Unverified Commit 5f4081d6 authored by Jerome Brunet's avatar Jerome Brunet Committed by Stephen Boyd
Browse files

clk: add a clk_hw helpers to get the clock device or device_node 



Add helpers to get the device or device_node associated with clk_hw.

This can be used by clock drivers to access various device related
functionality such as devres, dev_ prints, etc ...

Signed-off-by: default avatarJerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20250417-clk-hw-get-helpers-v1-1-7743e509612a@baylibre.com


Reviewed-by: default avatarBrian Masney <bmasney@redhat.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 19272b37

drivers/clk/clk.c

+12 −0
Original line number Diff line number Diff line
@@ -365,6 +365,18 @@ const char *clk_hw_get_name(const struct clk_hw *hw) 
}

EXPORT_SYMBOL_GPL(clk_hw_get_name);



struct device *clk_hw_get_dev(const struct clk_hw *hw)

{

	return hw->core->dev;

}

EXPORT_SYMBOL_GPL(clk_hw_get_dev);



struct device_node *clk_hw_get_of_node(const struct clk_hw *hw)

{

	return hw->core->of_node;

}

EXPORT_SYMBOL_GPL(clk_hw_get_of_node);



struct clk_hw *__clk_get_hw(struct clk *clk)

{

	return !clk ? NULL : clk->core->hw;

include/linux/clk-provider.h

+26 −0
Original line number Diff line number Diff line
@@ -1360,6 +1360,32 @@ void clk_hw_unregister(struct clk_hw *hw); 
/* helper functions */

const char *__clk_get_name(const struct clk *clk);

const char *clk_hw_get_name(const struct clk_hw *hw);



/**

 * clk_hw_get_dev() - get device from an hardware clock.

 * @hw: the clk_hw pointer to get the struct device from

 *

 * This is a helper to get the struct device associated with a hardware

 * clock. Some clock controllers, such as the one registered with

 * CLK_OF_DECLARE(), may have not provided a device pointer while

 * registering the clock.

 *

 * Return: the struct device associated with the clock, or NULL if there

 * is none.

 */

struct device *clk_hw_get_dev(const struct clk_hw *hw);



/**

 * clk_hw_get_of_node() - get device_node from a hardware clock.

 * @hw: the clk_hw pointer to get the struct device_node from

 *

 * This is a helper to get the struct device_node associated with a

 * hardware clock.

 *

 * Return: the struct device_node associated with the clock, or NULL

 * if there is none.

 */

struct device_node *clk_hw_get_of_node(const struct clk_hw *hw);

#ifdef CONFIG_COMMON_CLK

struct clk_hw *__clk_get_hw(struct clk *clk);

#else