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PM / Sleep: Fix build warning in sysfs.c for CONFIG_PM_SLEEP unset

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The power/async device sysfs attribute is only used if both
CONFIG_PM_ADVANCED_DEBUG and CONFIG_PM_SLEEP are set, but the code
implementing it doesn't depend on CONFIG_PM_SLEEP.  As a result, a
build warning appears if CONFIG_PM_ADVANCED_DEBUG is set and
CONFIG_PM_SLEEP is not set.

Fix it by adding a #ifdef CONFIG_PM_SLEEP around the code in
question.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki 2012-07-11 22:42:58 +02:00
parent d8150d3504
commit d181b49eb3
1 changed files with 4 additions and 0 deletions
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4
drivers/base/power/sysfs.c
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@ -474,6 +474,8 @@ static DEVICE_ATTR(runtime_enabled, 0444, rtpm_enabled_show, NULL);
#endif
#ifdef CONFIG_PM_SLEEP
static ssize_t async_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@ -500,6 +502,8 @@ static ssize_t async_store(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR(async, 0644, async_show, async_store);
#endif
#endif /* CONFIG_PM_ADVANCED_DEBUG */
static struct attribute *power_attrs[] = {