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(parent: 29b4817) | patch
spi: Add support to handle kmap'd buffers in spi_map_buf()
authorVignesh R <vigneshr@ti.com>
Wed, 17 Aug 2016 09:52:36 +0000 (15:22 +0530)
committerMark Brown <broonie@kernel.org>
Wed, 17 Aug 2016 11:24:01 +0000 (12:24 +0100)
commitb1b8153cf0aeeb7ae6d4f012b8beb2dcfc92c68a
treeb9fb07d7e31ff24bc7fb47138129548750d9612ftree | snapshot
parent29b4817d4018df78086157ea3a55c1d9424a7cfccommit | diff
spi: Add support to handle kmap'd buffers in spi_map_buf()

JFFS2 FS might sometime provide kmap'd buffers as destination
buffers to read data from flash. Update spi_map_buf() function to
generate sg_list for such buffers, so that SPI controllers drivers can
use DMA to read data into such buffers.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi.c diff | blob | history
Domain: System / Kernel;