diff mbox series

[v1,1/5] usb: fotg210-hcd: use sysfs_emit() to instead of scnprintf()

Message ID 20230120154437.22025-1-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Commit 861fa1c3fafffe47e6845ce95c847b2422792fcc
Headers show
Series [v1,1/5] usb: fotg210-hcd: use sysfs_emit() to instead of scnprintf() | expand

Commit Message

Andy Shevchenko Jan. 20, 2023, 3:44 p.m. UTC
Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/usb/fotg210/fotg210-hcd.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

Comments

Linus Walleij Jan. 26, 2023, 7:59 p.m. UTC | #1
On Fri, Jan 20, 2023 at 4:44 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:

> Follow the advice of the Documentation/filesystems/sysfs.rst and show()
> should only use sysfs_emit() or sysfs_emit_at() when formatting the
> value to be returned to user space.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij
diff mbox series

Patch

diff --git a/drivers/usb/fotg210/fotg210-hcd.c b/drivers/usb/fotg210/fotg210-hcd.c
index 7bd1e8f3080d..46752a75c428 100644
--- a/drivers/usb/fotg210/fotg210-hcd.c
+++ b/drivers/usb/fotg210/fotg210-hcd.c
@@ -4686,14 +4686,11 @@  static ssize_t uframe_periodic_max_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
 	struct fotg210_hcd *fotg210;
-	int n;
 
 	fotg210 = hcd_to_fotg210(bus_to_hcd(dev_get_drvdata(dev)));
-	n = scnprintf(buf, PAGE_SIZE, "%d\n", fotg210->uframe_periodic_max);
-	return n;
+	return sysfs_emit(buf, "%d\n", fotg210->uframe_periodic_max);
 }
 
-
 static ssize_t uframe_periodic_max_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {