linux-kernel - [PATCH 1/3] clk: imx: Declare clock init functions in header acessible from mach

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Message-Id: <20200902150244.14347-1-krzk@kernel.org>
Date:   Wed,  2 Sep 2020 17:02:42 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Russell King <linux@...linux.org.uk>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 1/3] clk: imx: Declare clock init functions in header acessible from mach

Multiple files from arch/arm/mach-imx/ use clock init functions which
are defined in the IMX clock drivers.  Declare them in globally
accessible header to fix GCC warnings:

  drivers/clk/imx/clk-imx21.c:122:74: warning: no previous prototype for 'mx21_clocks_init' [-Wmissing-prototypes]

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/clk/imx/clk-imx21.c |  1 +
 drivers/clk/imx/clk-imx27.c |  1 +
 drivers/clk/imx/clk-imx31.c |  1 +
 drivers/clk/imx/clk-imx35.c |  1 +
 include/linux/clk/imx.h     | 11 +++++++++++
 5 files changed, 15 insertions(+)
 create mode 100644 include/linux/clk/imx.h

diff --git a/drivers/clk/imx/clk-imx21.c b/drivers/clk/imx/clk-imx21.c
index 077b4a7123ce..2105ef57b6bc 100644
--- a/drivers/clk/imx/clk-imx21.c
+++ b/drivers/clk/imx/clk-imx21.c
@@ -7,6 +7,7 @@
 
 #include <linux/clk-provider.h>
 #include <linux/clkdev.h>
+#include <linux/clk/imx.h>
 #include <linux/io.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
diff --git a/drivers/clk/imx/clk-imx27.c b/drivers/clk/imx/clk-imx27.c
index a3753067fc12..c0d8bcdf0719 100644
--- a/drivers/clk/imx/clk-imx27.c
+++ b/drivers/clk/imx/clk-imx27.c
@@ -2,6 +2,7 @@
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/clkdev.h>
+#include <linux/clk/imx.h>
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/of.h>
diff --git a/drivers/clk/imx/clk-imx31.c b/drivers/clk/imx/clk-imx31.c
index 4bb05e440cdd..25be4c292e44 100644
--- a/drivers/clk/imx/clk-imx31.c
+++ b/drivers/clk/imx/clk-imx31.c
@@ -6,6 +6,7 @@
 #include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/clkdev.h>
+#include <linux/clk/imx.h>
 #include <linux/io.h>
 #include <linux/err.h>
 #include <linux/of.h>
diff --git a/drivers/clk/imx/clk-imx35.c b/drivers/clk/imx/clk-imx35.c
index e595f559907f..baf8d236d6ef 100644
--- a/drivers/clk/imx/clk-imx35.c
+++ b/drivers/clk/imx/clk-imx35.c
@@ -5,6 +5,7 @@
 #include <linux/mm.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
+#include <linux/clk/imx.h>
 #include <linux/io.h>
 #include <linux/clkdev.h>
 #include <linux/of.h>
diff --git a/include/linux/clk/imx.h b/include/linux/clk/imx.h
new file mode 100644
index 000000000000..f6394d1b0a94
--- /dev/null
+++ b/include/linux/clk/imx.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __LINUX_CLK_IMX_H
+#define __LINUX_CLK_IMX_H
+
+int mx21_clocks_init(unsigned long lref, unsigned long href);
+int mx27_clocks_init(unsigned long fref);
+int mx31_clocks_init(unsigned long fref);
+int mx35_clocks_init(void);
+
+#endif /* __LINUX_CLK_IMX_H */
-- 
2.17.1