Re: [PATCH 2/3] ARM: ixp4xx: avoid warning about ioport_map() macro argument processing
From: Krzysztof HaÅasa
Date: Mon Feb 15 2016 - 02:07:40 EST
Arnd Bergmann <arnd@xxxxxxxx> writes:
> We get a harmless compiler warning when building the cs89x0 driver
> for ixp4xx:
>
> drivers/net/ethernet/cirrus/cs89x0.c: In function 'cs89x0_ioport_probe':
> drivers/net/ethernet/cirrus/cs89x0.c:1602:28: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
> io_mem = ioport_map(ioport & ~3, NETCARD_IO_EXTENT);
>
> Simply adding parentheses in the macro avoids the warning
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> arch/arm/mach-ixp4xx/include/mach/io.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Acked-by: Krzysztof HaÅasa <khalasa@xxxxxxx>
--
Krzysztof Halasa
Industrial Research Institute for Automation and Measurements PIAP
Al. Jerozolimskie 202, 02-486 Warsaw, Poland