From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
____cacheline_aligned is an insufficient guarantee for non-coherent DMA
on platforms with 128 byte cachelines above L1. Switch to the updated
IIO_DMA_MINALIGN definition.
Fixes: 1b791fadf3a1 ("iio: dac: mcp4902/mcp4912/mcp4922 dac driver")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Cc: Michael Welling <mwelling@xxxxxxxx>
Acked-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
---
drivers/iio/dac/mcp4922.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/dac/mcp4922.c b/drivers/iio/dac/mcp4922.c
index cb9e60e71b91..6c0e31032c57 100644
--- a/drivers/iio/dac/mcp4922.c
+++ b/drivers/iio/dac/mcp4922.c
@@ -29,7 +29,7 @@ struct mcp4922_state {
unsigned int value[MCP4922_NUM_CHANNELS];
unsigned int vref_mv;
struct regulator *vref_reg;
- u8 mosi[2] ____cacheline_aligned;
+ u8 mosi[2] __aligned(IIO_DMA_MINALIGN);
};
#define MCP4922_CHAN(chan, bits) { \
--
2.36.0
