linux-kernel - Re: [RESEND PATCH v2 1/3] video: ssd1307fb: Use gpiod_set_value

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Message-Id: <20181008105310eucas1p1347f43171fe1e7cc8122711927a30bb0~bnLLu5wP61861618616eucas1p1i@eucas1p1.samsung.com>
Date:   Mon, 8 Oct 2018 12:53:08 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Michal Vokáč <michal.vokac@...ft.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Fabio Estevam <fabio.estevam@....com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org
Subject: Re: [RESEND PATCH v2 1/3] video: ssd1307fb: Use
 gpiod_set_value_cansleep() for reset


On 09/27/2018 11:24 AM, Michal Vokáč wrote:
> The reset signal can be produced by GPIO expander that can sleep.
> In that case the probe function fails. Allow using GPIO expanders for
> the reset signal by using the non-atomic gpiod_set_value_cansleep()
> function.
> 
> Signed-off-by: Michal Vokáč <michal.vokac@...ft.com>
> Reviewed-by: Fabio Estevam <fabio.estevam@....com>

Patch queued for 4.20, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics