[PATCH 3/9] clk: imx: Support building SCU clock driver as module
From: Anson Huang <hidden>
Date: 2020-06-08 13:23:28
Also in:
linux-clk, lkml
Subsystem:
common clk framework, nxp i.mx clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Abel Vesa, Linus Torvalds
There are more and more requirements of building SoC specific drivers as modules, add support for building SCU clock driver as module to meet the requirement. Signed-off-by: Anson Huang <redacted> --- drivers/clk/imx/Kconfig | 2 +- drivers/clk/imx/Makefile | 5 ++--- drivers/clk/imx/clk-scu.c | 5 +++++ 3 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index db0253f..503d6c8 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig@@ -5,7 +5,7 @@ config MXC_CLK def_bool ARCH_MXC config MXC_CLK_SCU - bool + tristate "IMX SCU clock" depends on IMX_SCU config CLK_IMX8MM
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
index 928f874..1af8cff 100644
--- a/drivers/clk/imx/Makefile
+++ b/drivers/clk/imx/Makefile@@ -21,9 +21,8 @@ obj-$(CONFIG_MXC_CLK) += \ clk-sscg-pll.o \ clk-pll14xx.o -obj-$(CONFIG_MXC_CLK_SCU) += \ - clk-scu.o \ - clk-lpcg-scu.o +mxc-clk-scu-objs += clk-scu.o clk-lpcg-scu.o +obj-$(CONFIG_MXC_CLK_SCU) += mxc-clk-scu.o obj-$(CONFIG_CLK_IMX8MM) += clk-imx8mm.o obj-$(CONFIG_CLK_IMX8MN) += clk-imx8mn.o
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index b8b2072..9688981 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/slab.h> #include "clk-scu.h"
@@ -132,6 +133,7 @@ int imx_clk_scu_init(void) { return imx_scu_get_handle(&ccm_ipc_handle); } +EXPORT_SYMBOL_GPL(imx_clk_scu_init); /* * clk_scu_recalc_rate - Get clock rate for a SCU clock
@@ -387,3 +389,6 @@ struct clk_hw *__imx_clk_scu(const char *name, const char * const *parents, return hw; } +EXPORT_SYMBOL_GPL(__imx_clk_scu); + +MODULE_LICENSE("GPL v2");
--
2.7.4
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