Re: [PATCH 5/8] gpio: exar: Fix reading of directions and values

[Andy Shevchenko]

On Thu, May 18, 2017 at 1:16 PM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote:
> On 2017-05-18 12:11, Andy Shevchenko wrote:
>> On Thu, May 18, 2017 at 8:20 AM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote:

>> Full picture:
>>
>>  val = exar_get(chip, addr) & BIT(offset % 8);
>>
>>  return !!val;
>>
>> How it could be non-(1 or 0)?
>>
>
> Right - but what is the point of that other style?

gpio-exar.c is just 4th module which is using it, OTOH the rest of
GPIO drivers are using return !!val style.


-- 
With Best Regards,
Andy Shevchenko