linux-kernel - Re: [PATCH v3 mvebu + mvebu/dt64 1/6] firmware: turris-mox-rwtm: fix reply status decoding function

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Date:   Wed, 12 May 2021 02:49:53 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Pali Rohár <pali@...nel.org>
Cc:     Gregory CLEMENT <gregory.clement@...tlin.com>,
        Marek Behún <kabel@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 mvebu + mvebu/dt64 1/6] firmware: turris-mox-rwtm: fix
 reply status decoding function

On Thu, May 06, 2021 at 11:07:57AM +0200, Pali Rohár wrote:
> From: Marek Behún <kabel@...nel.org>
> 
> The status decoding function mox_get_status() currently contains an
> incorrect check: if the error status is not MBOX_STS_SUCCESS, it always
> returns -EIO, so the comparison to MBOX_STS_FAIL is never executed and
> we don't get the actual error code sent by the firmware.
> 
> Fix this.
> 
> Signed-off-by: Marek Behún <kabel@...nel.org>
> Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver")

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew