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Commit ff02c6c0 authored by Stephen Boyd's avatar Stephen Boyd Committed by Stephen Boyd
Browse files

clk: bcm: iproc: Migrate to clk_hw based registration and OF APIs 



Now that we have clk_hw based provider APIs to register clks, we
can get rid of struct clk pointers while registering clks in
these drivers, allowing us to move closer to a clear split of
consumer and provider clk APIs.

Cc: Jon Mason <jonmason@broadcom.com>
Cc: Simran Rai <ssimran@broadcom.com>
Signed-off-by: default avatarStephen Boyd <stephen.boyd@linaro.org>
Tested-by: default avatarRay Jui <rjui@broadcom.com>
Signed-off-by: default avatarStephen Boyd <sboyd@codeaurora.org>
parent fb2cd7d0

drivers/clk/bcm/clk-iproc-armpll.c

+4 −5
Original line number Diff line number Diff line
@@ -244,7 +244,6 @@ static const struct clk_ops iproc_arm_pll_ops = { 
void __init iproc_armpll_setup(struct device_node *node)

{

	int ret;

	struct clk *clk;

	struct iproc_arm_pll *pll;

	struct clk_init_data init;

	const char *parent_name;
@@ -265,18 +264,18 @@ void __init iproc_armpll_setup(struct device_node *node) 
	init.num_parents = (parent_name ? 1 : 0);

	pll->hw.init = &init;



	clk = clk_register(NULL, &pll->hw);

	if (WARN_ON(IS_ERR(clk)))

	ret = clk_hw_register(NULL, &pll->hw);

	if (WARN_ON(ret))

		goto err_iounmap;



	ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);

	ret = of_clk_add_hw_provider(node, of_clk_hw_simple_get, &pll->hw);

	if (WARN_ON(ret))

		goto err_clk_unregister;



	return;



err_clk_unregister:

	clk_unregister(clk);

	clk_hw_unregister(&pll->hw);

err_iounmap:

	iounmap(pll->base);

err_free_pll:

drivers/clk/bcm/clk-iproc-asiu.c

+13 −14
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ struct iproc_asiu { 
	void __iomem *div_base;

	void __iomem *gate_base;



	struct clk_onecell_data clk_data;

	struct clk_hw_onecell_data *clk_data;

	struct iproc_asiu_clk *clks;

};
@@ -197,11 +197,11 @@ void __init iproc_asiu_setup(struct device_node *node, 
	if (WARN_ON(!asiu))

		return;



	asiu->clk_data.clk_num = num_clks;

	asiu->clk_data.clks = kcalloc(num_clks, sizeof(*asiu->clk_data.clks),

				      GFP_KERNEL);

	if (WARN_ON(!asiu->clk_data.clks))

	asiu->clk_data = kzalloc(sizeof(*asiu->clk_data->hws) * num_clks +

				 sizeof(*asiu->clk_data), GFP_KERNEL);

	if (WARN_ON(!asiu->clk_data))

		goto err_clks;

	asiu->clk_data->num = num_clks;



	asiu->clks = kcalloc(num_clks, sizeof(*asiu->clks), GFP_KERNEL);

	if (WARN_ON(!asiu->clks))
@@ -217,7 +217,6 @@ void __init iproc_asiu_setup(struct device_node *node, 


	for (i = 0; i < num_clks; i++) {

		struct clk_init_data init;

		struct clk *clk;

		const char *parent_name;

		struct iproc_asiu_clk *asiu_clk;

		const char *clk_name;
@@ -240,22 +239,22 @@ void __init iproc_asiu_setup(struct device_node *node, 
		init.num_parents = (parent_name ? 1 : 0);

		asiu_clk->hw.init = &init;



		clk = clk_register(NULL, &asiu_clk->hw);

		if (WARN_ON(IS_ERR(clk)))

		ret = clk_hw_register(NULL, &asiu_clk->hw);

		if (WARN_ON(ret))

			goto err_clk_register;

		asiu->clk_data.clks[i] = clk;

		asiu->clk_data->hws[i] = &asiu_clk->hw;

	}



	ret = of_clk_add_provider(node, of_clk_src_onecell_get,

				  &asiu->clk_data);

	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get,

				     asiu->clk_data);

	if (WARN_ON(ret))

		goto err_clk_register;



	return;



err_clk_register:

	for (i = 0; i < num_clks; i++)

		clk_unregister(asiu->clk_data.clks[i]);

	while (--i >= 0)

		clk_hw_unregister(asiu->clk_data->hws[i]);

	iounmap(asiu->gate_base);



err_iomap_gate:
@@ -265,7 +264,7 @@ void __init iproc_asiu_setup(struct device_node *node, 
	kfree(asiu->clks);



err_asiu_clks:

	kfree(asiu->clk_data.clks);

	kfree(asiu->clk_data);



err_clks:

	kfree(asiu);

drivers/clk/bcm/clk-iproc-pll.c

+16 −16
Original line number Diff line number Diff line
@@ -89,7 +89,7 @@ struct iproc_pll { 
	const struct iproc_pll_vco_param *vco_param;

	unsigned int num_vco_entries;



	struct clk_onecell_data clk_data;

	struct clk_hw_onecell_data *clk_data;

	struct iproc_clk *clks;

};
@@ -625,7 +625,6 @@ void __init iproc_pll_clk_setup(struct device_node *node, 
				unsigned int num_clks)

{

	int i, ret;

	struct clk *clk;

	struct iproc_pll *pll;

	struct iproc_clk *iclk;

	struct clk_init_data init;
@@ -638,11 +637,11 @@ void __init iproc_pll_clk_setup(struct device_node *node, 
	if (WARN_ON(!pll))

		return;



	pll->clk_data.clk_num = num_clks;

	pll->clk_data.clks = kcalloc(num_clks, sizeof(*pll->clk_data.clks),

				     GFP_KERNEL);

	if (WARN_ON(!pll->clk_data.clks))

	pll->clk_data = kzalloc(sizeof(*pll->clk_data->hws) * num_clks +

				sizeof(*pll->clk_data), GFP_KERNEL);

	if (WARN_ON(!pll->clk_data))

		goto err_clk_data;

	pll->clk_data->num = num_clks;



	pll->clks = kcalloc(num_clks, sizeof(*pll->clks), GFP_KERNEL);

	if (WARN_ON(!pll->clks))
@@ -694,11 +693,11 @@ void __init iproc_pll_clk_setup(struct device_node *node, 


	iproc_pll_sw_cfg(pll);



	clk = clk_register(NULL, &iclk->hw);

	if (WARN_ON(IS_ERR(clk)))

	ret = clk_hw_register(NULL, &iclk->hw);

	if (WARN_ON(ret))

		goto err_pll_register;



	pll->clk_data.clks[0] = clk;

	pll->clk_data->hws[0] = &iclk->hw;



	/* now initialize and register all leaf clocks */

	for (i = 1; i < num_clks; i++) {
@@ -724,22 +723,23 @@ void __init iproc_pll_clk_setup(struct device_node *node, 
		init.num_parents = (parent_name ? 1 : 0);

		iclk->hw.init = &init;



		clk = clk_register(NULL, &iclk->hw);

		if (WARN_ON(IS_ERR(clk)))

		ret = clk_hw_register(NULL, &iclk->hw);

		if (WARN_ON(ret))

			goto err_clk_register;



		pll->clk_data.clks[i] = clk;

		pll->clk_data->hws[i] = &iclk->hw;

	}



	ret = of_clk_add_provider(node, of_clk_src_onecell_get, &pll->clk_data);

	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get,

				     pll->clk_data);

	if (WARN_ON(ret))

		goto err_clk_register;



	return;



err_clk_register:

	for (i = 0; i < num_clks; i++)

		clk_unregister(pll->clk_data.clks[i]);

	while (--i >= 0)

		clk_hw_unregister(pll->clk_data->hws[i]);



err_pll_register:

	if (pll->status_base != pll->control_base)
@@ -759,7 +759,7 @@ void __init iproc_pll_clk_setup(struct device_node *node, 
	kfree(pll->clks);



err_clks:

	kfree(pll->clk_data.clks);

	kfree(pll->clk_data);



err_clk_data:

	kfree(pll);