linux-kernel - [PATCH] of: clk: Make <linux/of

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Date:   Wed,  5 Feb 2020 20:46:49 +0100
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH] of: clk: Make <linux/of_clk.h> self-contained

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@...der.be>
---
Noticed when cleaning up some platform code.
I am not aware of this being triggered in upstream, but this will become a
dependency for these cleanups.

 include/linux/of_clk.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/of_clk.h b/include/linux/of_clk.h
index b27da9f164cbd221..c86fcad23fc21725 100644
--- a/include/linux/of_clk.h
+++ b/include/linux/of_clk.h
@@ -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);
-- 
2.17.1