On Wed, Jan 4, 2017 at 12:06 AM, Laurent Pinchart
<laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote:
> The sh-sci driver implements manual break debouncing for a few SH
> platforms by reading the value of the RX pin port register. This feature
> is optional and the driver considers all negative or zero values of the
> platform data port_reg field as invalid. As the four platforms that set
> the field to a register address all use an address higher than
> 0x7fffffff, the driver will always consider the value as invalid and
> never perform debouncing. The feature is unused, remove it.
>
> Debouncing could be implemented properly in the future using the pinctrl
> and GPIO APIs if desired.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> --- a/include/linux/serial_sci.h
> +++ b/include/linux/serial_sci.h
> @@ -41,8 +39,6 @@ enum {
> SCIx_NR_REGTYPES,
> };
>
> -struct device;
> -
<ignore_me>
Unrelated change (missed in commit 937bb6e4c676 ("serial: sh-sci: don't
filter on DMA device, use only channel ID")
</ignore_me>
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
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