clk: Add clk_hw_*() APIs for use by clk providers
clk providers shouldn't need to use the consumer APIs (clk.h).
Add provider APIs to replace the __clk_*() APIs that take a
struct clk_hw as their first argument instead of a struct clk.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 4912c2e..a30fd30 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -278,6 +278,12 @@
}
EXPORT_SYMBOL_GPL(__clk_get_name);
+const char *clk_hw_get_name(struct clk_hw *hw)
+{
+ return hw->core->name;
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_name);
+
struct clk_hw *__clk_get_hw(struct clk *clk)
{
return !clk ? NULL : clk->core->hw;
@@ -290,6 +296,12 @@
}
EXPORT_SYMBOL_GPL(__clk_get_num_parents);
+unsigned int clk_hw_get_num_parents(struct clk_hw *hw)
+{
+ return hw->core->num_parents;
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_num_parents);
+
struct clk *__clk_get_parent(struct clk *clk)
{
if (!clk)
@@ -300,6 +312,12 @@
}
EXPORT_SYMBOL_GPL(__clk_get_parent);
+struct clk_hw *clk_hw_get_parent(struct clk_hw *hw)
+{
+ return hw->core->parent ? hw->core->parent->hw : NULL;
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_parent);
+
static struct clk_core *__clk_lookup_subtree(const char *name,
struct clk_core *core)
{
@@ -370,6 +388,16 @@
}
EXPORT_SYMBOL_GPL(clk_get_parent_by_index);
+struct clk_hw *clk_hw_get_parent_by_index(struct clk_hw *hw, unsigned int index)
+{
+ struct clk_core *parent;
+
+ parent = clk_core_get_parent_by_index(hw->core, index);
+
+ return !parent ? NULL : parent->hw;
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_parent_by_index);
+
unsigned int __clk_get_enable_count(struct clk *clk)
{
return !clk ? 0 : clk->core->enable_count;
@@ -405,6 +433,12 @@
}
EXPORT_SYMBOL_GPL(__clk_get_rate);
+unsigned long clk_hw_get_rate(struct clk_hw *hw)
+{
+ return clk_core_get_rate_nolock(hw->core);
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_rate);
+
static unsigned long __clk_get_accuracy(struct clk_core *core)
{
if (!core)
@@ -419,6 +453,12 @@
}
EXPORT_SYMBOL_GPL(__clk_get_flags);
+unsigned long clk_hw_get_flags(struct clk_hw *hw)
+{
+ return hw->core->flags;
+}
+EXPORT_SYMBOL_GPL(clk_hw_get_flags);
+
bool __clk_is_prepared(struct clk *clk)
{
if (!clk)
@@ -427,6 +467,11 @@
return clk_core_is_prepared(clk->core);
}
+bool clk_hw_is_prepared(struct clk_hw *hw)
+{
+ return clk_core_is_prepared(hw->core);
+}
+
bool __clk_is_enabled(struct clk *clk)
{
if (!clk)
@@ -861,6 +906,22 @@
}
EXPORT_SYMBOL_GPL(__clk_round_rate);
+unsigned long clk_hw_round_rate(struct clk_hw *hw, unsigned long rate)
+{
+ int ret;
+ struct clk_rate_request req;
+
+ clk_core_get_boundaries(hw->core, &req.min_rate, &req.max_rate);
+ req.rate = rate;
+
+ ret = clk_core_round_rate_nolock(hw->core, &req);
+ if (ret)
+ return 0;
+
+ return req.rate;
+}
+EXPORT_SYMBOL_GPL(clk_hw_round_rate);
+
/**
* clk_round_rate - round the given rate for a clk
* @clk: the clk for which we are rounding a rate