forked from Minki/linux
clk: Extract OF clock helpers in <linux/of_clk.h>
The use of of_clk_get_parent_{count,name}() and of_clk_init() is not limited to clock providers. Hence move these helpers into their own header file, so callers that are not clock providers no longer have to include <linux/clk-provider.h>. Suggested-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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@ -3556,6 +3556,7 @@ F: drivers/clk/
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X: drivers/clk/clkdev.c
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F: include/linux/clk-pr*
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F: include/linux/clk/
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F: include/linux/of_clk.h
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COMMON INTERNET FILE SYSTEM (CIFS)
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M: Steve French <sfrench@samba.org>
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@ -13,6 +13,7 @@
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#include <linux/io.h>
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#include <linux/of.h>
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#include <linux/of_clk.h>
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#ifdef CONFIG_COMMON_CLK
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@ -890,13 +891,10 @@ struct clk_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec,
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struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data);
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struct clk_hw *of_clk_hw_onecell_get(struct of_phandle_args *clkspec,
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void *data);
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unsigned int of_clk_get_parent_count(struct device_node *np);
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int of_clk_parent_fill(struct device_node *np, const char **parents,
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unsigned int size);
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const char *of_clk_get_parent_name(struct device_node *np, int index);
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int of_clk_detect_critical(struct device_node *np, int index,
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unsigned long *flags);
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void of_clk_init(const struct of_device_id *matches);
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#else /* !CONFIG_OF */
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@ -943,26 +941,16 @@ of_clk_hw_onecell_get(struct of_phandle_args *clkspec, void *data)
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{
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return ERR_PTR(-ENOENT);
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}
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static inline unsigned int of_clk_get_parent_count(struct device_node *np)
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{
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return 0;
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}
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static inline int of_clk_parent_fill(struct device_node *np,
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const char **parents, unsigned int size)
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{
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return 0;
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}
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static inline const char *of_clk_get_parent_name(struct device_node *np,
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int index)
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{
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return NULL;
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}
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static inline int of_clk_detect_critical(struct device_node *np, int index,
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unsigned long *flags)
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{
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return 0;
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}
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static inline void of_clk_init(const struct of_device_id *matches) {}
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#endif /* CONFIG_OF */
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/*
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30
include/linux/of_clk.h
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30
include/linux/of_clk.h
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@ -0,0 +1,30 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* OF clock helpers
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*/
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#ifndef __LINUX_OF_CLK_H
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#define __LINUX_OF_CLK_H
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#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_OF)
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unsigned int of_clk_get_parent_count(struct device_node *np);
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const char *of_clk_get_parent_name(struct device_node *np, int index);
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void of_clk_init(const struct of_device_id *matches);
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#else /* !CONFIG_COMMON_CLK || !CONFIG_OF */
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static inline unsigned int of_clk_get_parent_count(struct device_node *np)
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{
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return 0;
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}
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static inline const char *of_clk_get_parent_name(struct device_node *np,
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int index)
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{
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return NULL;
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}
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static inline void of_clk_init(const struct of_device_id *matches) {}
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#endif /* !CONFIG_COMMON_CLK || !CONFIG_OF */
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#endif /* __LINUX_OF_CLK_H */
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