diff options
author | Sudeep Holla <sudeep.holla@arm.com> | 2023-10-06 09:40:10 +0100 |
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committer | Sudeep Holla <sudeep.holla@arm.com> | 2023-10-06 09:40:10 +0100 |
commit | 0a30c0e9ca293a6680b1a124684cf80c142b1fa0 (patch) | |
tree | 13164e8813405e625155bd63b2d038e8c55a40e4 /drivers/base/power/domain.c | |
parent | 8b6022be4c6e3e0d37c3e1378c9ff0a2c8717b09 (diff) | |
parent | 0025ff64ffcf6bd6ece5484e7818401f77bf115f (diff) |
Merge branch 'opp/pm-domain-scmi' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into for-next/scmi/updates
This is the merge of immutable point in PM OPP tree shared with SCMI so
that the SCMI changes based on these OPP changes can be merged via the
SCMI tree.
* 'opp/pm-domain-scmi' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
OPP: Extend support for the opp-level beyond required-opps
OPP: Switch to use dev_pm_domain_set_performance_state()
OPP: Extend dev_pm_opp_data with a level
OPP: Add dev_pm_opp_add_dynamic() to allow more flexibility
PM: domains: Implement the ->set_performance_state() callback for genpd
PM: domains: Introduce dev_pm_domain_set_performance_state()
Diffstat (limited to 'drivers/base/power/domain.c')
-rw-r--r-- | drivers/base/power/domain.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index c74edf80417f..da1777e39eaa 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -420,6 +420,25 @@ static void genpd_restore_performance_state(struct device *dev, genpd_set_performance_state(dev, state); } +static int genpd_dev_pm_set_performance_state(struct device *dev, + unsigned int state) +{ + struct generic_pm_domain *genpd = dev_to_genpd(dev); + int ret = 0; + + genpd_lock(genpd); + if (pm_runtime_suspended(dev)) { + dev_gpd_data(dev)->rpm_pstate = state; + } else { + ret = genpd_set_performance_state(dev, state); + if (!ret) + dev_gpd_data(dev)->rpm_pstate = 0; + } + genpd_unlock(genpd); + + return ret; +} + /** * dev_pm_genpd_set_performance_state- Set performance state of device's power * domain. @@ -438,7 +457,6 @@ static void genpd_restore_performance_state(struct device *dev, int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state) { struct generic_pm_domain *genpd; - int ret = 0; genpd = dev_to_genpd_safe(dev); if (!genpd) @@ -448,17 +466,7 @@ int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state) !dev->power.subsys_data->domain_data)) return -EINVAL; - genpd_lock(genpd); - if (pm_runtime_suspended(dev)) { - dev_gpd_data(dev)->rpm_pstate = state; - } else { - ret = genpd_set_performance_state(dev, state); - if (!ret) - dev_gpd_data(dev)->rpm_pstate = 0; - } - genpd_unlock(genpd); - - return ret; + return genpd_dev_pm_set_performance_state(dev, state); } EXPORT_SYMBOL_GPL(dev_pm_genpd_set_performance_state); @@ -2080,6 +2088,7 @@ int pm_genpd_init(struct generic_pm_domain *genpd, genpd->domain.ops.restore_noirq = genpd_restore_noirq; genpd->domain.ops.complete = genpd_complete; genpd->domain.start = genpd_dev_pm_start; + genpd->domain.set_performance_state = genpd_dev_pm_set_performance_state; if (genpd->flags & GENPD_FLAG_PM_CLK) { genpd->dev_ops.stop = pm_clk_suspend; |