linux-kernel - Re: [PATCH v2] pinctrl: sunxi: H3 requires irq_read_needs

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Message-ID: <CAGb2v65ZTBQZhFvesHPdwXDbwuVWcOQ+KUu82DWae6K8ycAxMA@mail.gmail.com>
Date:	Fri, 5 Feb 2016 21:51:56 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Krzysztof Adamski <k@...ko.eu>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
	Jens Kuske <jenskuske@...il.com>,
	Fabian Frederick <fabf@...net.be>,
	Vishnu Patekar <vishnupatekar0510@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [PATCH v2] pinctrl: sunxi: H3 requires irq_read_needs_mux

On Fri, Feb 5, 2016 at 9:39 PM, Linus Walleij <linus.walleij@...aro.org> wrote:
> On Wed, Feb 3, 2016 at 8:57 AM, Krzysztof Adamski <k@...ko.eu> wrote:
>
>> It seems that on H3, just like on A10, when GPIOs are configured as
>> external interrupt data registers does not contain their value.  When
>> value is read, GPIO function must be temporary switched to input for
>> reads.
>>
>> Signed-off-by: Krzysztof Adamski <k@...ko.eu>
>
> 1. Waiting for Maxime's ACK on this patch.

Maxime already acked v1.

Acked-by: Chen-Yu Tsai <wens@...e.org>

> 2. Is this a regression that need to go in to fixes?

This driver was introduced in 4.5-rc1. It'd be nice if this fix could make
it in 4.5. :)


Thanks
ChenYu