On Wed, Jan 4, 2017 at 12:06 AM, Laurent Pinchart
<laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote:
> The driver considers all negative or zero values of the port_reg field
> as invalid. The four platforms that set the field to a register address
> all use an address higher than 0x7fffffff, which is thus considered by
> the driver as invalid. The feature is thus never used, remove it.
Yeah, it's been broken since v3.1
(commit 514820eb982eb856 ("serial: sh-sci: Consolidate RXD pin handling")).
> The feature could be implemented properly in the future using the
> pinctrl and GPIO APIs if desired.
>
> While at it, don't set the field to SCIx_NOT_SUPPORTED (-1) either,
> leaving it unset leads to the same result. This will allow removing the
> SCIx_NOT_SUPPORTED macro.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
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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