linux-kernel - [PATCH 1/1] video: fbdev: mb862xx: use DEVICE_ATTR

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Message-ID: <20210601090852.10531-1-thunder.leizhen@huawei.com>
Date:   Tue, 1 Jun 2021 17:08:52 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Tomi Valkeinen <tomi.valkeinen@...com>,
        "Signed-off-by : Wolfram Sang" <wsa@...-dreams.de>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-fbdev <linux-fbdev@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] video: fbdev: mb862xx: use DEVICE_ATTR_RO macro

Use DEVICE_ATTR_RO helper instead of plain DEVICE_ATTR, which makes the
code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
index 52755b591c1489f..63721337a37787b 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
@@ -542,8 +542,8 @@ static int mb862xxfb_init_fbinfo(struct fb_info *fbi)
 /*
  * show some display controller and cursor registers
  */
-static ssize_t mb862xxfb_show_dispregs(struct device *dev,
-				       struct device_attribute *attr, char *buf)
+static ssize_t dispregs_show(struct device *dev,
+			     struct device_attribute *attr, char *buf)
 {
 	struct fb_info *fbi = dev_get_drvdata(dev);
 	struct mb862xxfb_par *par = fbi->par;
@@ -577,7 +577,7 @@ static ssize_t mb862xxfb_show_dispregs(struct device *dev,
 	return ptr - buf;
 }
 
-static DEVICE_ATTR(dispregs, 0444, mb862xxfb_show_dispregs, NULL);
+static DEVICE_ATTR_RO(dispregs);
 
 static irqreturn_t mb862xx_intr(int irq, void *dev_id)
 {
-- 
2.26.0.106.g9fadedd