linux-kernel - [PATCH v3 0/7] Port am335 and am437 devices to sdhci-omap

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Date:   Tue, 10 Dec 2019 15:21:44 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-mmc@...r.kernel.org>
CC:     <kishon@...com>, <adrian.hunter@...el.com>, <mark.rutland@....com>,
        <robh+dt@...nel.org>, <ulf.hansson@...aro.org>,
        <zhang.chunyan@...aro.org>, <tony@...mide.com>
Subject: [PATCH v3 0/7] Port am335 and am437 devices to sdhci-omap

The following add driver patches for porting TI's am335x and am437x
devices to the sdhci-omap driver.

This involves adding external DMA support to sdhci (first 3 patches from
Chunyan) plus some miscellaneous patches to take care of deviations of
the controllers from the sdhci model.

DT changes will be posted in a separate series.

Untested versions of Chunyan's patches were posted before[1].

Tested on: am335x-evm, am335x-boneblack, am335x-sk, am437x-gpevm,
am43xx-gpevm, am437x-idk, dra7xx-evm, dra72x-evm.

I need some help with testing all the other beaglebone variants and SDIO
Wifi cards.

v3:
1. Dropped patch 1 because the tasklet was removed by Adrian in an
   earlier series.
2. Added dma bindings in sdhci-omap as optional properties.
3. Rebased on top of latest mainline.

v2:
1. sdhci is using two bottom halves. One threaded_rq for card detect and a
   tasklet for finishing mmc requests. Patch 1 removes the tasklet and
   moves its function to the threaded_irq. This enables me to
   terminate_sync() in sdhci_request_done()

2. Factored out common code for between the normal adn external dma case

3. Using existing API sdhci_data_timeout_irq for disabling DTO during
   erase commands.

4. Fixed subject line for dt-bindings patch.

[1] https://patchwork.kernel.org/project/linux-mmc/list/?series=54897

Chunyan Zhang (3):
  dt-bindings: sdhci-omap: Add properties for using external dma
  mmc: sdhci: add support for using external DMA devices
  mmc: sdhci-omap: Add using external dma

Faiz Abbas (4):
  mmc: sdhci: Add quirk for disabling DTO during erase command
  mmc: sdhci-omap: Add DISABLE_DTO_FOR_ERASE Quirk
  dt-bindings: sdhci-omap: Add am335x and am437x specific bindings
  mmc: sdhci-omap: Add am335x and am437x specific compatibles

 .../devicetree/bindings/mmc/sdhci-omap.txt    |  11 +
 drivers/mmc/host/Kconfig                      |   4 +
 drivers/mmc/host/sdhci-omap.c                 |  27 +-
 drivers/mmc/host/sdhci.c                      | 290 ++++++++++++++++--
 drivers/mmc/host/sdhci.h                      |  10 +
 5 files changed, 313 insertions(+), 29 deletions(-)

-- 
2.19.2