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Diffstat (limited to 'arch/arm/mach-omap2/clockdomain.c')
-rw-r--r--arch/arm/mach-omap2/clockdomain.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 2da3b5ec010c..b79b1ca9aee9 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -465,10 +465,7 @@ int clkdm_complete_init(void)
return -EACCES;
list_for_each_entry(clkdm, &clkdm_list, node) {
- if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
- clkdm_wakeup(clkdm);
- else if (clkdm->flags & CLKDM_CAN_DISABLE_AUTO)
- clkdm_deny_idle(clkdm);
+ clkdm_deny_idle(clkdm);
_resolve_clkdm_deps(clkdm, clkdm->wkdep_srcs);
clkdm_clear_all_wkdeps(clkdm);
@@ -925,11 +922,20 @@ void clkdm_allow_idle_nolock(struct clockdomain *clkdm)
if (!clkdm)
return;
- if (!(clkdm->flags & CLKDM_CAN_ENABLE_AUTO)) {
- pr_debug("clock: %s: automatic idle transitions cannot be enabled\n",
- clkdm->name);
+ if (!WARN_ON(!clkdm->forcewake_count))
+ clkdm->forcewake_count--;
+
+ if (clkdm->forcewake_count)
+ return;
+
+ if (!clkdm->usecount && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
+ clkdm_sleep_nolock(clkdm);
+
+ if (!(clkdm->flags & CLKDM_CAN_ENABLE_AUTO))
+ return;
+
+ if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING)
return;
- }
if (!arch_clkdm || !arch_clkdm->clkdm_allow_idle)
return;
@@ -974,11 +980,17 @@ void clkdm_deny_idle_nolock(struct clockdomain *clkdm)
if (!clkdm)
return;
- if (!(clkdm->flags & CLKDM_CAN_DISABLE_AUTO)) {
- pr_debug("clockdomain: %s: automatic idle transitions cannot be disabled\n",
- clkdm->name);
+ if (clkdm->forcewake_count++)
+ return;
+
+ if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
+ clkdm_wakeup_nolock(clkdm);
+
+ if (!(clkdm->flags & CLKDM_CAN_DISABLE_AUTO))
+ return;
+
+ if (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING)
return;
- }
if (!arch_clkdm || !arch_clkdm->clkdm_deny_idle)
return;