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| author | YueHaibing <yuehaibing@huawei.com> | 2021-05-23 14:58:25 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2021-05-31 17:04:42 +0200 |
| commit | 1fa98d96ea0ff6c8770eeba90417aab4b4e07f52 (patch) | |
| tree | a7c49623e615ef5b8da7f802f9c41cb56b022862 | |
| parent | 8124c8a6b35386f73523d27eacb71b5364a68c4c (diff) | |
| download | linux-1fa98d96ea0ff6c8770eeba90417aab4b4e07f52.tar.bz2 | |
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
| -rw-r--r-- | kernel/time/clockevents.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index f5490222e134..0056d2bed53e 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 = { |