linux-kernel - Re: [PATCH 2/3] mmc: core: API for temporarily disabling auto-retuning due to errors

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Message-ID: <20190519090642.GA2279@kunai>
Date:   Sun, 19 May 2019 11:06:42 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        linux-rockchip@...ts.infradead.org,
        Double Lo <double.lo@...ress.com>, briannorris@...omium.org,
        Madhan Mohan R <madhanmohan.r@...ress.com>, mka@...omium.org,
        Wright Feng <wright.feng@...ress.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Jiong Wu <lohengrin1024@...il.com>,
        Ritesh Harjani <riteshh@...eaurora.org>,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Avri Altman <avri.altman@....com>, Martin Hicks <mort@...k.org>
Subject: Re: [PATCH 2/3] mmc: core: API for temporarily disabling
 auto-retuning due to errors


> Let's add an API that the SDIO card drivers can call that will
> temporarily disable the auto-tuning functionality.  Then we can add a
> call to this in the Broadcom WiFi driver and any other driver that
> might have similar needs.

Can't you fix the WiFi driver to return something else than -EILSEQ
before calling mmc_request_done() to skip the retuning?


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