Commit 1fa98d96 authored by YueHaibing's avatar YueHaibing Committed by Thomas Gleixner
Browse files

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: default avatarYueHaibing <yuehaibing@huawei.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210523065825.19684-1-yuehaibing@huawei.com
parent 8124c8a6

kernel/time/clockevents.c

+8 −8
Original line number Diff line number Diff line
@@ -668,7 +668,7 @@ static struct bus_type clockevents_subsys = { 
static DEFINE_PER_CPU(struct device, tick_percpu_dev);

static struct tick_device *tick_get_tick_dev(struct device *dev);



static ssize_t sysfs_show_current_tick_dev(struct device *dev,

static ssize_t current_device_show(struct device *dev,

				   struct device_attribute *attr,

				   char *buf)

{
@@ -682,10 +682,10 @@ static ssize_t sysfs_show_current_tick_dev(struct device *dev, 
	raw_spin_unlock_irq(&clockevents_lock);

	return count;

}

static DEVICE_ATTR(current_device, 0444, sysfs_show_current_tick_dev, NULL);

static DEVICE_ATTR_RO(current_device);



/* We don't support the abomination of removable broadcast devices */

static ssize_t sysfs_unbind_tick_dev(struct device *dev,

static ssize_t unbind_device_store(struct device *dev,

				   struct device_attribute *attr,

				   const char *buf, size_t count)

{
@@ -714,7 +714,7 @@ static ssize_t sysfs_unbind_tick_dev(struct device *dev, 
	mutex_unlock(&clockevents_mutex);

	return ret ? ret : count;

}

static DEVICE_ATTR(unbind_device, 0200, NULL, sysfs_unbind_tick_dev);

static DEVICE_ATTR_WO(unbind_device);



#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST

static struct device tick_bc_dev = {