Re: [PATCH v3 1/4] auxdisplay: Add 7-segment LED display driver

[Andy Shevchenko]

+Cc: Rasmus, Yury

On Sun, Mar 3, 2024 at 9:58 PM Chris Packham
<Chris.Packham@xxxxxxxxxxxxxxxxxxx> wrote:
> On 2/03/24 07:18, Andy Shevchenko wrote:

..

> >> +    DECLARE_BITMAP(values, 8);
> >> +    bitmap_zero(values, 8);
> > Why do you need this zeroing?
> >
> >> +    bitmap_set_value8(values, map_to_seg7(&map->map.seg7, linedisp->buf[0]), 0);

> Without the zeroing above GCC complains about use  of a potentially
> uninitialized variable here. I think because bitmap_set_value8() does &=
> and |=.

Hmm... Rasmus, Yury, do we have any ideas how to get rid of this redundancy?

-- 
With Best Regards,
Andy Shevchenko