linux-kernel - [PATCH -next v2] drm/komeda: Convert to DEFINE_SHOW

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Message-ID: <20200917123949.101925-1-miaoqinglang@huawei.com>
Date:   Thu, 17 Sep 2020 20:39:49 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     James Qian Wang <james.qian.wang@....com>,
        Liviu Dudau <liviu.dudau@....com>,
        Mihail Atanassov <mihail.atanassov@....com>,
        "Brian Starkey" <brian.starkey@....com>,
        David Airlie <airlied@...ux.ie>,
        "Daniel Vetter" <daniel@...ll.ch>
CC:     <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Qinglang Miao <miaoqinglang@...wei.com>
Subject: [PATCH -next v2] drm/komeda: 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/gpu/drm/arm/display/komeda/komeda_dev.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
index 1d767473b..4a10e6b9e 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
@@ -41,18 +41,7 @@ static int komeda_register_show(struct seq_file *sf, void *x)
 	return 0;
 }
 
-static int komeda_register_open(struct inode *inode, struct file *filp)
-{
-	return single_open(filp, komeda_register_show, inode->i_private);
-}
-
-static const struct file_operations komeda_register_fops = {
-	.owner		= THIS_MODULE,
-	.open		= komeda_register_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(komeda_register);
 
 #ifdef CONFIG_DEBUG_FS
 static void komeda_debugfs_init(struct komeda_dev *mdev)
-- 
2.23.0