Commit 4a4472fd authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Stephen Boyd
Browse files

of: clk: Make of_clk_get_parent_{count,name}() parameter const 



of_clk_get_parent_count() and of_clk_get_parent_name() never modify the
device nodes passed, so they can be const.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lkml.kernel.org/r/20200212094317.1150-1-geert+renesas@glider.be


Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent bb6d3fb3

drivers/clk/clk.c

+2 −2
Original line number Diff line number Diff line
@@ -4713,7 +4713,7 @@ EXPORT_SYMBOL(of_clk_get_by_name); 
 *

 * Returns: The number of clocks that are possible parents of this node

 */

unsigned int of_clk_get_parent_count(struct device_node *np)

unsigned int of_clk_get_parent_count(const struct device_node *np)

{

	int count;
@@ -4725,7 +4725,7 @@ unsigned int of_clk_get_parent_count(struct device_node *np) 
}

EXPORT_SYMBOL_GPL(of_clk_get_parent_count);



const char *of_clk_get_parent_name(struct device_node *np, int index)

const char *of_clk_get_parent_name(const struct device_node *np, int index)

{

	struct of_phandle_args clkspec;

	struct property *prop;

include/linux/of_clk.h

+4 −4
Original line number Diff line number Diff line
@@ -11,17 +11,17 @@ struct of_device_id; 


#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_OF)



unsigned int of_clk_get_parent_count(struct device_node *np);

const char *of_clk_get_parent_name(struct device_node *np, int index);

unsigned int of_clk_get_parent_count(const struct device_node *np);

const char *of_clk_get_parent_name(const struct device_node *np, int index);

void of_clk_init(const struct of_device_id *matches);



#else /* !CONFIG_COMMON_CLK || !CONFIG_OF */



static inline unsigned int of_clk_get_parent_count(struct device_node *np)

static inline unsigned int of_clk_get_parent_count(const struct device_node *np)

{

	return 0;

}

static inline const char *of_clk_get_parent_name(struct device_node *np,

static inline const char *of_clk_get_parent_name(const struct device_node *np,

						 int index)

{

	return NULL;

CRA Git | Maintained and supported by SUSTech CRA and CCSE