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Date:   Thu, 30 Aug 2018 16:21:36 +0800
From:   Chunyan Zhang <>
To:     Ulf Hansson <>,
        Adrian Hunter <>,
        Rob Herring <>
        Orson Zhai <>,
        Baolin Wang <>,
        Billows Wu <>,
        Jason Wu <>,
        Chunyan Zhang <>,
        Chunyan Zhang <>
Subject: [PATCH V8 0/9] mmc: add support for sdhci 4.0

>From the SD host controller version 4.0 on, SDHCI implementation either
is version 3 compatible or version 4 mode. This patch-set covers those
changes which are common for SDHCI 4.0 version, regardless of whether
they are used with SD or eMMC storage devices.

This patchset also added a new sdhci driver for Spreadtrum's controller
which supports v4.0 mode.

This patchset has been tested on Spreadtrum's mobile phone, emmc can be
initialized, mounted, read and written, with these changes for common
sdhci framework and sdhci-sprd driver.

Changes from V7:
- Added Adrian's acked-by on patch 1-6;
- Addressed comments.

Previous patch series:

Chunyan Zhang (9):
  mmc: sdhci: Add version V4 definition
  mmc: sdhci: Add sd host v4 mode
  mmc: sdhci: Change SDMA address register for v4 mode
  mmc: sdhci: Add ADMA2 64-bit addressing support for V4 mode
  mmc: sdhci: Add 32-bit block count support for v4 mode
  mmc: sdhci: Add Auto CMD Auto Select support
  mmc: sdhci: SDMA may use Auto-CMD23 in v4 mode
  mmc: sdhci-sprd: Add Spreadtrum's initial host controller
  dt-bindings: sdhci-sprd: Add bindings for the sdhci-sprd controller

 .../devicetree/bindings/mmc/sdhci-sprd.txt         |  41 ++
 drivers/mmc/host/Kconfig                           |  13 +
 drivers/mmc/host/Makefile                          |   1 +
 drivers/mmc/host/sdhci-sprd.c                      | 498 +++++++++++++++++++++
 drivers/mmc/host/sdhci.c                           | 223 +++++++--
 drivers/mmc/host/sdhci.h                           |  28 +-
 6 files changed, 754 insertions(+), 50 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
 create mode 100644 drivers/mmc/host/sdhci-sprd.c


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