Commit ea650c26 authored by Elaine Zhang's avatar Elaine Zhang Committed by Heiko Stuebner
Browse files

clk: rockchip: Export some clock common APIs for module drivers 



This is used by the Rockchip clk driver, export it to allow that
driver to be compiled as a module.

Signed-off-by: default avatarElaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: default avatarKever Yang <kever.yang@rock-chips.com>
Reviewed-by: default avatarStephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022225.23613-5-zhangqing@rock-chips.com


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 37353491

drivers/clk/rockchip/clk.c

+30 −22
Original line number Diff line number Diff line
@@ -360,8 +360,9 @@ static struct clk *rockchip_clk_register_factor_branch(const char *name, 
	return hw->clk;

}



struct rockchip_clk_provider * __init rockchip_clk_init(struct device_node *np,

			void __iomem *base, unsigned long nr_clks)

struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np,

						void __iomem *base,

						unsigned long nr_clks)

{

	struct rockchip_clk_provider *ctx;

	struct clk **clk_table;
@@ -393,14 +394,16 @@ err_free: 
	kfree(ctx);

	return ERR_PTR(-ENOMEM);

}

EXPORT_SYMBOL_GPL(rockchip_clk_init);



void __init rockchip_clk_of_add_provider(struct device_node *np,

void rockchip_clk_of_add_provider(struct device_node *np,

				  struct rockchip_clk_provider *ctx)

{

	if (of_clk_add_provider(np, of_clk_src_onecell_get,

				&ctx->clk_data))

		pr_err("%s: could not register clk provider\n", __func__);

}

EXPORT_SYMBOL_GPL(rockchip_clk_of_add_provider);



void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx,

			     struct clk *clk, unsigned int id)
@@ -408,8 +411,9 @@ void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx, 
	if (ctx->clk_data.clks && id)

		ctx->clk_data.clks[id] = clk;

}

EXPORT_SYMBOL_GPL(rockchip_clk_add_lookup);



void __init rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,

void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx,

				struct rockchip_pll_clock *list,

				unsigned int nr_pll, int grf_lock_offset)

{
@@ -432,9 +436,9 @@ void __init rockchip_clk_register_plls(struct rockchip_clk_provider *ctx, 
		rockchip_clk_add_lookup(ctx, clk, list->id);

	}

}

EXPORT_SYMBOL_GPL(rockchip_clk_register_plls);



void __init rockchip_clk_register_branches(

				      struct rockchip_clk_provider *ctx,

void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,

				    struct rockchip_clk_branch *list,

				    unsigned int nr_clk)

{
@@ -565,8 +569,9 @@ void __init rockchip_clk_register_branches( 
		rockchip_clk_add_lookup(ctx, clk, list->id);

	}

}

EXPORT_SYMBOL_GPL(rockchip_clk_register_branches);



void __init rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,

void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx,

				  unsigned int lookup_id,

				  const char *name, const char *const *parent_names,

				  u8 num_parents,
@@ -587,8 +592,9 @@ void __init rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx, 


	rockchip_clk_add_lookup(ctx, clk, lookup_id);

}

EXPORT_SYMBOL_GPL(rockchip_clk_register_armclk);



void __init rockchip_clk_protect_critical(const char *const clocks[],

void rockchip_clk_protect_critical(const char *const clocks[],

				   int nclocks)

{

	int i;
@@ -601,6 +607,7 @@ void __init rockchip_clk_protect_critical(const char *const clocks[], 
			clk_prepare_enable(clk);

	}

}

EXPORT_SYMBOL_GPL(rockchip_clk_protect_critical);



static void __iomem *rst_base;

static unsigned int reg_restart;
@@ -620,7 +627,7 @@ static struct notifier_block rockchip_restart_handler = { 
	.priority = 128,

};



void __init

void

rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx,

				   unsigned int reg,

				   void (*cb)(void))
@@ -635,3 +642,4 @@ rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx, 
		pr_err("%s: cannot register restart handler, %d\n",

		       __func__, ret);

}

EXPORT_SYMBOL_GPL(rockchip_register_restart_notifier);

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