linux-kernel - Re: [PATCH v3 5/5] pinctrl: sunxi: Use pin number when calling sunxi_pmx

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Message-ID: <20160205111549.GC31506@lukather>
Date:	Fri, 5 Feb 2016 12:15:49 +0100
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Krzysztof Adamski <k@...ko.eu>
Cc:	inus Walleij <linus.walleij@...aro.org>,
	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-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v3 5/5] pinctrl: sunxi: Use pin number when calling
 sunxi_pmx_set

On Thu, Feb 04, 2016 at 12:33:50AM +0100, Krzysztof Adamski wrote:
> sunxi_pmx_set accepts pin number and then calculates offset by
> subtracting pin_base from it. sunxi_pinctrl_gpio_get, on the other hand,
> gets offset so we have to convert it to pin number so we won't get
> negative value in sunxi_pmx_set.
> 
> This was only used on A10 so far, where there is only one GPIO chip with
> pin_base set to 0 so it didn't matter. However H3 also requires this
> workaround but have two pinmux sections, triggering problem for PL port.
> 
> Signed-off-by: Krzysztof Adamski <k@...ko.eu>

Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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