From: Ulf Hansson <ulf.hansson@linaro.org>
To: Ludovic Barre <ludovic.barre@st.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Srini Kandagatla <srinivas.kandagatla@linaro.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
DTML <devicetree@vger.kernel.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [PATCH V2 1/2] mmc: mmci_sdmmc: fix clear busyd0end irq flag
Date: Thu, 26 Mar 2020 15:28:09 +0100 [thread overview]
Message-ID: <CAPDyKFo-Lgikwf=PUAd1naXxiyn=z425sTXX9O39__Xi39oUYQ@mail.gmail.com> (raw)
In-Reply-To: <20200325143409.13005-2-ludovic.barre@st.com>
On Wed, 25 Mar 2020 at 15:34, Ludovic Barre <ludovic.barre@st.com> wrote:
>
> The busyd0 line transition can be very fast. The busy request
> may be completed by busy_d0end without wait the busy_d0 steps.
> The busyd0end irq flag must be cleared even if no busy_status.
>
> Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Applied for next, by adding a fixes+stable tag, thanks!
Kind regards
Uffe
> ---
> drivers/mmc/host/mmci_stm32_sdmmc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c
> index f76e82f8f12f..d33e62bd6153 100644
> --- a/drivers/mmc/host/mmci_stm32_sdmmc.c
> +++ b/drivers/mmc/host/mmci_stm32_sdmmc.c
> @@ -358,11 +358,11 @@ static bool sdmmc_busy_complete(struct mmci_host *host, u32 status, u32 err_msk)
> if (host->busy_status) {
> writel_relaxed(mask & ~host->variant->busy_detect_mask,
> base + MMCIMASK0);
> - writel_relaxed(host->variant->busy_detect_mask,
> - base + MMCICLEAR);
> host->busy_status = 0;
> }
>
> + writel_relaxed(host->variant->busy_detect_mask, base + MMCICLEAR);
> +
> return true;
> }
>
> --
> 2.17.1
>
next prev parent reply other threads:[~2020-03-26 14:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-25 14:34 [PATCH V2 0/2] mmc: mmci_sdmmc: fixes and improvements Ludovic Barre
2020-03-25 14:34 ` [PATCH V2 1/2] mmc: mmci_sdmmc: fix clear busyd0end irq flag Ludovic Barre
2020-03-26 14:28 ` Ulf Hansson [this message]
2020-03-25 14:34 ` [PATCH V2 2/2] mmc: mmci: initialize pwr|clk|datactrl_reg with their hardware values Ludovic Barre
2020-03-26 14:27 ` Ulf Hansson
2020-04-01 14:56 ` Ludovic BARRE
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