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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-07-21 02:10:22 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-07-24 23:53:45 +0200
commit48059c095bafc2ba23da1b3fa26b6ba142cb854f (patch)
tree31923d2f879a2c25848e7de3cf3a57d876a27924 /drivers/base
parent786f41fb6b008ea4341355b99083a38853a5311d (diff)
PM / core: Add error argument to dpm_show_time()
Make the core device suspend/resume code also call dpm_show_time() on failures and add an error argument to this function so that the message printed by it can reflect the success or failure condition. This makes the debug messages in question look less confusing in the failing cases. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/main.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 9b194e9f49a9..f64e5b819e5c 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -418,7 +418,7 @@ static void pm_dev_err(struct device *dev, pm_message_t state, const char *info,
dev_name(dev), pm_verb(state.event), info, error);
}
-static void dpm_show_time(ktime_t starttime, pm_message_t state,
+static void dpm_show_time(ktime_t starttime, pm_message_t state, int error,
const char *info)
{
ktime_t calltime;
@@ -432,8 +432,9 @@ static void dpm_show_time(ktime_t starttime, pm_message_t state,
if (usecs == 0)
usecs = 1;
- pm_pr_dbg("%s%s%s of devices complete after %ld.%03ld msecs\n",
+ pm_pr_dbg("%s%s%s of devices %s after %ld.%03ld msecs\n",
info ?: "", info ? " " : "", pm_verb(state.event),
+ error ? "aborted" : "complete",
usecs / USEC_PER_MSEC, usecs % USEC_PER_MSEC);
}
@@ -643,7 +644,7 @@ void dpm_noirq_resume_devices(pm_message_t state)
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
- dpm_show_time(starttime, state, "noirq");
+ dpm_show_time(starttime, state, 0, "noirq");
trace_suspend_resume(TPS("dpm_resume_noirq"), state.event, false);
}
@@ -782,7 +783,7 @@ void dpm_resume_early(pm_message_t state)
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
- dpm_show_time(starttime, state, "early");
+ dpm_show_time(starttime, state, 0, "early");
trace_suspend_resume(TPS("dpm_resume_early"), state.event, false);
}
@@ -954,7 +955,7 @@ void dpm_resume(pm_message_t state)
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
- dpm_show_time(starttime, state, NULL);
+ dpm_show_time(starttime, state, 0, NULL);
cpufreq_resume();
trace_suspend_resume(TPS("dpm_resume"), state.event, false);
@@ -1211,9 +1212,8 @@ int dpm_noirq_suspend_devices(pm_message_t state)
if (error) {
suspend_stats.failed_suspend_noirq++;
dpm_save_failed_step(SUSPEND_SUSPEND_NOIRQ);
- } else {
- dpm_show_time(starttime, state, "noirq");
}
+ dpm_show_time(starttime, state, error, "noirq");
trace_suspend_resume(TPS("dpm_suspend_noirq"), state.event, false);
return error;
}
@@ -1371,9 +1371,8 @@ int dpm_suspend_late(pm_message_t state)
suspend_stats.failed_suspend_late++;
dpm_save_failed_step(SUSPEND_SUSPEND_LATE);
dpm_resume_early(resume_event(state));
- } else {
- dpm_show_time(starttime, state, "late");
}
+ dpm_show_time(starttime, state, error, "late");
trace_suspend_resume(TPS("dpm_suspend_late"), state.event, false);
return error;
}
@@ -1639,8 +1638,8 @@ int dpm_suspend(pm_message_t state)
if (error) {
suspend_stats.failed_suspend++;
dpm_save_failed_step(SUSPEND_SUSPEND);
- } else
- dpm_show_time(starttime, state, NULL);
+ }
+ dpm_show_time(starttime, state, error, NULL);
trace_suspend_resume(TPS("dpm_suspend"), state.event, false);
return error;
}