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driver core: Convert some drivers to CLASS_ATTR_STRING

Convert some drivers who export a single string as class attribute
to the new class_attr_string functions. This removes redundant
code all over.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andi Kleen
2010-01-05 12:48:09 +01:00
committed by Greg Kroah-Hartman
parent 869dfc875e
commit 0933e2d98d
6 changed files with 27 additions and 57 deletions

View File

@@ -691,13 +691,8 @@ static ssize_t show_dev_abi_version(struct device *device,
}
static DEVICE_ATTR(abi_version, S_IRUGO, show_dev_abi_version, NULL);
static ssize_t show_abi_version(struct class *class,
struct class_attribute *attr,
char *buf)
{
return sprintf(buf, "%d\n", IB_USER_VERBS_ABI_VERSION);
}
static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
static CLASS_ATTR_STRING(abi_version, S_IRUGO,
__stringify(IB_USER_VERBS_ABI_VERSION));
static dev_t overflow_maj;
static DECLARE_BITMAP(overflow_map, IB_UVERBS_MAX_DEVICES);
@@ -843,7 +838,7 @@ static int __init ib_uverbs_init(void)
goto out_chrdev;
}
ret = class_create_file(uverbs_class, &class_attr_abi_version);
ret = class_create_file(uverbs_class, &class_attr_abi_version.attr);
if (ret) {
printk(KERN_ERR "user_verbs: couldn't create abi_version attribute\n");
goto out_class;