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path: root/arch/arm/mach-omap2/clockdomain.c
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Diffstat (limited to 'arch/arm/mach-omap2/clockdomain.c')
-rw-r--r--arch/arm/mach-omap2/clockdomain.c91
1 files changed, 51 insertions, 40 deletions
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 8664f5a8bfb6..cbb879139c51 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -174,9 +174,8 @@ void _clkdm_add_autodeps(struct clockdomain *clkdm)
if (IS_ERR(autodep->clkdm.ptr))
continue;
- pr_debug("clockdomain: adding %s sleepdep/wkdep for "
- "clkdm %s\n", autodep->clkdm.ptr->name,
- clkdm->name);
+ pr_debug("clockdomain: %s: adding %s sleepdep/wkdep\n",
+ clkdm->name, autodep->clkdm.ptr->name);
clkdm_add_sleepdep(clkdm, autodep->clkdm.ptr);
clkdm_add_wkdep(clkdm, autodep->clkdm.ptr);
@@ -205,9 +204,8 @@ void _clkdm_del_autodeps(struct clockdomain *clkdm)
if (IS_ERR(autodep->clkdm.ptr))
continue;
- pr_debug("clockdomain: removing %s sleepdep/wkdep for "
- "clkdm %s\n", autodep->clkdm.ptr->name,
- clkdm->name);
+ pr_debug("clockdomain: %s: removing %s sleepdep/wkdep\n",
+ clkdm->name, autodep->clkdm.ptr->name);
clkdm_del_sleepdep(clkdm, autodep->clkdm.ptr);
clkdm_del_wkdep(clkdm, autodep->clkdm.ptr);
@@ -469,14 +467,14 @@ int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
ret = -EINVAL;
if (ret) {
- pr_debug("clockdomain: hardware cannot set/clear wake up of "
- "%s when %s wakes up\n", clkdm1->name, clkdm2->name);
+ pr_debug("clockdomain: hardware cannot set/clear wake up of %s when %s wakes up\n",
+ clkdm1->name, clkdm2->name);
return ret;
}
if (atomic_inc_return(&cd->wkdep_usecount) == 1) {
- pr_debug("clockdomain: hardware will wake up %s when %s wakes "
- "up\n", clkdm1->name, clkdm2->name);
+ pr_debug("clockdomain: hardware will wake up %s when %s wakes up\n",
+ clkdm1->name, clkdm2->name);
ret = arch_clkdm->clkdm_add_wkdep(clkdm1, clkdm2);
}
@@ -510,14 +508,14 @@ int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
ret = -EINVAL;
if (ret) {
- pr_debug("clockdomain: hardware cannot set/clear wake up of "
- "%s when %s wakes up\n", clkdm1->name, clkdm2->name);
+ pr_debug("clockdomain: hardware cannot set/clear wake up of %s when %s wakes up\n",
+ clkdm1->name, clkdm2->name);
return ret;
}
if (atomic_dec_return(&cd->wkdep_usecount) == 0) {
- pr_debug("clockdomain: hardware will no longer wake up %s "
- "after %s wakes up\n", clkdm1->name, clkdm2->name);
+ pr_debug("clockdomain: hardware will no longer wake up %s after %s wakes up\n",
+ clkdm1->name, clkdm2->name);
ret = arch_clkdm->clkdm_del_wkdep(clkdm1, clkdm2);
}
@@ -555,8 +553,8 @@ int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
ret = -EINVAL;
if (ret) {
- pr_debug("clockdomain: hardware cannot set/clear wake up of "
- "%s when %s wakes up\n", clkdm1->name, clkdm2->name);
+ pr_debug("clockdomain: hardware cannot set/clear wake up of %s when %s wakes up\n",
+ clkdm1->name, clkdm2->name);
return ret;
}
@@ -613,15 +611,14 @@ int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
ret = -EINVAL;
if (ret) {
- pr_debug("clockdomain: hardware cannot set/clear sleep "
- "dependency affecting %s from %s\n", clkdm1->name,
- clkdm2->name);
+ pr_debug("clockdomain: hardware cannot set/clear sleep dependency affecting %s from %s\n",
+ clkdm1->name, clkdm2->name);
return ret;
}
if (atomic_inc_return(&cd->sleepdep_usecount) == 1) {
- pr_debug("clockdomain: will prevent %s from sleeping if %s "
- "is active\n", clkdm1->name, clkdm2->name);
+ pr_debug("clockdomain: will prevent %s from sleeping if %s is active\n",
+ clkdm1->name, clkdm2->name);
ret = arch_clkdm->clkdm_add_sleepdep(clkdm1, clkdm2);
}
@@ -657,16 +654,14 @@ int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
ret = -EINVAL;
if (ret) {
- pr_debug("clockdomain: hardware cannot set/clear sleep "
- "dependency affecting %s from %s\n", clkdm1->name,
- clkdm2->name);
+ pr_debug("clockdomain: hardware cannot set/clear sleep dependency affecting %s from %s\n",
+ clkdm1->name, clkdm2->name);
return ret;
}
if (atomic_dec_return(&cd->sleepdep_usecount) == 0) {
- pr_debug("clockdomain: will no longer prevent %s from "
- "sleeping if %s is active\n", clkdm1->name,
- clkdm2->name);
+ pr_debug("clockdomain: will no longer prevent %s from sleeping if %s is active\n",
+ clkdm1->name, clkdm2->name);
ret = arch_clkdm->clkdm_del_sleepdep(clkdm1, clkdm2);
}
@@ -706,9 +701,8 @@ int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
ret = -EINVAL;
if (ret) {
- pr_debug("clockdomain: hardware cannot set/clear sleep "
- "dependency affecting %s from %s\n", clkdm1->name,
- clkdm2->name);
+ pr_debug("clockdomain: hardware cannot set/clear sleep dependency affecting %s from %s\n",
+ clkdm1->name, clkdm2->name);
return ret;
}
@@ -755,8 +749,8 @@ int clkdm_sleep(struct clockdomain *clkdm)
return -EINVAL;
if (!(clkdm->flags & CLKDM_CAN_FORCE_SLEEP)) {
- pr_debug("clockdomain: %s does not support forcing "
- "sleep via software\n", clkdm->name);
+ pr_debug("clockdomain: %s does not support forcing sleep via software\n",
+ clkdm->name);
return -EINVAL;
}
@@ -790,8 +784,8 @@ int clkdm_wakeup(struct clockdomain *clkdm)
return -EINVAL;
if (!(clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)) {
- pr_debug("clockdomain: %s does not support forcing "
- "wakeup via software\n", clkdm->name);
+ pr_debug("clockdomain: %s does not support forcing wakeup via software\n",
+ clkdm->name);
return -EINVAL;
}
@@ -826,8 +820,8 @@ void clkdm_allow_idle(struct clockdomain *clkdm)
return;
if (!(clkdm->flags & CLKDM_CAN_ENABLE_AUTO)) {
- pr_debug("clock: automatic idle transitions cannot be enabled "
- "on clockdomain %s\n", clkdm->name);
+ pr_debug("clock: %s: automatic idle transitions cannot be enabled\n",
+ clkdm->name);
return;
}
@@ -861,8 +855,8 @@ void clkdm_deny_idle(struct clockdomain *clkdm)
return;
if (!(clkdm->flags & CLKDM_CAN_DISABLE_AUTO)) {
- pr_debug("clockdomain: automatic idle transitions cannot be "
- "disabled on %s\n", clkdm->name);
+ pr_debug("clockdomain: %s: automatic idle transitions cannot be disabled\n",
+ clkdm->name);
return;
}
@@ -905,6 +899,23 @@ bool clkdm_in_hwsup(struct clockdomain *clkdm)
return ret;
}
+/**
+ * clkdm_missing_idle_reporting - can @clkdm enter autoidle even if in use?
+ * @clkdm: struct clockdomain *
+ *
+ * Returns true if clockdomain @clkdm has the
+ * CLKDM_MISSING_IDLE_REPORTING flag set, or false if not or @clkdm is
+ * null. More information is available in the documentation for the
+ * CLKDM_MISSING_IDLE_REPORTING macro.
+ */
+bool clkdm_missing_idle_reporting(struct clockdomain *clkdm)
+{
+ if (!clkdm)
+ return false;
+
+ return (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING) ? true : false;
+}
+
/* Clockdomain-to-clock/hwmod framework interface code */
static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
@@ -927,7 +938,7 @@ static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
pwrdm_state_switch(clkdm->pwrdm.ptr);
spin_unlock_irqrestore(&clkdm->lock, flags);
- pr_debug("clockdomain: clkdm %s: enabled\n", clkdm->name);
+ pr_debug("clockdomain: %s: enabled\n", clkdm->name);
return 0;
}
@@ -952,7 +963,7 @@ static int _clkdm_clk_hwmod_disable(struct clockdomain *clkdm)
pwrdm_state_switch(clkdm->pwrdm.ptr);
spin_unlock_irqrestore(&clkdm->lock, flags);
- pr_debug("clockdomain: clkdm %s: disabled\n", clkdm->name);
+ pr_debug("clockdomain: %s: disabled\n", clkdm->name);
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-23 14:49:40 +0300