On 06/07/2017 at 07:54:58 +0200, Heiner Kallweit wrote:
> Am 06.07.2017 um 06:24 schrieb Stephen Rothwell:
> > Hi Alexandre,
> >
> > After merging the rtc tree, today's linux-next build (powerpc
> > ppc64_defconfig) produced this warning:
> >
> > drivers/rtc/rtc-ds1307.c: In function 'ds1307_get_time':
> > drivers/rtc/rtc-ds1307.c:342:26: warning: unused variable 'chip' [-Wunused-variable]
> > const struct chip_desc *chip = &chips[ds1307->type];
> > ^
> >
> > Introduced by commit
> >
> > 436c93db60a4 ("rtc: ds1307: factor out century bit handling")
> >
> Right, if RTC_DRV_DS1307 is defined but RTC_DRV_DS1307_CENTURY is not
> then variable chip isn't used in ds1307_get_time.
> We could fix this by simply defining variable chip only if
> RTC_DRV_DS1307_CENTURY is defined.
>
> However the current situation leaves the question why
> RTC_DRV_DS1307_CENTURY isn't set in the ppc64 defconfig.
> This config option should be n only temporarily if a system has
> to be fixed, see description of this option.
> Maybe we should set this config option to "default y" ?
>
Well, the code would still have to be fixed.
> Rgds, Heiner
--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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