From: Ludovic Barre <ludovic.Barre@st.com>
To: Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org,
Alexandre Torgue <alexandre.torgue@st.com>,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
srinivas.kandagatla@linaro.org,
Ludovic Barre <ludovic.barre@st.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH V4 0/3] mmc: mmci: add busy detect for stm32 sdmmc variant
Date: Mon, 5 Aug 2019 11:56:23 +0200 [thread overview]
Message-ID: <20190805095626.25998-1-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:
-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 calback.
V4:
-Re-work with busy_complete callback
-In series, move "mmc: mmci: add hardware busy timeout feature" in
first to simplify busy_complete prototype with err_msk parameter.
V3:
-rebase on latest mmc next
-replace re-read by status parameter.
V2:
-mmci_cmd_irq cleanup in separate patch.
-simplify the busy_detect_flag exclude
-replace sdmmc specific comment in
"mmc: mmci: avoid fake busy polling in mmci_irq"
to focus on common behavior
Ludovic Barre (3):
mmc: mmci: add hardware busy timeout feature
mmc: mmci: add busy_complete callback
mmc: mmci: sdmmc: add busy_complete callback
drivers/mmc/host/mmci.c | 178 +++++++++++++++++-----------
drivers/mmc/host/mmci.h | 7 +-
drivers/mmc/host/mmci_stm32_sdmmc.c | 38 ++++++
3 files changed, 151 insertions(+), 72 deletions(-)
--
2.17.1
next reply other threads:[~2019-08-05 9:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-05 9:56 Ludovic Barre [this message]
2019-08-05 9:56 ` [PATCH V4 1/3] mmc: mmci: add hardware busy timeout feature Ludovic Barre
2019-08-05 9:56 ` [PATCH V4 2/3] mmc: mmci: add busy_complete callback Ludovic Barre
2019-08-05 9:56 ` [PATCH V4 3/3] mmc: mmci: sdmmc: " Ludovic Barre
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