spi: s3c64xx: add missing check for polling mode
Due to changes in mainline prior to submission the spi device detection
in polling mode breaks. This revealed the missing check for polling
during dma prepare. This patch adds the missing check.
Signed-off-by: Girish K S <ks.giri@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index eb53df2..63e2070 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -434,6 +434,9 @@
dma_cap_mask_t mask;
int ret;
+ if (is_polling(sdd))
+ return 0;
+
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);