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mtd: rawnand: r852: use DEVICE_ATTR_RO() helper macro

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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/20210603123339.12089-1-thunder.leizhen@huawei.com
This commit is contained in:
Zhen Lei 2021-06-03 20:33:39 +08:00 committed by Miquel Raynal
parent f145b9dcf9
commit 21db4f475d
1 changed files with 3 additions and 4 deletions
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7
drivers/mtd/nand/raw/r852.c
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@ -583,8 +583,8 @@ static void r852_update_card_detect(struct r852_device *dev)
r852_write_reg(dev, R852_CARD_IRQ_ENABLE, card_detect_reg);
}
static ssize_t r852_media_type_show(struct device *sys_dev,
struct device_attribute *attr, char *buf)
static ssize_t media_type_show(struct device *sys_dev,
struct device_attribute *attr, char *buf)
{
struct mtd_info *mtd = container_of(sys_dev, struct mtd_info, dev);
struct r852_device *dev = r852_get_dev(mtd);
@ -593,8 +593,7 @@ static ssize_t r852_media_type_show(struct device *sys_dev,
strcpy(buf, data);
return strlen(data);
}
static DEVICE_ATTR(media_type, S_IRUGO, r852_media_type_show, NULL);
static DEVICE_ATTR_RO(media_type);
/* Detect properties of card in slot */