[PATCH 0/3] MMC: SDHCI: Add and use common DMA helpers

Sascha Hauer s.hauer at pengutronix.de
Thu Jun 10 07:47:17 PDT 2021


So far the SDHCI common code can only do PIO data transfers. This series
pimps that up to allow DMA data transfers. The imx-esdhc driver is
converted to use these new helpers and also the new Rockchip SDHCI
support which I resend here converted to use the helpers.

Sascha

Sascha Hauer (3):
  mci: sdhci: Add DMA transfer helpers
  mci: Add support for Rockchip variant of the dwcmshc
  mci: imx-esdhc: Use common DMA helpers

 drivers/mci/Kconfig                  |   7 +
 drivers/mci/Makefile                 |   1 +
 drivers/mci/arasan-sdhci.c           |   2 +-
 drivers/mci/atmel-sdhci-common.c     |   2 +-
 drivers/mci/imx-esdhc-common.c       |  88 ++-----
 drivers/mci/mci-bcm2835.c            |   2 +-
 drivers/mci/rockchip-dwcmshc-sdhci.c | 377 +++++++++++++++++++++++++++
 drivers/mci/sdhci.c                  | 118 ++++++++-
 drivers/mci/sdhci.h                  |  10 +-
 9 files changed, 538 insertions(+), 69 deletions(-)
 create mode 100644 drivers/mci/rockchip-dwcmshc-sdhci.c

-- 
2.29.2




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