[PATCH] clocksource: Convert to subsys_platform_driver()

[Peng Fan (OSS)]

From: Peng Fan <peng.fan@xxxxxxx>

Replace the open-coded subsys_initcall()/module_exit() platform driver
registration with subsys_platform_driver().

No functional change.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
 drivers/clocksource/em_sti.c  | 13 +------------
 drivers/clocksource/sh_cmt.c  | 13 +------------
 drivers/clocksource/sh_mtu2.c | 13 +------------
 drivers/clocksource/sh_tmu.c  | 13 +------------
 4 files changed, 4 insertions(+), 48 deletions(-)

diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index 73a3357d173d..b35c32fbc539 100644
--- a/drivers/clocksource/em_sti.c
+++ b/drivers/clocksource/em_sti.c
@@ -346,18 +346,7 @@ static struct platform_driver em_sti_device_driver = {
 	}
 };
 
-static int __init em_sti_init(void)
-{
-	return platform_driver_register(&em_sti_device_driver);
-}
-
-static void __exit em_sti_exit(void)
-{
-	platform_driver_unregister(&em_sti_device_driver);
-}
-
-subsys_initcall(em_sti_init);
-module_exit(em_sti_exit);
+subsys_platform_driver(em_sti_device_driver);
 
 MODULE_AUTHOR("Magnus Damm");
 MODULE_DESCRIPTION("Renesas Emma Mobile STI Timer Driver");
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 7977507f6ce3..b7170c6b733f 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -1168,22 +1168,11 @@ static struct platform_driver sh_cmt_device_driver = {
 	.id_table	= sh_cmt_id_table,
 };
 
-static int __init sh_cmt_init(void)
-{
-	return platform_driver_register(&sh_cmt_device_driver);
-}
-
-static void __exit sh_cmt_exit(void)
-{
-	platform_driver_unregister(&sh_cmt_device_driver);
-}
-
 #ifdef CONFIG_SUPERH
 sh_early_platform_init("earlytimer", &sh_cmt_device_driver);
 #endif
 
-subsys_initcall(sh_cmt_init);
-module_exit(sh_cmt_exit);
+subsys_platform_driver(sh_cmt_device_driver);
 
 MODULE_AUTHOR("Magnus Damm");
 MODULE_DESCRIPTION("SuperH CMT Timer Driver");
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index 3aca86d6a2d4..c44338d8e938 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -505,22 +505,11 @@ static struct platform_driver sh_mtu2_device_driver = {
 	.id_table	= sh_mtu2_id_table,
 };
 
-static int __init sh_mtu2_init(void)
-{
-	return platform_driver_register(&sh_mtu2_device_driver);
-}
-
-static void __exit sh_mtu2_exit(void)
-{
-	platform_driver_unregister(&sh_mtu2_device_driver);
-}
-
 #ifdef CONFIG_SUPERH
 sh_early_platform_init("earlytimer", &sh_mtu2_device_driver);
 #endif
 
-subsys_initcall(sh_mtu2_init);
-module_exit(sh_mtu2_exit);
+subsys_platform_driver(sh_mtu2_device_driver);
 
 MODULE_AUTHOR("Magnus Damm");
 MODULE_DESCRIPTION("SuperH MTU2 Timer Driver");
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 8b3cfa6727bd..b4a32961aa24 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -636,22 +636,11 @@ static struct platform_driver sh_tmu_device_driver = {
 	.id_table	= sh_tmu_id_table,
 };
 
-static int __init sh_tmu_init(void)
-{
-	return platform_driver_register(&sh_tmu_device_driver);
-}
-
-static void __exit sh_tmu_exit(void)
-{
-	platform_driver_unregister(&sh_tmu_device_driver);
-}
-
 #ifdef CONFIG_SUPERH
 sh_early_platform_init("earlytimer", &sh_tmu_device_driver);
 #endif
 
-subsys_initcall(sh_tmu_init);
-module_exit(sh_tmu_exit);
+subsys_platform_driver(sh_tmu_device_driver);
 
 MODULE_AUTHOR("Magnus Damm");
 MODULE_DESCRIPTION("SuperH TMU Timer Driver");
-- 
2.51.0