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authorGirish K S <girishks2000@gmail.com>2013-06-27 12:26:53 +0530
committerMark Brown <broonie@linaro.org>2013-07-15 11:43:14 +0100
commit9f4b323803ff18d87dcc042723b527ee646dddfc (patch)
tree66f09582d32acf1062298a971842da36ac8c0fe3 /drivers/spi/spi-s3c64xx.c
parentad81f0545ef01ea651886dddac4bef6cec930092 (diff)
downloadop-kernel-dev-9f4b323803ff18d87dcc042723b527ee646dddfc.zip
op-kernel-dev-9f4b323803ff18d87dcc042723b527ee646dddfc.tar.gz
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>
Diffstat (limited to 'drivers/spi/spi-s3c64xx.c')
-rw-r--r--drivers/spi/spi-s3c64xx.c3
1 files changed, 3 insertions, 0 deletions
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 @@ static int s3c64xx_spi_prepare_transfer(struct spi_master *spi)
dma_cap_mask_t mask;
int ret;
+ if (is_polling(sdd))
+ return 0;
+
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
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