spi: Add can_dma like interface for spi_flash_read

Add an interface analogous to ->can_dma() for spi_flash_read()
interface. This will enable SPI controller drivers to inform SPI core
when not to do DMA mappings.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 656dd3e3220c..5e1bb43b8a8f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2811,7 +2811,7 @@ int spi_flash_read(struct spi_device *spi,
 
         mutex_lock(&master->bus_lock_mutex);
         mutex_lock(&master->io_mutex);
-        if (master->dma_rx) {
+        if (master->dma_rx && master->spi_flash_can_dma(spi, msg)) {
                 rx_dev = master->dma_rx->device->dev;
                 ret = spi_map_buf(master, rx_dev, &msg->rx_sg,
                                   msg->buf, msg->len,