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tty: hvc: use correct dma alignment size

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

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Signed-off-by: Shile Zhang <shile.zhang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20211015024658.1353987-2-xianting.tian@linux.alibaba.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Xianting Tian 2021-10-15 10:46:56 +08:00 committed by Greg Kroah-Hartman
parent 9768a37cec
commit 30480f65b5
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/hvc/hvc_console.c
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@ -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;