Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
---
v2: based on linux-next(20200917), and can be applied to
mainline cleanly now.
drivers/crypto/hisilicon/qm.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 07efc5283..1923f153d 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -1050,17 +1050,7 @@ static int qm_regs_show(struct seq_file *s, void *unused)
return 0;
}
-static int qm_regs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, qm_regs_show, inode->i_private);
-}
-
-static const struct file_operations qm_regs_fops = {
- .owner = THIS_MODULE,
- .open = qm_regs_open,
- .read = seq_read,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(qm_regs);
static ssize_t qm_cmd_read(struct file *filp, char __user *buffer,
size_t count, loff_t *pos)
--
2.23.0
