[PATCH v2 03/11] clk: fixed-factor: Introduce *clk_hw_register_fixed_factor_parent_hw()

Marijn Suijten
2022-06-01T22:08:03Z

Add the devres and non-devres variant of
clk_hw_register_fixed_factor_parent_hw() for registering a fixed factor
clock with clk_hw parent pointer instead of parent name.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
---
drivers/clk/clk-fixed-factor.c | 57 ++++++++++++++++++++++++++++------
include/linux/clk-provider.h | 8 +++++
2 files changed, 55 insertions(+), 10 deletions(-)

diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index 54942d758ee6..fabb98d0cdb2 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -78,7 +78,8 @@ static void devm_clk_hw_register_fixed_factor_release(struct device *dev, void *

static struct clk_hw *
__clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
- const char *name, const char *parent_name, int index,
+ const char *name, const char *parent_name,
+ const struct clk_hw *parent_hw, int index,
unsigned long flags, unsigned int mult, unsigned int div,
bool devm)
{
@@ -108,7 +109,9 @@ __clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
init.name = name;
init.ops = &clk_fixed_factor_ops;
init.flags = flags;
- if (parent_name)
+ if (parent_hw)
+ init.parent_hws = &parent_hw;
+ else if (parent_name)
init.parent_names = &parent_name;
else
init.parent_data = &pdata;
@@ -148,17 +151,50 @@ struct clk_hw *devm_clk_hw_register_fixed_factor_index(struct device *dev,
const char *name, unsigned int index, unsigned long flags,
unsigned int mult, unsigned int div)
{
- return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, index,
- flags, mult, div, true);
+ return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, NULL,
+ index, flags, mult, div, true);
}
EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_index);

+/**
+ * devm_clk_hw_register_fixed_factor_parent_hw - Register a fixed factor clock with
+ * pointer to parent clock
+ * @dev: device that is registering this clock
+ * @name: name of this clock
+ * @parent_hw: pointer to parent clk
+ * @flags: fixed factor flags
+ * @mult: multiplier
+ * @div: divider
+ *
+ * Return: Pointer to fixed factor clk_hw structure that was registered or
+ * an error pointer.
+ */
+struct clk_hw *devm_clk_hw_register_fixed_factor_parent_hw(struct device *dev,
+ const char *name, const struct clk_hw *parent_hw,
+ unsigned long flags, unsigned int mult, unsigned int div)
+{
+ return __clk_hw_register_fixed_factor(dev, NULL, name, NULL, parent_hw,
+ -1, flags, mult, div, true);
+}
+EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor_parent_hw);
+
+struct clk_hw *clk_hw_register_fixed_factor_parent_hw(struct device *dev,
+ const char *name, const struct clk_hw *parent_hw,
+ unsigned long flags, unsigned int mult, unsigned int div)
+{
+ return __clk_hw_register_fixed_factor(dev, NULL, name, NULL,
+ parent_hw, -1, flags, mult, div,
+ false);
+}
+EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor_parent_hw);
+
struct clk_hw *clk_hw_register_fixed_factor(struct device *dev,
const char *name, const char *parent_name, unsigned long flags,
unsigned int mult, unsigned int div)
{
- return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, -1,
- flags, mult, div, false);
+ return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name,
+ NULL, -1, flags, mult, div,
+ false);
}
EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor);

@@ -204,8 +240,9 @@ struct clk_hw *devm_clk_hw_register_fixed_factor(struct device *dev,
const char *name, const char *parent_name, unsigned long flags,
unsigned int mult, unsigned int div)
{
- return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name, -1,
- flags, mult, div, true);
+ return __clk_hw_register_fixed_factor(dev, NULL, name, parent_name,
+ NULL, -1, flags, mult, div,
+ true);
}
EXPORT_SYMBOL_GPL(devm_clk_hw_register_fixed_factor);

@@ -240,8 +277,8 @@ static struct clk_hw *_of_fixed_factor_clk_setup(struct device_node *node)
if (of_match_node(set_rate_parent_matches, node))
flags |= CLK_SET_RATE_PARENT;

- hw = __clk_hw_register_fixed_factor(NULL, node, clk_name, NULL, 0,
- flags, mult, div, false);
+ hw = __clk_hw_register_fixed_factor(NULL, node, clk_name, NULL, NULL,
+ 0, flags, mult, div, false);
if (IS_ERR(hw)) {
/*
* Clear OF_POPULATED flag so that clock registration can be
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 316c7e082934..94458cb669f0 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -1032,6 +1032,14 @@ struct clk_hw *devm_clk_hw_register_fixed_factor(struct device *dev,
struct clk_hw *devm_clk_hw_register_fixed_factor_index(struct device *dev,
const char *name, unsigned int index, unsigned long flags,
unsigned int mult, unsigned int div);
+
+struct clk_hw *devm_clk_hw_register_fixed_factor_parent_hw(struct device *dev,
+ const char *name, const struct clk_hw *parent_hw,
+ unsigned long flags, unsigned int mult, unsigned int div);
+
+struct clk_hw *clk_hw_register_fixed_factor_parent_hw(struct device *dev,
+ const char *name, const struct clk_hw *parent_hw,
+ unsigned long flags, unsigned int mult, unsigned int div);
/**
* struct clk_fractional_divider - adjustable fractional divider clock
*
--
2.36.1