From: Ludovic Barre <ludovic.Barre@st.com>
To: Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org>
Cc: <srinivas.kandagatla@linaro.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-mmc@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
Ludovic Barre <ludovic.barre@st.com>
Subject: [PATCH 0/4] mmc: mmci: add busy detect for stm32 sdmmc variant
Date: Tue, 5 Mar 2019 17:10:01 +0100 [thread overview]
Message-ID: <1551802205-32188-1-git-send-email-ludovic.Barre@st.com> (raw)
From: Ludovic Barre <ludovic.barre@st.com>
This patch series adds busy detect for stm32 sdmmc variant.
Some adaptations are required:
-Avoid to check and poll busy status when is not expected.
-Clear busy status bit if busy_detect_flag and busy_detect_mask are
different.
-Add hardware busy timeout with MMCIDATATIMER register.
Ludovic Barre (4):
mmc: mmci: avoid fake busy polling
mmc: mmci: fix clear of busy detect status
mmc: mmci: add hardware busy timeout feature
mmc: mmci: add busy detect for stm32 sdmmc variant
drivers/mmc/host/mmci.c | 67 +++++++++++++++++++++++++++++++++++++++----------
drivers/mmc/host/mmci.h | 3 +++
2 files changed, 57 insertions(+), 13 deletions(-)
--
2.7.4
next reply other threads:[~2019-03-05 16:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-05 16:10 Ludovic Barre [this message]
2019-03-05 16:10 ` [PATCH 1/4] mmc: mmci: avoid fake busy polling Ludovic Barre
2019-03-06 9:00 ` Ulf Hansson
2019-03-06 9:04 ` Ludovic BARRE
2019-03-06 9:49 ` Ulf Hansson
2019-03-06 10:08 ` Ludovic BARRE
2019-03-07 9:39 ` Linus Walleij
2019-04-23 13:39 ` Ulf Hansson
2019-04-25 9:22 ` Ludovic BARRE
2019-04-25 10:08 ` Ulf Hansson
2019-04-25 14:09 ` Ludovic BARRE
2019-04-25 21:32 ` Ulf Hansson
2019-03-05 16:10 ` [PATCH 2/4] mmc: mmci: fix clear of busy detect status Ludovic Barre
2019-03-05 16:10 ` [PATCH 3/4] mmc: mmci: add hardware busy timeout feature Ludovic Barre
2019-03-05 16:10 ` [PATCH 4/4] mmc: mmci: add busy detect for stm32 sdmmc variant Ludovic Barre
2019-04-11 12:37 ` [PATCH 0/4] " Ludovic BARRE
2019-04-11 13:29 ` Ulf Hansson
2019-04-11 13:51 ` Ludovic BARRE
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