From a22a2f016fd19dedb5fcce032af03904612114ae Mon Sep 17 00:00:00 2001
From: Tao Huang <huangtao@rock-chips.com>
Date: Sun, 26 Apr 2020 20:38:09 +0800
Subject: [PATCH] regulator: pwm: Call pwm_regulator_driver_init() early when
 CONFIG_ROCKCHIP_THUNDER_BOOT=y

Regulator init on subsys_initcall_sync level.

Change-Id: I477e8282dfb4582ac29f1b789a286c5d5ed7c60c
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
---
 drivers/regulator/pwm-regulator.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index cfae5de4dfcb..3a458c3bb02b 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -416,7 +416,21 @@ static struct platform_driver pwm_regulator_driver = {
 	.probe = pwm_regulator_probe,
 };
 
+#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
+static int __init pwm_regulator_driver_init(void)
+{
+	return platform_driver_register(&pwm_regulator_driver);
+}
+subsys_initcall_sync(pwm_regulator_driver_init);
+
+static void __exit pwm_regulator_driver_exit(void)
+{
+	platform_driver_unregister(&pwm_regulator_driver);
+}
+module_exit(pwm_regulator_driver_exit);
+#else
 module_platform_driver(pwm_regulator_driver);
+#endif
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Lee Jones <lee.jones@linaro.org>");