linux-kernel - Re: [PATCH] gpio: aspeed: fix ast2600 bank properties

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Date:   Thu, 17 Sep 2020 08:42:27 +0930
From:   "Andrew Jeffery" <andrew@...id.au>
To:     "Tao Ren" <rentao.bupt@...il.com>,
        "Linus Walleij" <linus.walleij@...aro.org>,
        "Bartosz Golaszewski" <bgolaszewski@...libre.com>,
        "Joel Stanley" <joel@....id.au>, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org, "Tao Ren" <taoren@...com>
Subject: Re: [PATCH] gpio: aspeed: fix ast2600 bank properties



On Thu, 17 Sep 2020, at 06:12, rentao.bupt@...il.com wrote:
> From: Tao Ren <rentao.bupt@...il.com>
> 
> GPIO_U is mapped to the least significant byte of input/output mask, and
> the byte in "output" mask should be 0 because GPIO_U is input only. All
> the other bits need to be 1 because GPIO_V/W/X support both input and
> output modes.
> 
> Similarly, GPIO_Y/Z are mapped to the 2 least significant bytes, and the
> according bits need to be 1 because GPIO_Y/Z support both input and
> output modes.
> 
> Fixes: ab4a85534c3e ("gpio: aspeed: Add in ast2600 details to Aspeed driver")
> Signed-off-by: Tao Ren <rentao.bupt@...il.com>

Thanks Tao,

Reviewed-by: Andrew Jeffery <andrew@...id.au>