Re: [PATCH] gpiolib: add GPIO_SET_DEBOUNCE_IOCTL

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Wed, Apr 29, 2020 at 3:09 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> niedz., 19 kwi 2020 o 02:19 Hector Bujanda <hector.bujanda@xxxxxxxx> napisał(a):

...

> Finally: we can extend the gpiohandle_config structure with a field
> containing the debounce time which would be read by the kernel if the
> debounce flag is set in gpiohandle_config.flags.

Don't forget the 64/32 ABI.

The configuration structure has padding / endianess issues

Should be something like

{
u32 x;
u8 y;
u8 padding8[3];
u32 padding32[2*z];
}

I.O.W. each member must have padding / endianess agnostic place along
with whole structure to be multiple of 64-bit words.

-- 
With Best Regards,
Andy Shevchenko