]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: b482605) | 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)
commit6880456d6effa6f995842d20f98ecc6b0d267b5f
treeb9fb07d7e31ff24bc7fb47138129548750d9612ftree | snapshot
parentb482605f7939bd4035b2d11a7952dc3da5821c6dcommit | 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
Linux Kernel Source Tree.