linux-kernel - [PATCH V3 0/3] mmc: mmci: add busy detect for stm32 sdmmc variant

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Message-ID: <1559577325-19266-1-git-send-email-ludovic.Barre@st.com>
Date:   Mon, 3 Jun 2019 17:55:22 +0200
From:   Ludovic Barre <ludovic.Barre@...com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     <srinivas.kandagatla@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-mmc@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        Ludovic Barre <ludovic.barre@...com>
Subject: [PATCH V3 0/3] mmc: mmci: add busy detect for stm32 sdmmc variant

From: Ludovic Barre <ludovic.barre@...com>

This patch series adds busy detect for stm32 sdmmc variant.
Some adaptations are required:
-Clear busy status bit if busy_detect_flag and busy_detect_mask are
 different.
-Add hardware busy timeout with MMCIDATATIMER register.

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: fix read status for busy detect
  mmc: mmci: add hardware busy timeout feature
  mmc: mmci: add busy detect for stm32 sdmmc variant

 drivers/mmc/host/mmci.c | 49 +++++++++++++++++++++++++++++++++++++++++--------
 drivers/mmc/host/mmci.h |  3 +++
 2 files changed, 44 insertions(+), 8 deletions(-)

-- 
2.7.4