Commit 30480f65 authored by Xianting Tian's avatar Xianting Tian Committed by Greg Kroah-Hartman
Browse files

tty: hvc: use correct dma alignment size 



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

Signed-off-by: default avatarXianting Tian <xianting.tian@linux.alibaba.com>
Signed-off-by: default avatarShile Zhang <shile.zhang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20211015024658.1353987-2-xianting.tian@linux.alibaba.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9768a37c

drivers/tty/hvc/hvc_console.c

+1 −1
Original line number Diff line number Diff line
@@ -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;