diff options
| author |   Rafael J. Wysocki <rjw@sisk.pl> | 2011-12-06 22:19:54 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-12-06 22:19:54 +0100 |
| commit | e84b2c202771bbd538866207efcb1f7dbab8045b (patch) | |
| tree | 00f62ed8f422c587897c7eb6ac6cd8c4dca508ab /drivers/base | |
| parent | PM / Domains: fix compilation failure for CONFIG_PM_GENERIC_DOMAINS unset (diff) | |
| download | linux-dev-e84b2c202771bbd538866207efcb1f7dbab8045b.tar.xz linux-dev-e84b2c202771bbd538866207efcb1f7dbab8045b.zip | |
PM / Domains: Make it possible to assign names to generic PM domains
Add a name member pointer to struct generic_pm_domain and use it in
diagnostic messages regarding the domain power-off and power-on
latencies. Update the ARM shmobile SH7372 code to assign names to
the PM domains used by it.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Magnus Damm <damm@opensource.se>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/power/domain.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 5a8d67d51f0e..ad6ba2e04677 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -209,8 +209,13 @@ int __pm_genpd_poweron(struct generic_pm_domain *genpd) goto err; elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start)); - if (elapsed_ns > genpd->power_on_latency_ns) + if (elapsed_ns > genpd->power_on_latency_ns) { genpd->power_on_latency_ns = elapsed_ns; + if (genpd->name) + pr_warning("%s: Power-on latency exceeded, " + "new value %lld ns\n", genpd->name, + elapsed_ns); + } } genpd_set_active(genpd); @@ -428,8 +433,13 @@ static int pm_genpd_poweroff(struct generic_pm_domain *genpd) } elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start)); - if (elapsed_ns > genpd->power_off_latency_ns) + if (elapsed_ns > genpd->power_off_latency_ns) { genpd->power_off_latency_ns = elapsed_ns; + if (genpd->name) + pr_warning("%s: Power-off latency exceeded, " + "new value %lld ns\n", genpd->name, + elapsed_ns); + } } genpd->status = GPD_STATE_POWER_OFF; |