc/rtc-sh.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
Applied, thanks.

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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