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authorUlf Hansson <ulf.hansson@linaro.org>2015-10-15 17:02:19 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-10-28 04:33:04 +0100
commit2b1d88cda32f81685bae45c00bf517f77bcda3cd (patch)
tree6e61c6e8868866887fc14cb647b0c9d0636767c8 /include/linux/pm_domain.h
parent51cda844892fded75d3ad07d0233e73572eba2f3 (diff)
PM / Domains: Merge measurements for PM QoS device latencies
Measure latency does by itself contribute to an increased latency, thus we should avoid it when it isn't needed. By merging the latency measurements for the ->save_state() and the ->stop() callbacks, we get one measurement instead of two and we get one value to store instead of two. Let's also apply the likewise change for the ->start() and ->restore_state() callbacks. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Lina Iyer <lina.iyer@linaro.org> Acked-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/pm_domain.h')
-rw-r--r--include/linux/pm_domain.h6
1 files changed, 2 insertions, 4 deletions
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index f4dd8105b024..ba4ced38efae 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -81,10 +81,8 @@ struct gpd_link {
};
struct gpd_timing_data {
- s64 stop_latency_ns;
- s64 start_latency_ns;
- s64 save_state_latency_ns;
- s64 restore_state_latency_ns;
+ s64 suspend_latency_ns;
+ s64 resume_latency_ns;
s64 effective_constraint_ns;
bool constraint_changed;
bool cached_stop_ok;