From e84b2c202771bbd538866207efcb1f7dbab8045b Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Tue, 6 Dec 2011 22:19:54 +0100 Subject: 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 Acked-by: Magnus Damm --- drivers/base/power/domain.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 5a8d67d..ad6ba2e 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; -- cgit v1.1