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Subject[PATCH] clk: imx: scu: Fix compile error with module build of clk-scu.o
Date
commit 77d8f3068c63ee0983f0b5ba3207d3f7cce11be4 (HEAD)
Author: Dong Aisheng <aisheng.dong@nxp.com>
Date: Wed Jul 29 16:00:10 2020 +0800

clk: imx: scu: add two cells binding support

This missed a #include, which results in some nasty errors when
built as a module

CC [M] drivers/clk/imx/clk-scu.o
In file included from ./include/linux/device.h:32,
from ./include/linux/of_platform.h:9,
from drivers/clk/imx/clk-scu.c:11:
./include/linux/device/driver.h:290:1: warning: data definition has no type or storage class
device_initcall(__driver##_init);
^~~~~~~~~~~~~~~
./include/linux/platform_device.h:258:2: note: in expansion of macro 'builtin_driver'
builtin_driver(__platform_driver, platform_driver_register)
^~~~~~~~~~~~~~
drivers/clk/imx/clk-scu.c:545:1: note: in expansion of macro 'builtin_platform_driver'
builtin_platform_driver(imx_clk_scu_driver);
^~~~~~~~~~~~~~~~~~~~~~~
./include/linux/device/driver.h:290:1: error: type defaults to 'int' in declaration of 'device_initcall' [-Werror=implicit-int]
device_initcall(__driver##_init);
^~~~~~~~~~~~~~~
./include/linux/platform_device.h:258:2: note: in expansion of macro 'builtin_driver'
builtin_driver(__platform_driver, platform_driver_register)
^~~~~~~~~~~~~~
drivers/clk/imx/clk-scu.c:545:1: note: in expansion of macro 'builtin_platform_driver'
builtin_platform_driver(imx_clk_scu_driver);
^~~~~~~~~~~~~~~~~~~~~~~
drivers/clk/imx/clk-scu.c:545:1: warning: parameter names (without types) in function declaration
In file included from ./include/linux/device.h:32,
from ./include/linux/of_platform.h:9,
from drivers/clk/imx/clk-scu.c:11:
drivers/clk/imx/clk-scu.c:545:25: warning: 'imx_clk_scu_driver_init' defined but not used [-Wunused-function]
builtin_platform_driver(imx_clk_scu_driver);
^~~~~~~~~~~~~~~~~~
./include/linux/device/driver.h:286:19: note: in definition of macro 'builtin_driver'
static int __init __driver##_init(void) \
^~~~~~~~
drivers/clk/imx/clk-scu.c:545:1: note: in expansion of macro 'builtin_platform_driver'
builtin_platform_driver(imx_clk_scu_driver);
^~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:283: drivers/clk/imx/clk-scu.o] Error 1

Fix by providing the include.

Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>

diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index 229a290ca5b6..15d382f6f9f8 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -8,6 +8,7 @@
#include <linux/arm-smccc.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
+#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>

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