diff options
| author | Xianting Tian <xianting.tian@linux.alibaba.com> | 2021-10-15 05:46:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-21 11:34:30 +0300 |
| commit | 30480f65b575631ea5ac8172174f492bd1342ab5 (patch) | |
| tree | 04581825de8e01528a1d064758a4247dd34f2f22 /drivers/tty | |
| parent | 9768a37cec37b03f745ce90f8c3d378e0aa223ae (diff) | |
| download | linux-30480f65b575631ea5ac8172174f492bd1342ab5.tar.xz | |
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: 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>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/hvc/hvc_console.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index 7b30d5a05e2f..4802cfaa107f 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; |