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authorSylwester Nawrocki <s.nawrocki@samsung.com>2016-07-08 14:15:00 (GMT)
committerMichael Turquette <mturquette@baylibre.com>2016-07-13 21:59:53 (GMT)
commit4d252fd5719bd047a178668aa09ee8bc9de85c7c (patch)
treecc6cd7c7c3da7baf952a109725e3982327570dd0 /drivers
parent4c7c28ffe9658ebfb43e638d9d267e1be2ffb71c (diff)
downloadlinux-4d252fd5719bd047a178668aa09ee8bc9de85c7c.tar.xz
clk: samsung: Allow modular build of the Audio Subsystem CLKCON driver
Any clock dependencies can be properly handled with deferred probing so we can remove core_initcall and switch to a proper loadable platform driver module. This change has been tested on Exynos4412 Odroid U3 based board. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Michael Turquette <mturquette@baylibre.com> Link: lkml.kernel.org/r/1467987300-31450-1-git-send-email-s.nawrocki@samsung.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/samsung/Kconfig9
-rw-r--r--drivers/clk/samsung/Makefile2
-rw-r--r--drivers/clk/samsung/clk-exynos-audss.c12
3 files changed, 11 insertions, 12 deletions
diff --git a/drivers/clk/samsung/Kconfig b/drivers/clk/samsung/Kconfig
index 20c5fe9..addc652 100644
--- a/drivers/clk/samsung/Kconfig
+++ b/drivers/clk/samsung/Kconfig
@@ -9,6 +9,15 @@ config EXYNOS_ARM64_COMMON_CLK
bool "Samsung Exynos ARMv8-family clock controller support" if COMPILE_TEST
depends on COMMON_CLK_SAMSUNG
+config EXYNOS_AUDSS_CLK_CON
+ tristate "Samsung Exynos AUDSS clock controller support"
+ depends on COMMON_CLK_SAMSUNG
+ default y if ARCH_EXYNOS
+ help
+ Support for the Audio Subsystem CLKCON clock controller present
+ on some Exynos SoC variants. Choose M or Y here if you want to
+ use audio devices such as I2S, PCM, etc.
+
# For S3C24XX platforms, select following symbols:
config S3C2410_COMMON_CLK
bool "Samsung S3C2410 clock controller support" if COMPILE_TEST
diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile
index fc367d4..57f4dc6 100644
--- a/drivers/clk/samsung/Makefile
+++ b/drivers/clk/samsung/Makefile
@@ -12,7 +12,7 @@ obj-$(CONFIG_SOC_EXYNOS5410) += clk-exynos5410.o
obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o
obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos5433.o
obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o
-obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o
+obj-$(CONFIG_EXYNOS_AUDSS_CLK_CON) += clk-exynos-audss.o
obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-clkout.o
obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos7.o
obj-$(CONFIG_S3C2410_COMMON_CLK)+= clk-s3c2410.o
diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c
index 4e9584d..bdf8b97 100644
--- a/drivers/clk/samsung/clk-exynos-audss.c
+++ b/drivers/clk/samsung/clk-exynos-audss.c
@@ -273,17 +273,7 @@ static struct platform_driver exynos_audss_clk_driver = {
.remove = exynos_audss_clk_remove,
};
-static int __init exynos_audss_clk_init(void)
-{
- return platform_driver_register(&exynos_audss_clk_driver);
-}
-core_initcall(exynos_audss_clk_init);
-
-static void __exit exynos_audss_clk_exit(void)
-{
- platform_driver_unregister(&exynos_audss_clk_driver);
-}
-module_exit(exynos_audss_clk_exit);
+module_platform_driver(exynos_audss_clk_driver);
MODULE_AUTHOR("Padmavathi Venna <padma.v@samsung.com>");
MODULE_DESCRIPTION("Exynos Audio Subsystem Clock Controller");