mtd: mtdpart: use DEVICE_ATTR_RO() helper macro

Use DEVICE_ATTR_RO() helper macro instead of plain DEVICE_ATTR(), which
makes the code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210603123041.12036-1-thunder.leizhen@huawei.com

diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 66a67c6..04af12b 100644 (file)
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -212,15 +212,14 @@ out_register:
        return child;
 }
 
-static ssize_t mtd_partition_offset_show(struct device *dev,
-               struct device_attribute *attr, char *buf)
+static ssize_t offset_show(struct device *dev,
+                          struct device_attribute *attr, char *buf)
 {
        struct mtd_info *mtd = dev_get_drvdata(dev);
 
        return sysfs_emit(buf, "%lld\n", mtd->part.offset);
 }
-
-static DEVICE_ATTR(offset, S_IRUGO, mtd_partition_offset_show, NULL);
+static DEVICE_ATTR_RO(offset); /* mtd partition offset */
 
 static const struct attribute *mtd_partition_attrs[] = {
        &dev_attr_offset.attr,