The driver core supports the ability to handle the creation and removal
of device-specific sysfs files in a race-free manner. Moreover, it can
guarantee the success of creation. Therefore, it should be better to
convert to use dev_groups.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
---
drivers/video/fbdev/gbefb.c | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)
diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c
index 6b4d5a7f3e15..1582c718329c 100644
--- a/drivers/video/fbdev/gbefb.c
+++ b/drivers/video/fbdev/gbefb.c
@@ -1072,17 +1072,12 @@ static ssize_t gbefb_show_rev(struct device *device, struct device_attribute *at
static DEVICE_ATTR(revision, S_IRUGO, gbefb_show_rev, NULL);
-static void gbefb_remove_sysfs(struct device *dev)
-{
- device_remove_file(dev, &dev_attr_size);
- device_remove_file(dev, &dev_attr_revision);
-}
-
-static void gbefb_create_sysfs(struct device *dev)
-{
- device_create_file(dev, &dev_attr_size);
- device_create_file(dev, &dev_attr_revision);
-}
+static struct attribute *gbefb_attrs[] = {
+ &dev_attr_size.attr,
+ &dev_attr_revision.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(gbefb);
/*
* Initialization
@@ -1221,7 +1216,6 @@ static int gbefb_probe(struct platform_device *p_dev)
}
platform_set_drvdata(p_dev, info);
- gbefb_create_sysfs(&p_dev->dev);
fb_info(info, "%s rev %d @ 0x%08x using %dkB memory\n",
info->fix.id, gbe_revision, (unsigned)GBE_BASE,
@@ -1248,7 +1242,6 @@ static int gbefb_remove(struct platform_device* p_dev)
gbe_turn_off();
arch_phys_wc_del(par->wc_cookie);
release_mem_region(GBE_BASE, sizeof(struct sgi_gbe));
- gbefb_remove_sysfs(&p_dev->dev);
framebuffer_release(info);
return 0;
@@ -1259,6 +1252,7 @@ static struct platform_driver gbefb_driver = {
.remove = gbefb_remove,
.driver = {
.name = "gbefb",
+ .dev_groups = gbefb_groups,
},
};
--
2.25.1
