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PM / sysfs: Convert to use sysfs_streq() 

...instead of custom approach.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2017-11-10 20:28:07 +02:00 committed by Rafael J. Wysocki
parent db68daff90
commit 325c4b3b81
1 changed files with 9 additions and 30 deletions
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39
drivers/base/power/sysfs.c
View File

@ -108,16 +108,10 @@ static ssize_t control_show(struct device *dev, struct device_attribute *attr,
static ssize_t control_store(struct device * dev, struct device_attribute *attr,
const char * buf, size_t n)
{
char *cp;
int len = n;
cp = memchr(buf, '\n', n);
if (cp)
len = cp - buf;
device_lock(dev);
if (len == sizeof ctrl_auto - 1 && strncmp(buf, ctrl_auto, len) == 0)
if (sysfs_streq(buf, ctrl_auto))
pm_runtime_allow(dev);
else if (len == sizeof ctrl_on - 1 && strncmp(buf, ctrl_on, len) == 0)
else if (sysfs_streq(buf, ctrl_on))
pm_runtime_forbid(dev);
else
n = -EINVAL;
@ -245,7 +239,7 @@ static ssize_t pm_qos_resume_latency_store(struct device *dev,
if (value == 0)
value = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT;
} else if (!strcmp(buf, "n/a") || !strcmp(buf, "n/a\n")) {
} else if (sysfs_streq(buf, "n/a")) {
value = 0;
} else {
return -EINVAL;
@ -285,9 +279,9 @@ static ssize_t pm_qos_latency_tolerance_store(struct device *dev,
if (value < 0)
return -EINVAL;
} else {
if (!strcmp(buf, "auto") || !strcmp(buf, "auto\n"))
if (sysfs_streq(buf, "auto"))
value = PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT;
else if (!strcmp(buf, "any") || !strcmp(buf, "any\n"))
else if (sysfs_streq(buf, "any"))
value = PM_QOS_LATENCY_ANY;
else
return -EINVAL;
@ -342,20 +336,12 @@ static ssize_t
wake_store(struct device * dev, struct device_attribute *attr,
const char * buf, size_t n)
{
char *cp;
int len = n;
if (!device_can_wakeup(dev))
return -EINVAL;
cp = memchr(buf, '\n', n);
if (cp)
len = cp - buf;
if (len == sizeof _enabled - 1
&& strncmp(buf, _enabled, sizeof _enabled - 1) == 0)
if (sysfs_streq(buf, _enabled))
device_set_wakeup_enable(dev, 1);
else if (len == sizeof _disabled - 1
&& strncmp(buf, _disabled, sizeof _disabled - 1) == 0)
else if (sysfs_streq(buf, _disabled))
device_set_wakeup_enable(dev, 0);
else
return -EINVAL;
@ -566,16 +552,9 @@ static ssize_t async_show(struct device *dev, struct device_attribute *attr,
static ssize_t async_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t n)
{
char *cp;
int len = n;
cp = memchr(buf, '\n', n);
if (cp)
len = cp - buf;
if (len == sizeof _enabled - 1 && strncmp(buf, _enabled, len) == 0)
if (sysfs_streq(buf, _enabled))
device_enable_async_suspend(dev);
else if (len == sizeof _disabled - 1 &&
strncmp(buf, _disabled, len) == 0)
else if (sysfs_streq(buf, _disabled))
device_disable_async_suspend(dev);
else
return -EINVAL;