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video: fbdev: sm501fb: convert platform driver to use dev_groups 

Platform drivers now have the option to have the platform core create
and remove any needed sysfs attribute files.  So take advantage of that
and do not register "by hand" a bunch of sysfs files.

Cc: dri-devel@lists.freedesktop.org
Cc: linux-fbdev@vger.kernel.org
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20190731124349.4474-11-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-07-31 14:43:49 +02:00
parent e14018cc34
commit de3dacf034
1 changed files with 9 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/video/fbdev/sm501fb.c
View File

@ -1271,6 +1271,14 @@ static ssize_t sm501fb_debug_show_pnl(struct device *dev,
static DEVICE_ATTR(fbregs_pnl, 0444, sm501fb_debug_show_pnl, NULL);
static struct attribute *sm501fb_attrs[] = {
&dev_attr_crt_src.attr,
&dev_attr_fbregs_pnl.attr,
&dev_attr_fbregs_crt.attr,
NULL,
};
ATTRIBUTE_GROUPS(sm501fb);
/* acceleration operations */
static int sm501fb_sync(struct fb_info *info)
{
@ -2011,33 +2019,9 @@ static int sm501fb_probe(struct platform_device *pdev)
goto err_started_crt;
}
/* create device files */
ret = device_create_file(dev, &dev_attr_crt_src);
if (ret)
goto err_started_panel;
ret = device_create_file(dev, &dev_attr_fbregs_pnl);
if (ret)
goto err_attached_crtsrc_file;
ret = device_create_file(dev, &dev_attr_fbregs_crt);
if (ret)
goto err_attached_pnlregs_file;
/* we registered, return ok */
return 0;
err_attached_pnlregs_file:
device_remove_file(dev, &dev_attr_fbregs_pnl);
err_attached_crtsrc_file:
device_remove_file(dev, &dev_attr_crt_src);
err_started_panel:
unregister_framebuffer(info->fb[HEAD_PANEL]);
sm501_free_init_fb(info, HEAD_PANEL);
err_started_crt:
unregister_framebuffer(info->fb[HEAD_CRT]);
sm501_free_init_fb(info, HEAD_CRT);
@ -2067,10 +2051,6 @@ static int sm501fb_remove(struct platform_device *pdev)
struct fb_info *fbinfo_crt = info->fb[0];
struct fb_info *fbinfo_pnl = info->fb[1];
device_remove_file(&pdev->dev, &dev_attr_fbregs_crt);
device_remove_file(&pdev->dev, &dev_attr_fbregs_pnl);
device_remove_file(&pdev->dev, &dev_attr_crt_src);
sm501_free_init_fb(info, HEAD_CRT);
sm501_free_init_fb(info, HEAD_PANEL);
@ -2234,6 +2214,7 @@ static struct platform_driver sm501fb_driver = {
.resume = sm501fb_resume,
.driver = {
.name = "sm501-fb",
.dev_groups = sm501fb_groups,
},
};