Re: [PATCH V6 4/7] mfd: da9061: MFD core support

From: Geert Uytterhoeven
Date: Tue Mar 28 2017 - 04:37:02 EST


Hi Lee,

On Tue, Mar 28, 2017 at 10:21 AM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
>> [auto build test WARNING on ljones-mfd/for-mfd-next]
>> [also build test WARNING on v4.11-rc4 next-20170327]
>> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>>
>> url: https://github.com/0day-ci/linux/commits/Steve-Twiss/Documentation-devicetree-watchdog-da9062-61-watchdog-timer-binding/20170327-215359
>> base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
>> config: x86_64-randconfig-x009-201713 (attached as .config)
>> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
>> reproduce:
>> # save the attached .config to linux build tree
>> make ARCH=x86_64
>>
>> All warnings (new ones prefixed by >>):
>>
>> drivers//mfd/da9062-core.c: In function 'da9062_i2c_probe':
>> >> drivers//mfd/da9062-core.c:845:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
>> chip->chip_type = (int)match->data;
>> ^
>
> Please use longs or enums.

Enums would still give a warning on 64-bit.
The simple fix is change the cast from (int) to (uintptr_t).

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds