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Code Issues Releases Wiki Activity

clk: fixed-factor: Introduce *clk_hw_register_fixed_factor_parent_hw() 

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>
Link: https://lore.kernel.org/r/20220629225331.357308-4-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Marijn Suijten 2022-06-30 00:53:23 +02:00 committed by Stephen Boyd
parent df63af17f3
commit 6ebd5247ad
2 changed files with 48 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/clk/clk-fixed-factor.c
View File

@ -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)
{
@ -110,6 +111,8 @@ __clk_hw_register_fixed_factor(struct device *dev, struct device_node *np,
init.flags = flags;
if (parent_name)
init.parent_names = &parent_name;
else if (parent_hw)
init.parent_hws = &parent_hw;
else
init.parent_data = &pdata;
init.num_parents = 1;
@ -148,16 +151,48 @@ 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,
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,
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);
@ -204,7 +239,7 @@ 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,
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);
@ -231,7 +266,7 @@ static struct clk_hw *_of_fixed_factor_clk_setup(struct device_node *node)
of_property_read_string(node, "clock-output-names", &clk_name);
hw = __clk_hw_register_fixed_factor(NULL, node, clk_name, NULL, 0,
hw = __clk_hw_register_fixed_factor(NULL, node, clk_name, NULL, NULL, 0,
0, mult, div, false);
if (IS_ERR(hw)) {
/*

8
include/linux/clk-provider.h
View File

@ -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
*