linux-kernel - Re: [PATCH v2 3/3] serial: sh-sci: Add support to deassert/assert reset line

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Message-ID: <8c3107537be9bc430de5547ce4ab168b9705cc12.camel@pengutronix.de>
Date:   Tue, 09 Nov 2021 13:21:17 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>
Cc:     linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v2 3/3] serial: sh-sci: Add support to deassert/assert
 reset line

On Tue, 2021-11-09 at 12:16 +0000, Lad Prabhakar wrote:
> On RZ/G2L SoC we need to explicitly deassert the reset line
> for the device to work, use this opportunity to deassert/assert
> reset line in sh-sci driver.
> 
> This patch adds support to read the "resets" property (if available)
> from DT and perform deassert/assert when required.
> 
> Also, propagate the error to the caller of sci_parse_dt() instead of
> returning NULL in case of failure.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Biju Das <biju.das.jz@...renesas.com>

Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>

regards
Philipp