From: Kevin Hilman <khilman@baylibre.com>
To: Rong Chen <rong.chen@amlogic.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Neil Armstrong <narmstrong@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
1131046452@qq.com, linux-mmc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: 45581586@qq.com, Rong Chen <rong.chen@amlogic.com>
Subject: Re: [PATCH v2] mmc: meson: Fix usage of meson_mmc_post_req()
Date: Fri, 18 Feb 2022 16:34:12 -0800 [thread overview]
Message-ID: <7hiltbitiz.fsf@baylibre.com> (raw)
In-Reply-To: <20220216124239.4007667-1-rong.chen@amlogic.com>
Rong Chen <rong.chen@amlogic.com> writes:
> Currently meson_mmc_post_req() is called in meson_mmc_request() right
> after meson_mmc_start_cmd(). This could lead to DMA unmapping before the request
> is actually finished.
>
> To fix, don't call meson_mmc_post_req() until meson_mmc_request_done().
>
> Signed-off-by: Rong Chen <rong.chen@amlogic.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
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next prev parent reply other threads:[~2022-02-19 0:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-16 12:42 [PATCH v2] mmc: meson: Fix usage of meson_mmc_post_req() Rong Chen
2022-02-19 0:34 ` Kevin Hilman [this message]
2022-02-28 17:05 ` Ulf Hansson
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