From 3ca9bb33c627f22640cfca97fdf88eec0a120dfd Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Wed, 29 Jul 2015 16:23:03 +0530 Subject: PM / OPP: Add clock-latency-ns support With "operating-points-v2" bindings, clock-latency is defined per OPP. Users of this value expect a single value which defines the latency to switch to any clock rate. Find maximum clock-latency-ns from the OPP table to service requests from such users. Reviewed-by: Stephen Boyd Reviewed-by: Bartlomiej Zolnierkiewicz Signed-off-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- include/linux/pm_opp.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux/pm_opp.h') diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index cec2d4540914..20324b579adc 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -31,6 +31,7 @@ unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp); unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); int dev_pm_opp_get_opp_count(struct device *dev); +unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev); struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, @@ -67,6 +68,11 @@ static inline int dev_pm_opp_get_opp_count(struct device *dev) return 0; } +static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev) +{ + return 0; +} + static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, bool available) { -- cgit v1.2.3