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video: fbdev: mb862xx: use DEVICE_ATTR_RO macro

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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@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210601090852.10531-1-thunder.leizhen@huawei.com
This commit is contained in:
Zhen Lei 2021-06-01 17:08:52 +08:00 committed by Daniel Vetter
parent c5ef15ae09
commit ff323d6d72
1 changed files with 3 additions and 3 deletions
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6
drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
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@ -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)
{