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Date: Wed, 5 Sep 2012 14:10:59 +0200 From: Linus Walleij <linus.walleij@...aro.org> To: Peter Ujfalusi <peter.ujfalusi@...com> Cc: Tony Lindgren <tony@...mide.com>, linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org Subject: Re: [PATCH 0/2] pinctrl: pinctrl-single: new type: pinctrl-single,bits On Wed, Sep 5, 2012 at 11:01 AM, Peter Ujfalusi <peter.ujfalusi@...com> wrote: > When configuring pinmux with pinctrl-single there could be a case when one > register is used to configure mux for more than one pin. > In this case the use of pinctrl-single,pins is a bit problematic since we can > only update the whole register (restricted by the mask). > In such a situations the pinctrl-single,bits could provide a safe way to handle > the mux. > > pinctrl-single,bits takes three parameters: <reg offset, value, sub-mask> > The sub mask is used to mask part of the register to make sure we do not change > bits outside of the scope of this pin. > > The first patch in this series is to fix the previous pinctrl-since,pins > implementation because it was not using the mask on the value which could result > changed bits outside of the mask. This looks sane to me, but I'd like Tony to ACK before I apply it. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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