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Date:   Mon, 20 May 2019 10:52:01 +0200
From:   Wolfram Sang <wsa@the-dreams.de>
To:     Arend Van Spriel <arend.vanspriel@broadcom.com>
Cc:     Douglas Anderson <dianders@chromium.org>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Kalle Valo <kvalo@codeaurora.org>,
        Adrian Hunter <adrian.hunter@intel.com>,
        linux-rockchip@lists.infradead.org,
        Double Lo <double.lo@cypress.com>, briannorris@chromium.org,
        Madhan Mohan R <madhanmohan.r@cypress.com>, mka@chromium.org,
        Wright Feng <wright.feng@cypress.com>,
        Chi-Hsien Lin <chi-hsien.lin@cypress.com>,
        Jiong Wu <lohengrin1024@gmail.com>,
        Ritesh Harjani <riteshh@codeaurora.org>,
        linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
        Shawn Lin <shawn.lin@rock-chips.com>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Avri Altman <avri.altman@wdc.com>, Martin Hicks <mort@bork.org>
Subject: Re: [PATCH 2/3] mmc: core: API for temporarily disabling
 auto-retuning due to errors
Message-ID: <20190520085201.GA1021@kunai>
References: <20190517225420.176893-1-dianders@chromium.org>
 <20190517225420.176893-3-dianders@chromium.org>
 <20190519090642.GA2279@kunai>
 <36cae1d3-f11c-3c71-3f04-23fdc74f8866@broadcom.com>
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On Mon, May 20, 2019 at 10:46:19AM +0200, Arend Van Spriel wrote:
> On 5/19/2019 11:06 AM, Wolfram Sang wrote:
> >=20
> > > 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.
> >=20
> > Can't you fix the WiFi driver to return something else than -EILSEQ
> > before calling mmc_request_done() to skip the retuning?
>=20
> Not really. mmc_request_done() is for the host controller driver so the w=
ifi
> driver is not involved.

Uh, right. Brown paper bag, please...


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