From: David Brownell <dbrownell@users.sourceforge.net>
Simplify sysfs attribute registration for sockets without static
resource mappings by using an attribute_group. This shrinks object
size a bit: use loops in sysfs code, but have more data.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
---
Updated version of patch sent 28-April:
http://lists.infradead.org/pipermail/linux-pcmcia/2008-April/005432.html
drivers/pcmcia/rsrc_nonstatic.c | 27 ++++++++++-----------------
1 file changed, 10 insertions(+), 17 deletions(-)
--- g26.orig/drivers/pcmcia/rsrc_nonstatic.c 2008-05-01 12:53:37.000000000 -0700
+++ g26/drivers/pcmcia/rsrc_nonstatic.c 2008-05-01 13:01:28.000000000 -0700
@@ -1008,41 +1008,34 @@ static ssize_t store_mem_db(struct devic
}
static DEVICE_ATTR(available_resources_mem, 0600, show_mem_db, store_mem_db);
-static struct device_attribute *pccard_rsrc_attributes[] = {
- &dev_attr_available_resources_io,
- &dev_attr_available_resources_mem,
+static struct attribute *pccard_rsrc_attributes[] = {
+ &dev_attr_available_resources_io.attr,
+ &dev_attr_available_resources_mem.attr,
NULL,
};
+static const struct attribute_group rsrc_attributes = {
+ .attrs = pccard_rsrc_attributes,
+};
+
static int __devinit pccard_sysfs_add_rsrc(struct device *dev,
struct class_interface *class_intf)
{
struct pcmcia_socket *s = dev_get_drvdata(dev);
- struct device_attribute **attr;
- int ret = 0;
+
if (s->resource_ops != &pccard_nonstatic_ops)
return 0;
-
- for (attr = pccard_rsrc_attributes; *attr; attr++) {
- ret = device_create_file(dev, *attr);
- if (ret)
- break;
- }
-
- return ret;
+ return sysfs_create_group(&dev->kobj, &rsrc_attributes);
}
static void __devexit pccard_sysfs_remove_rsrc(struct device *dev,
struct class_interface *class_intf)
{
struct pcmcia_socket *s = dev_get_drvdata(dev);
- struct device_attribute **attr;
if (s->resource_ops != &pccard_nonstatic_ops)
return;
-
- for (attr = pccard_rsrc_attributes; *attr; attr++)
- device_remove_file(dev, *attr);
+ sysfs_remove_group(&dev->kobj, &rsrc_attributes);
}
static struct class_interface pccard_rsrc_interface __refdata = {
--
