Commit 4af2cfc2 authored by Maxime Ripard's avatar Maxime Ripard Committed by Stephen Boyd
Browse files

clk: bcm: rpi: Create helper to retrieve private data 



The RaspberryPi firmware clocks driver uses in several instances a
container_of to retrieve the struct raspberrypi_clk_data from a pointer
to struct clk_hw. Let's create a small function to avoid duplicating it
all over the place.

Acked-by: default avatarStephen Boyd <sboyd@kernel.org>
Signed-off-by: default avatarMaxime Ripard <mripard@kernel.org>
Signed-off-by: default avatarDave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20250116-bcm2712-clk-updates-v1-4-10bc92ffbf41@raspberrypi.com


Reviewed-by: default avatarFlorian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 4d85abb0

drivers/clk/bcm/clk-raspberrypi.c

+10 −8
Original line number Diff line number Diff line
@@ -56,6 +56,12 @@ struct raspberrypi_clk_data { 
	struct raspberrypi_clk *rpi;

};



static inline

const struct raspberrypi_clk_data *clk_hw_to_data(const struct clk_hw *hw)

{

	return container_of(hw, struct raspberrypi_clk_data, hw);

}



struct raspberrypi_clk_variant {

	bool		export;

	char		*clkdev;
@@ -176,8 +182,7 @@ static int raspberrypi_clock_property(struct rpi_firmware *firmware, 


static int raspberrypi_fw_is_prepared(struct clk_hw *hw)

{

	struct raspberrypi_clk_data *data =

		container_of(hw, struct raspberrypi_clk_data, hw);

	const struct raspberrypi_clk_data *data = clk_hw_to_data(hw);

	struct raspberrypi_clk *rpi = data->rpi;

	u32 val = 0;

	int ret;
@@ -194,8 +199,7 @@ static int raspberrypi_fw_is_prepared(struct clk_hw *hw) 
static unsigned long raspberrypi_fw_get_rate(struct clk_hw *hw,

					     unsigned long parent_rate)

{

	struct raspberrypi_clk_data *data =

		container_of(hw, struct raspberrypi_clk_data, hw);

	const struct raspberrypi_clk_data *data = clk_hw_to_data(hw);

	struct raspberrypi_clk *rpi = data->rpi;

	u32 val = 0;

	int ret;
@@ -211,8 +215,7 @@ static unsigned long raspberrypi_fw_get_rate(struct clk_hw *hw, 
static int raspberrypi_fw_set_rate(struct clk_hw *hw, unsigned long rate,

				   unsigned long parent_rate)

{

	struct raspberrypi_clk_data *data =

		container_of(hw, struct raspberrypi_clk_data, hw);

	const struct raspberrypi_clk_data *data = clk_hw_to_data(hw);

	struct raspberrypi_clk *rpi = data->rpi;

	u32 _rate = rate;

	int ret;
@@ -229,8 +232,7 @@ static int raspberrypi_fw_set_rate(struct clk_hw *hw, unsigned long rate, 
static int raspberrypi_fw_dumb_determine_rate(struct clk_hw *hw,

					      struct clk_rate_request *req)

{

	struct raspberrypi_clk_data *data =

		container_of(hw, struct raspberrypi_clk_data, hw);

	const struct raspberrypi_clk_data *data = clk_hw_to_data(hw);

	struct raspberrypi_clk_variant *variant = data->variant;



	/*