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Message-ID: <16b334cd9f8.2764.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com>
Date:   Fri, 07 Jun 2019 20:56:43 +0200
From:   Arend Van Spriel <arend.vanspriel@...adcom.com>
To:     Doug Anderson <dianders@...omium.org>
CC:     Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        <brcm80211-dev-list.pdl@...adcom.com>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Double Lo <double.lo@...ress.com>,
        Brian Norris <briannorris@...omium.org>,
        "linux-wireless" <linux-wireless@...r.kernel.org>,
        Naveen Gupta <naveen.gupta@...ress.com>,
        Madhan Mohan R <madhanmohan.r@...ress.com>,
        Matthias Kaehlcke <mka@...omium.org>,
        Wright Feng <wright.feng@...ress.com>,
        "Chi-Hsien Lin" <chi-hsien.lin@...ress.com>,
        netdev <netdev@...r.kernel.org>,
        "brcm80211-dev-list" <brcm80211-dev-list@...ress.com>,
        "David S. Miller" <davem@...emloft.net>,
        Franky Lin <franky.lin@...adcom.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Michael Trimarchi <michael@...rulasolutions.com>
Subject: Re: [PATCH v2 3/3] brcmfmac: sdio: Disable auto-tuning around commands expected to fail

On June 7, 2019 8:06:30 PM Doug Anderson <dianders@...omium.org> wrote:

> Hi,
>
> On Fri, Jun 7, 2019 at 6:32 AM Arend Van Spriel
> <arend.vanspriel@...adcom.com> wrote:
>>
>> Right. I know it supports initial tuning, but I'm not sure about subsequent
>> retuning initiated by the host controller.
>
> My evidence says that it supports subsequent tuning.  In fact, without
> this series my logs would be filled with:
>
>   dwmmc_rockchip ff0d0000.dwmmc: Successfully tuned phase to XYZ
>
> ...where the phase varied by a few degrees each time.  AKA: it was
> retuning over and over again and getting sane results which implies
> that the tuning was working just fine.

Ok. Thanks for confirming this.

Regards,
Arend


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