linux-kernel - [PATCH -next v2] crypto: amlogic: Convert to DEFINE_SHOW

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Date:   Fri, 18 Sep 2020 09:31:10 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Corentin Labbe <clabbe@...libre.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
CC:     <linux-crypto@...r.kernel.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH -next v2] crypto: amlogic: Convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
v2: based on linux-next(20200917), and can be applied to
    mainline cleanly now.

 drivers/crypto/amlogic/amlogic-gxl-core.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c
index 466552acb..5bbeff433 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-core.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-core.c
@@ -98,7 +98,7 @@ static struct meson_alg_template mc_algs[] = {
 };
 
 #ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG
-static int meson_dbgfs_read(struct seq_file *seq, void *v)
+static int meson_debugfs_show(struct seq_file *seq, void *v)
 {
 	struct meson_dev *mc = seq->private;
 	int i;
@@ -118,19 +118,7 @@ static int meson_dbgfs_read(struct seq_file *seq, void *v)
 	}
 	return 0;
 }
-
-static int meson_dbgfs_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, meson_dbgfs_read, inode->i_private);
-}
-
-static const struct file_operations meson_debugfs_fops = {
-	.owner = THIS_MODULE,
-	.open = meson_dbgfs_open,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(meson_debugfs);
 #endif
 
 static void meson_free_chanlist(struct meson_dev *mc, int i)
-- 
2.23.0