linux-kernel - Re: [PATCH V7 0/3] mmc: mmci: add busy detect for stm32 sdmmc variant

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Message-ID: <CAPDyKFrKrV3e6WmrgzUA0OV4VGm0BMXr0=orogAhHQM3nRpxqQ@mail.gmail.com>
Date:   Wed, 9 Oct 2019 11:12:14 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Ludovic Barre <ludovic.Barre@...com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH V7 0/3] mmc: mmci: add busy detect for stm32 sdmmc variant

On Tue, 8 Oct 2019 at 11:56, Ludovic Barre <ludovic.Barre@...com> wrote:
>
> From: Ludovic Barre <ludovic.barre@...com>
>
> This patch series adds busy detect for stm32 sdmmc variant.
> Some adaptations are required:
> -On sdmmc the data timer is started on data transfert
> and busy state, so we must add hardware busy timeout support.
> -Add busy_complete callback at mmci_host_ops to allow to define
> a specific busy completion by variant.
> -Add sdmmc busy_complete callback.
>
> V7:
> -Patch 1/3: rephrasing like proposed (thx ulf)
> -If busy timeout is undefined => increase to 10s
> -Keep busy_detect.
> -Patch 3/3: rephrasing comment header
> -Avoid twice read of status register
> -Avoid writing in MMCIMASK0 & MMCICLEAR if not modified
>

Applied for next, thanks!

[...]

Kind regards
Uffe