linux-kernel - [PATCH -next] crypto: hisilicon: Convert to DEFINE_SHOW

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Date:   Thu, 16 Jul 2020 17:03:45 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Zhou Wang <wangzhou1@...ilicon.com>
CC:     <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] crypto: hisilicon: Convert to DEFINE_SHOW_ATTRIBUTE

From: Liu Shixin <liushixin2@...wei.com>

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 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