Re: [PATCH v2] rtc: s35390a: Change buf's type to u8 in s35390a_init

From: Alexandre Belloni
Date: Mon Oct 22 2018 - 13:30:49 EST


On 19/10/2018 13:43:45-0700, Nathan Chancellor wrote:
> Clang warns:
>
> drivers/rtc/rtc-s35390a.c:124:27: warning: implicit conversion from
> 'int' to 'char' changes value from 192 to -64 [-Wconstant-conversion]
> buf = S35390A_FLAG_RESET | S35390A_FLAG_24H;
> ~ ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
> 1 warning generated.
>
> Update buf to be an unsigned 8-bit integer, which matches the buf member
> in struct i2c_msg.
>
> https://github.com/ClangBuiltLinux/linux/issues/145
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> ---
>
> v1 -> v2:
>
> * Use u8 instead of unsigned char, as it's clearer that this is an
> integer value and it's shorter.
>
> drivers/rtc/rtc-s35390a.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Applied, thanks.

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