Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
clockevents: Use DEVICE_ATTR_[RO|WO] macros
Use the DEVICE_ATTR_[RO|WO] helpers instead of plain DEVICE_ATTR, which
makes the code a bit shorter and easier to read.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210523065825.19684-1-yuehaibing@huawei.com
authored by
YueHaibing
and committed by
Thomas Gleixner
1fa98d96
8124c8a6
+8
-8
+8
-8
kernel/time/clockevents.c
+8
-8
kernel/time/clockevents.c
···
668
668
static DEFINE_PER_CPU(struct device, tick_percpu_dev);
669
669
static struct tick_device *tick_get_tick_dev(struct device *dev);
670
670
671
-
static ssize_t sysfs_show_current_tick_dev(struct device *dev,
672
-
struct device_attribute *attr,
673
-
char *buf)
671
+
static ssize_t current_device_show(struct device *dev,
672
+
struct device_attribute *attr,
673
+
char *buf)
674
674
{
675
675
struct tick_device *td;
676
676
ssize_t count = 0;
···
682
682
raw_spin_unlock_irq(&clockevents_lock);
683
683
return count;
684
684
}
685
-
static DEVICE_ATTR(current_device, 0444, sysfs_show_current_tick_dev, NULL);
685
+
static DEVICE_ATTR_RO(current_device);
686
686
687
687
/* We don't support the abomination of removable broadcast devices */
688
-
static ssize_t sysfs_unbind_tick_dev(struct device *dev,
689
-
struct device_attribute *attr,
690
-
const char *buf, size_t count)
688
+
static ssize_t unbind_device_store(struct device *dev,
689
+
struct device_attribute *attr,
690
+
const char *buf, size_t count)
691
691
{
692
692
char name[CS_NAME_LEN];
693
693
ssize_t ret = sysfs_get_uname(buf, name, count);
···
714
714
mutex_unlock(&clockevents_mutex);
715
715
return ret ? ret : count;
716
716
}
717
-
static DEVICE_ATTR(unbind_device, 0200, NULL, sysfs_unbind_tick_dev);
717
+
static DEVICE_ATTR_WO(unbind_device);
718
718
719
719
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
720
720
static struct device tick_bc_dev = {