linux-kernel - [PATCH 0/4] mmc: mmci: add busy detect for stm32 sdmmc variant

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Message-ID: <1551802205-32188-1-git-send-email-ludovic.Barre@st.com>
Date:   Tue, 5 Mar 2019 17:10:01 +0100
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  0/4] 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:
-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