[PATCH 1/2] spi/pxa2xx: use GFP_ATOMIC in sg table allocation

From: Mika Westerberg
Date: Tue Jun 18 2013 - 10:27:35 EST


pxa2xx_spi_map_dma_buffer() gets called in tasklet context so we can't
sleep when we allocate a new sg table. Use GFP_ATOMIC here instead.

Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
drivers/spi/spi-pxa2xx-dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c
index f4cb744..3c0b551 100644
--- a/drivers/spi/spi-pxa2xx-dma.c
+++ b/drivers/spi/spi-pxa2xx-dma.c
@@ -59,7 +59,7 @@ static int pxa2xx_spi_map_dma_buffer(struct driver_data *drv_data,
int ret;

sg_free_table(sgt);
- ret = sg_alloc_table(sgt, nents, GFP_KERNEL);
+ ret = sg_alloc_table(sgt, nents, GFP_ATOMIC);
if (ret)
return ret;
}
--
1.8.3.1

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