Re: [PATCH 2/2] pinctrl: sh-pfc: IPSRx and MOD_SELx should be set before GPSRx

From: Geert Uytterhoeven
Date: Wed Mar 16 2016 - 04:32:40 EST


Hi Morimoto-san,

On Wed, Mar 16, 2016 at 1:48 AM, Kuninori Morimoto
<kuninori.morimoto.gx@xxxxxxxxxxx> wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
>
> Gen2 / Gen3 datasheet will have below note in next version.
> This patch follows this note.
>
> IPSRx and MOD_SELx registers shall be set before setting GPSRx
> registers in case that they need to be configured.
> MOD_SELx registers can be set either earlier or later than setting
> IPSRx registers.

Does this note apply to R-Car Gen1 and SH7734, too?
Both use the PINMUX_IPSR_MSEL() macro.

> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> ---
> drivers/pinctrl/sh-pfc/sh_pfc.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
> index 2b593fc..f174d61 100644
> --- a/drivers/pinctrl/sh-pfc/sh_pfc.h
> +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
> @@ -279,7 +279,7 @@ struct sh_pfc_soc_info {
> * - msel: Module selector
> */
> #define PINMUX_IPSR_MSEL(ipsr, fn, msel) \
> - PINMUX_DATA(fn##_MARK, FN_##msel, FN_##ipsr, FN_##fn)
> + PINMUX_DATA(fn##_MARK, FN_##msel, FN_##fn, FN_##ipsr)

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