[PATCH v4 0/7] Improvements for SPI IMX driver for Freescale IMX51, IMX53 and IMX6

From: Anton Bondarenko
Date: Fri Nov 27 2015 - 18:16:59 EST


A number of patches to impove or add the implementation
for the spi-imx driver related to Freescale IMX51, IMX53 and IMX6.
It would also possible some of patches can be applied for other
Freescale controllers using spi-imx driver but could not be tested
due to lack of hardware.

Changes since V3:
Addressed comments from V3 review, simplified timeout calculation

Anton Bondarenko (7):
spi: imx: Fix DMA transfer
spi: imx: replace fixed timeout with calculated one
spi: imx: add support for all SPI word width for DMA transfer
spi: imx: add function to check for IMX51 family controller
spi: imx: Add support for loopback for ECSPI controllers
spi: imx: return error from dma channel request
spi: imx: defer spi initialization, if DMA engine is pending

drivers/spi/spi-imx.c | 320 +++++++++++++++++++++++++++++++++++++-------------
1 file changed, 237 insertions(+), 83 deletions(-)

--
2.6.3

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