diff options
| author | Vignesh R <vigneshr@ti.com> | 2016-08-17 15:22:36 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-08-17 12:24:01 +0100 |
| commit | b1b8153cf0aeeb7ae6d4f012b8beb2dcfc92c68a (patch) | |
| tree | b9fb07d7e31ff24bc7fb47138129548750d9612f | |
| parent | 29b4817d4018df78086157ea3a55c1d9424a7cfc (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>