The spi_mem interface is meant to replace the spi_flash_read() one.
Implement the ->exec_op() method so that we can smoothly get rid of the
old interface.
Signed-off-by: NBoris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: NVignesh R <vigneshr@ti.com>
Tested-by: NVignesh R <vigneshr@ti.com>
Signed-off-by: NMark Brown <broonie@kernel.org>