[PATCH 1/1] video: fbdev: mb862xx: use DEVICE_ATTR_RO macro

[PATCH 1/1] video: fbdev: mb862xx: use DEVICE_ATTR_RO macro

[Zhen Lei]

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>
---
 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

Re: [PATCH 1/1] video: fbdev: mb862xx: use DEVICE_ATTR_RO macro

[Daniel Vetter]

On Tue, Jun 01, 2021 at 05:08:52PM +0800, Zhen Lei wrote:
> 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>

Applied to drm-misc-next, thanks.
-Daniel

> ---
>  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
> 
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch