[PATCH -next] crypto: hisilicon: Convert to DEFINE_SHOW_ATTRIBUTE

From: Qinglang Miao
Date: Thu Jul 16 2020 - 05:00:00 EST


From: Liu Shixin <liushixin2@xxxxxxxxxx>

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
---
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 b594dc728..5f16d8ae7 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -1046,17 +1046,7 @@ 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_iter = seq_read_iter,
- .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)
--
2.17.1