Re: [PATCH 1/2] pinctrl: pinctrl-single: Make sure we do not changebits outside of mask

From: Linus Walleij
Date: Fri Sep 07 2012 - 17:12:59 EST


On Thu, Sep 6, 2012 at 8:59 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> * Peter Ujfalusi <peter.ujfalusi@xxxxxx> [120905 02:02]:
>> Use the pcs->fmask to make sure that the value is not changing (setting)
>> bits in areas where it should not.
>> To avoid situations like this:
>>
>> pmx_dummy: pinmux@4a100040 {
>> compatible = "pinctrl-single";
>> reg = <0x4a100040 0x0196>;
>> #address-cells = <1>;
>> #size-cells = <0>;
>> pinctrl-single,register-width = <16>;
>> pinctrl-single,function-mask = <0x00ff>;
>> };
>>
>> &pmx_dummy {
>> pinctrl-names = "default";
>> pinctrl-0 = <&board_pins>;
>>
>> board_pins: pinmux_board_pins {
>> pinctrl-single,pins = <
>> 0x6c 0xf0f
>> 0x6e 0x10f
>> 0x70 0x23f
>> 0x72 0xa5f
>> >;
>> };
>> };
>>
>> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
>
> Thanks this is a valid fix:
>
> Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>

Since nothing in v3.6 is using pinctrl-simple yet, it's not a regression
right?

So can you just group this with the other pinctrl things you are
harvesting in the OMAP tree? I was going to push it for
the v3.7 cycle otherwise.

Yours,
Linus Walleij
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