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Subject[tip: timers/core] clockevents: Use DEVICE_ATTR_[RO|WO] macros
The following commit has been merged into the timers/core branch of tip:

Commit-ID: 1fa98d96ea0ff6c8770eeba90417aab4b4e07f52
Gitweb: https://git.kernel.org/tip/1fa98d96ea0ff6c8770eeba90417aab4b4e07f52
Author: YueHaibing <yuehaibing@huawei.com>
AuthorDate: Sun, 23 May 2021 14:58:25 +08:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Mon, 31 May 2021 17:04:42 +02:00

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

---
kernel/time/clockevents.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index f549022..0056d2b 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -668,9 +668,9 @@ 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,
- struct device_attribute *attr,
- char *buf)
+static ssize_t current_device_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
struct tick_device *td;
ssize_t count = 0;
@@ -682,12 +682,12 @@ 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,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t unbind_device_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
char name[CS_NAME_LEN];
ssize_t ret = sysfs_get_uname(buf, name, 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 = {
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