[PATCH v2] regulator: convert to subsys_platform_driver()

[Brian Masney]

Reduce boilerplate code in these drivers and convert them over to use
the macro subsys_platform_driver().

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
Signed-off-by: Brian Masney <bmasney@xxxxxxxxxx>
---
Changes in v2:
- Drop changes to drivers that Peng Fan already submitted.
- Link to v1: https://lore.kernel.org/all/20261106-regulator-subsys-v1-1-1f91f4204bf5@xxxxxxxxxx/
---
 drivers/regulator/qcom_rpm-regulator.c | 12 +-----------
 drivers/regulator/qcom_smd-regulator.c | 12 +-----------
 drivers/regulator/twl-regulator.c      | 12 +-----------
 drivers/regulator/twl6030-regulator.c  | 12 +-----------
 4 files changed, 4 insertions(+), 44 deletions(-)

diff --git a/drivers/regulator/qcom_rpm-regulator.c b/drivers/regulator/qcom_rpm-regulator.c
index 2d5fec1457d1..6a15dcc4fe4f 100644
--- a/drivers/regulator/qcom_rpm-regulator.c
+++ b/drivers/regulator/qcom_rpm-regulator.c
@@ -994,17 +994,7 @@ static struct platform_driver rpm_reg_driver = {
 	},
 };
 
-static int __init rpm_reg_init(void)
-{
-	return platform_driver_register(&rpm_reg_driver);
-}
-subsys_initcall(rpm_reg_init);
-
-static void __exit rpm_reg_exit(void)
-{
-	platform_driver_unregister(&rpm_reg_driver);
-}
-module_exit(rpm_reg_exit)
+subsys_platform_driver(rpm_reg_driver);
 
 MODULE_DESCRIPTION("Qualcomm RPM regulator driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c
index 6292a1643fb5..90ecd423a5a3 100644
--- a/drivers/regulator/qcom_smd-regulator.c
+++ b/drivers/regulator/qcom_smd-regulator.c
@@ -1532,17 +1532,7 @@ static struct platform_driver rpm_reg_driver = {
 	},
 };
 
-static int __init rpm_reg_init(void)
-{
-	return platform_driver_register(&rpm_reg_driver);
-}
-subsys_initcall(rpm_reg_init);
-
-static void __exit rpm_reg_exit(void)
-{
-	platform_driver_unregister(&rpm_reg_driver);
-}
-module_exit(rpm_reg_exit)
+subsys_platform_driver(rpm_reg_driver);
 
 MODULE_DESCRIPTION("Qualcomm RPM regulator driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 5bacfcebf59a..05579f2ee0e2 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -660,17 +660,7 @@ static struct platform_driver twlreg_driver = {
 	},
 };
 
-static int __init twlreg_init(void)
-{
-	return platform_driver_register(&twlreg_driver);
-}
-subsys_initcall(twlreg_init);
-
-static void __exit twlreg_exit(void)
-{
-	platform_driver_unregister(&twlreg_driver);
-}
-module_exit(twlreg_exit)
+subsys_platform_driver(twlreg_driver);
 
 MODULE_DESCRIPTION("TWL4030 regulator driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/twl6030-regulator.c b/drivers/regulator/twl6030-regulator.c
index 6eed0f6e0adb..5a7c6e2a5e0b 100644
--- a/drivers/regulator/twl6030-regulator.c
+++ b/drivers/regulator/twl6030-regulator.c
@@ -769,17 +769,7 @@ static struct platform_driver twlreg_driver = {
 	},
 };
 
-static int __init twlreg_init(void)
-{
-	return platform_driver_register(&twlreg_driver);
-}
-subsys_initcall(twlreg_init);
-
-static void __exit twlreg_exit(void)
-{
-	platform_driver_unregister(&twlreg_driver);
-}
-module_exit(twlreg_exit)
+subsys_platform_driver(twlreg_driver);
 
 MODULE_DESCRIPTION("TWL6030 regulator driver");
 MODULE_LICENSE("GPL");

---
base-commit: 630059a5a632377b9b7b487baccde92b7ae1dd47
base-tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
change-id: 20261109-regulator-subsys-fb567348c1dc

Best regards,
--  
Brian Masney <bmasney@xxxxxxxxxx>