linux-kernel - [PATCH v2 0/6] spi: Add support for DMA transfers in sun4i SPI driver

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Date:   Tue,  3 Apr 2018 18:28:59 +0300
From:   Sergey Suloev <ssuloev@...altech.com>
To:     Mark Brown <broonie@...nel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>
Cc:     linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Sergey Suloev <ssuloev@...altech.com>
Subject: [PATCH v2 0/6] spi: Add support for DMA transfers in sun4i SPI driver

The following patchset provides corrections for PIO-mode
and support for DMA transfers in sun4i SPI driver.

Changes in v2:
1) Restored processing of 3/4 FIFO full interrupt.

2) Debug log enhancements.

Sergey Suloev (6):
  spi: core: handle timeout error from transfer_one()
  spi: sun4i: restrict transfer length in PIO-mode
  spi: sun4i: coding style/readability improvements
  spi: sun4i: use completion provided by SPI core driver
  spi: sun4i: introduce register set/unset helpers
  spi: sun4i: add DMA transfers support

 drivers/spi/spi-sun4i.c | 442 +++++++++++++++++++++++++++++++++++++-----------
 drivers/spi/spi.c       |   5 +-
 2 files changed, 347 insertions(+), 100 deletions(-)

-- 
2.16.2