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Subject[PATCH] fw_cfg: use __ATTR_RO_MODE to define rev sysfs
Date
Leverage __ATTR_RO_MODE to define rev sysfs instead of using open code
to define the attribute.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
---
drivers/firmware/qemu_fw_cfg.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c
index 039e0f91dba8..a1293cbd7adb 100644
--- a/drivers/firmware/qemu_fw_cfg.c
+++ b/drivers/firmware/qemu_fw_cfg.c
@@ -296,18 +296,13 @@ static int fw_cfg_do_platform_probe(struct platform_device *pdev)
return 0;
}

-static ssize_t fw_cfg_showrev(struct kobject *k, struct attribute *a, char *buf)
+static ssize_t fw_cfg_rev_show(struct kobject *k, struct kobj_attribute *a,
+ char *buf)
{
return sprintf(buf, "%u\n", fw_cfg_rev);
}
-
-static const struct {
- struct attribute attr;
- ssize_t (*show)(struct kobject *k, struct attribute *a, char *buf);
-} fw_cfg_rev_attr = {
- .attr = { .name = "rev", .mode = S_IRUSR },
- .show = fw_cfg_showrev,
-};
+static const struct kobj_attribute fw_cfg_rev_attr =
+ __ATTR_RO_MODE(fw_cfg_rev, 0400);

/* fw_cfg_sysfs_entry type */
struct fw_cfg_sysfs_entry {
--
2.19.1
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