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From:   Fabio Estevam <festevam@gmail.com>
Date:   Mon, 21 Jan 2019 15:52:14 -0200
Message-ID: <CAOMZO5DDM5=ZL8_-JZpX23ChoKhuBY7-bNaTE7JjDW0jwsHb4A@mail.gmail.com>
Subject: Re: [PATCH] ARM: dts: n900: fix mmc1 card detect gpio polarity
To:     Arthur Demchenkov <spinal.by@gmail.com>
Cc:     bcousson@baylibre.com, Tony Lindgren <tony@atomide.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        linux-omap@vger.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        linux-kernel <linux-kernel@vger.kernel.org>
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On Mon, Jan 21, 2019 at 5:43 AM Arthur Demchenkov <spinal.by@gmail.com> wrote:
>
> Wrong polarity of card detect GPIO pin leads to the system not
> booting from external mmc, if the back cover of N900 is closed.
> When the cover is open the system boots fine.
>
> This wasn't noticed before, because of a bug, which was fixed
> by commit e63201f19 (mmc: omap_hsmmc: Delete platform data GPIO
> CD and WP).
>
> Kernels up to 4.19 ignored the card detect GPIO from DT.

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