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PM: Constify info string used in messages 

The 'info' string appearing in many places points to a .rodata string so
it should be passes as pointer to const.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Krzysztof Kozlowski 2017-06-12 17:19:32 +02:00 committed by Rafael J. Wysocki
parent 952856db90
commit e3771fa98e
1 changed files with 15 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/base/power/main.c
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@ -208,7 +208,8 @@ static ktime_t initcall_debug_start(struct device *dev)
}
static void initcall_debug_report(struct device *dev, ktime_t calltime,
int error, pm_message_t state, char *info)
int error, pm_message_t state,
const char *info)
{
ktime_t rettime;
s64 nsecs;
@ -403,21 +404,22 @@ static pm_callback_t pm_noirq_op(const struct dev_pm_ops *ops, pm_message_t stat
return NULL;
}
static void pm_dev_dbg(struct device *dev, pm_message_t state, char *info)
static void pm_dev_dbg(struct device *dev, pm_message_t state, const char *info)
{
dev_dbg(dev, "%s%s%s\n", info, pm_verb(state.event),
((state.event & PM_EVENT_SLEEP) && device_may_wakeup(dev)) ?
", may wakeup" : "");
}
static void pm_dev_err(struct device *dev, pm_message_t state, char *info,
static void pm_dev_err(struct device *dev, pm_message_t state, const char *info,
int error)
{
printk(KERN_ERR "PM: Device %s failed to %s%s: error %d\n",
dev_name(dev), pm_verb(state.event), info, error);
}
static void dpm_show_time(ktime_t starttime, pm_message_t state, char *info)
static void dpm_show_time(ktime_t starttime, pm_message_t state,
const char *info)
{
ktime_t calltime;
u64 usecs64;
@ -435,7 +437,7 @@ static void dpm_show_time(ktime_t starttime, pm_message_t state, char *info)
}
static int dpm_run_callback(pm_callback_t cb, struct device *dev,
pm_message_t state, char *info)
pm_message_t state, const char *info)
{
ktime_t calltime;
int error;
@ -535,7 +537,7 @@ static void dpm_watchdog_clear(struct dpm_watchdog *wd)
static int device_resume_noirq(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
char *info = NULL;
const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@ -665,7 +667,7 @@ void dpm_resume_noirq(pm_message_t state)
static int device_resume_early(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
char *info = NULL;
const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@ -793,7 +795,7 @@ EXPORT_SYMBOL_GPL(dpm_resume_start);
static int device_resume(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
char *info = NULL;
const char *info = NULL;
int error = 0;
DECLARE_DPM_WATCHDOG_ON_STACK(wd);
@ -955,7 +957,7 @@ void dpm_resume(pm_message_t state)
static void device_complete(struct device *dev, pm_message_t state)
{
void (*callback)(struct device *) = NULL;
char *info = NULL;
const char *info = NULL;
if (dev->power.syscore)
return;
@ -1080,7 +1082,7 @@ static pm_message_t resume_event(pm_message_t sleep_state)
static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
char *info = NULL;
const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@ -1225,7 +1227,7 @@ int dpm_suspend_noirq(pm_message_t state)
static int __device_suspend_late(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
char *info = NULL;
const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@ -1384,7 +1386,7 @@ EXPORT_SYMBOL_GPL(dpm_suspend_end);
*/
static int legacy_suspend(struct device *dev, pm_message_t state,
int (*cb)(struct device *dev, pm_message_t state),
char *info)
const char *info)
{
int error;
ktime_t calltime;
@ -1426,7 +1428,7 @@ static void dpm_clear_suppliers_direct_complete(struct device *dev)
static int __device_suspend(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
char *info = NULL;
const char *info = NULL;
int error = 0;
DECLARE_DPM_WATCHDOG_ON_STACK(wd);