linux-kernel - Re: [PATCH 2/2] pinctrl: mediatek: add input-enable and direction setting for eint resources

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Message-ID: <CACRpkdYeyAejh5Dtw7SKb7o790PcQgnz4tWpT+79hQ2_H6Lj5Q@mail.gmail.com>
Date:	Fri, 19 Feb 2016 00:31:03 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Biao Huang <biao.huang@...iatek.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-mediatek@...ts.infradead.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	srv_heupstream@...iatek.com,
	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	Hongzhou Yang <hongzhou.yang@...iatek.com>,
	Eddie Huang <eddie.huang@...iatek.com>
Subject: Re: [PATCH 2/2] pinctrl: mediatek: add input-enable and direction
 setting for eint resources

On Tue, Feb 16, 2016 at 8:16 PM, Biao Huang <biao.huang@...iatek.com> wrote:

> To use pin as eint, user should make sure that:
> 1. pin is set to right mode, this is done in .irq_request_resources
> implementation already.
> 2. direction of the pin is input, which should call GPIO API to set
> pin to input gpio.
> We add what step 2 do to .irq_request_resources so that user doesn't
> need call GPIO API any more when pin for eint usage.
>
> Signed-off-by: Biao Huang <biao.huang@...iatek.com>

Patch applied.

Yours,
Linus Walleij