Use DEVICE_ATTR_RO() helper macro instead of DEVICE_ATTR(), which is
simpler and more readable.
Due to the name of the read function of the sysfs attribute is normalized,
there is a natural association.
Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
drivers/media/pci/bt8xx/bttv-driver.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 1f62a9d8ea1d323..e2e77b335c1523e 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -170,14 +170,14 @@ MODULE_VERSION(BTTV_VERSION);
/* ----------------------------------------------------------------------- */
/* sysfs */
-static ssize_t show_card(struct device *cd,
+static ssize_t card_show(struct device *cd,
struct device_attribute *attr, char *buf)
{
struct video_device *vfd = to_video_device(cd);
struct bttv *btv = video_get_drvdata(vfd);
return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET);
}
-static DEVICE_ATTR(card, S_IRUGO, show_card, NULL);
+static DEVICE_ATTR_RO(card);
/* ----------------------------------------------------------------------- */
/* dvb auto-load setup */
--
2.26.0.106.g9fadedd
