netdev - Re: [PATCH] can: rcar_canfd: Add missing ECC error checks for channels 2-7

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Message-ID: <20221028102932.lfwrm3ahhhgtndsu@pengutronix.de>
Date:   Fri, 28 Oct 2022 12:29:32 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Wolfgang Grandegger <wg@...ndegger.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Ulrich Hecht <uli+renesas@...nd.eu>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH] can: rcar_canfd: Add missing ECC error checks for
 channels 2-7

On 28.10.2022 12:06:45, Geert Uytterhoeven wrote:
> When introducing support for R-Car V3U, which has 8 instead of 2
> channels, the ECC error bitmask was extended to take into account the
> extra channels, but rcar_canfd_global_error() was not updated to act
> upon the extra bits.
> 
> Replace the RCANFD_GERFL_EEF[01] macros by a new macro that takes the
> channel number, fixing R-Car V3U while simplifying the code.
> 
> Fixes: 45721c406dcf50d4 ("can: rcar_canfd: Add support for r8a779a0 SoC")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Is this stable material?

Marc

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