[PATCH 5/9] ata: Use dma_alloc for buffer
Sascha Hauer
s.hauer at pengutronix.de
Thu Dec 6 08:34:26 EST 2012
ATA devices using DMA may need a sufficiently aligned buffer, so use
dma_alloc instead of regular malloc.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
drivers/ata/disk_ata_drive.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/disk_ata_drive.c b/drivers/ata/disk_ata_drive.c
index a1df4bd..923be9a 100644
--- a/drivers/ata/disk_ata_drive.c
+++ b/drivers/ata/disk_ata_drive.c
@@ -24,6 +24,7 @@
#include <block.h>
#include <ata_drive.h>
#include <disks.h>
+#include <dma.h>
#define ata_id_u32(id,n) \
(((uint32_t) (id)[(n) + 1] << 16) | ((uint32_t) (id)[(n)]))
@@ -266,7 +267,7 @@ int ata_port_register(struct ata_port *port)
struct ata_port_operations *ops = port->ops;
struct device_d *dev = port->dev;
- port->id = xzalloc(SECTOR_SIZE);
+ port->id = dma_alloc(SECTOR_SIZE);
port->blk.dev = dev;
port->blk.ops = &ata_ops;
--
1.7.10.4
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