From: Gyeongtaek Lee <gt82.lee@samsung.com>
Date: Thu, 29 Mar 2018 05:37:28 +0000 (+0900)
Subject: mfd: madera: add delay before enabling regulators
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=598cd94f5aafd135cd10c078b21781e5df70fb87;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

mfd: madera: add delay before enabling regulators

Change-Id: I8fe817cb80a536192f586b95bad3dd87ffb3e456
Signed-off-by: Gyeongtaek Lee <gt82.lee@samsung.com>
---

diff --git a/drivers/mfd/madera-core.c b/drivers/mfd/madera-core.c
index c3e940dc977d..5e4a30d4dea6 100644
--- a/drivers/mfd/madera-core.c
+++ b/drivers/mfd/madera-core.c
@@ -453,6 +453,9 @@ static int madera_get_reset_gpio(struct madera *madera)
 			ret = 0;
 	}
 
+	/* Ensure period of reset asserted before we apply the supplies */
+	msleep(20);
+
 	if (ret == -EPROBE_DEFER)
 		return ret;