[PATCH v10 1/3] tty: hvc: use correct dma alignment size

[Xianting Tian]

Use L1_CACHE_BYTES as the dma alignment size, use 'sizeof(long)'
is wrong.

Signed-off-by: Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx>
Reviewed-by: Shile Zhang <shile.zhang@xxxxxxxxxxxxxxxxx>
---
 drivers/tty/hvc/hvc_console.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 5bb8c4e44..5957ab728 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -49,7 +49,7 @@
 #define N_OUTBUF	16
 #define N_INBUF		16
 
-#define __ALIGNED__ __attribute__((__aligned__(sizeof(long))))
+#define __ALIGNED__ __attribute__((__aligned__(L1_CACHE_BYTES)))
 
 static struct tty_driver *hvc_driver;
 static struct task_struct *hvc_task;
-- 
2.17.1