There is a subtle difference between dma_transfer_direction and
dma_data_direction: the former is used by the dmaengine framework,
while the latter is used by the dma-mapping API. Although the
purpose is comparable, the actual values are different and must
not be mixed. In this case, the driver just wants to use
dma_transfer_direction.
Without this patch, building s3c6400_defconfig results in:
drivers/spi/spi-s3c64xx.c: In function 's3c64xx_spi_dmacb':
drivers/spi/spi-s3c64xx.c:239:21: warning: comparison between
'enum dma_data_direction' and 'enum dma_transfer_direction'
[-Wenum-compare]
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Ben Dooks <[email protected]>
Cc: Kukjin Kim <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
drivers/spi/spi-s3c64xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index d1c8441f..2e44dd6 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -132,7 +132,7 @@
struct s3c64xx_spi_dma_data {
unsigned ch;
- enum dma_data_direction direction;
+ enum dma_transfer_direction direction;
enum dma_ch dmach;
struct property *dma_prop;
};
--
1.7.10
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