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clocksource: Use ATTRIBUTE_GROUPS

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Use ATTRIBUTE_GROUPS instead of manually creating the individual device
files.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: arnd@arndb.de
Cc: sboyd@codeaurora.org
Cc: broonie@kernel.org
Cc: john.stultz@linaro.org
Link: https://lkml.kernel.org/r/d80dccb981dc2461781ebb8d71a32ccdc1b0e6f9.1516167691.git.baolin.wang@linaro.org
This commit is contained in:
Baolin Wang 2018-01-17 14:01:30 +08:00 committed by Thomas Gleixner
parent e87821d18c
commit 27263e8dc0
1 changed files with 10 additions and 11 deletions
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21
kernel/time/clocksource.c
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@ -993,6 +993,14 @@ static ssize_t available_clocksource_show(struct device *dev,
} }
static DEVICE_ATTR_RO(available_clocksource); static DEVICE_ATTR_RO(available_clocksource);
static struct attribute *clocksource_attrs[] = {
&dev_attr_current_clocksource.attr,
&dev_attr_unbind_clocksource.attr,
&dev_attr_available_clocksource.attr,
NULL
};
ATTRIBUTE_GROUPS(clocksource);
static struct bus_type clocksource_subsys = { static struct bus_type clocksource_subsys = {
.name = "clocksource", .name = "clocksource",
.dev_name = "clocksource", .dev_name = "clocksource",
@ -1001,6 +1009,7 @@ static struct bus_type clocksource_subsys = {
static struct device device_clocksource = { static struct device device_clocksource = {
.id = 0, .id = 0,
.bus = &clocksource_subsys, .bus = &clocksource_subsys,
.groups = clocksource_groups,
}; };
static int __init init_clocksource_sysfs(void) static int __init init_clocksource_sysfs(void)
@ -1009,17 +1018,7 @@ static int __init init_clocksource_sysfs(void)
if (!error) if (!error)
error = device_register(&device_clocksource); error = device_register(&device_clocksource);
if (!error)
error = device_create_file(
&device_clocksource,
&dev_attr_current_clocksource);
if (!error)
error = device_create_file(&device_clocksource,
&dev_attr_unbind_clocksource);
if (!error)
error = device_create_file(
&device_clocksource,
&dev_attr_available_clocksource);
return error; return error;
} }