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of: clk: Make <linux/of_clk.h> self-contained

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Depending on include order:

    include/linux/of_clk.h:11:45: warning: ‘struct device_node’ declared inside parameter list will not be visible outside of this definition or declaration
     unsigned int of_clk_get_parent_count(struct device_node *np);
						 ^~~~~~~~~~~
    include/linux/of_clk.h:12:43: warning: ‘struct device_node’ declared inside parameter list will not be visible outside of this definition or declaration
     const char *of_clk_get_parent_name(struct device_node *np, int index);
					       ^~~~~~~~~~~
    include/linux/of_clk.h:13:31: warning: ‘struct of_device_id’ declared inside parameter list will not be visible outside of this definition or declaration
     void of_clk_init(const struct of_device_id *matches);
				   ^~~~~~~~~~~~

Fix this by adding forward declarations for struct device_node and
struct of_device_id.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lkml.kernel.org/r/20200205194649.31309-1-geert+renesas@glider.be
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2020-02-05 20:46:49 +01:00 committed by Stephen Boyd
parent 563528b831
commit 5df867145f
1 changed files with 3 additions and 0 deletions
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3
include/linux/of_clk.h
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@ -6,6 +6,9 @@
#ifndef __LINUX_OF_CLK_H
#define __LINUX_OF_CLK_H
struct device_node;
struct of_device_id;
#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_OF)
unsigned int of_clk_get_parent_count(struct device_node *np);