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PNP: use DEVICE_ATTR_RO macro

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Use DEVICE_ATTR_RO macro helper 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: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Zhen Lei 2021-06-02 16:15:46 +08:00 committed by Rafael J. Wysocki
parent 5bb5ceac12
commit 3935787ebd
1 changed files with 6 additions and 6 deletions
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12
drivers/pnp/card.c
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@ -181,8 +181,8 @@ struct pnp_card *pnp_alloc_card(struct pnp_protocol *protocol, int id, char *pnp
return card;
}
static ssize_t pnp_show_card_name(struct device *dmdev,
struct device_attribute *attr, char *buf)
static ssize_t name_show(struct device *dmdev,
struct device_attribute *attr, char *buf)
{
char *str = buf;
struct pnp_card *card = to_pnp_card(dmdev);
@ -191,10 +191,10 @@ static ssize_t pnp_show_card_name(struct device *dmdev,
return (str - buf);
}
static DEVICE_ATTR(name, S_IRUGO, pnp_show_card_name, NULL);
static DEVICE_ATTR_RO(name);
static ssize_t pnp_show_card_ids(struct device *dmdev,
struct device_attribute *attr, char *buf)
static ssize_t card_id_show(struct device *dmdev,
struct device_attribute *attr, char *buf)
{
char *str = buf;
struct pnp_card *card = to_pnp_card(dmdev);
@ -207,7 +207,7 @@ static ssize_t pnp_show_card_ids(struct device *dmdev,
return (str - buf);
}
static DEVICE_ATTR(card_id, S_IRUGO, pnp_show_card_ids, NULL);
static DEVICE_ATTR_RO(card_id);
static int pnp_interface_attach_card(struct pnp_card *card)
{