From: Liam Breck <kernel@networkimprov.net>
Date: Tue, 11 Apr 2017 11:59:57 +0000 (-0700)
Subject: power: supply: bq24190_charger: Longer delay while polling reset flag
X-Git-Tag: v4.12-rc1~172^2~2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=61489b0f9fa835cd2fef67ae26790cdf64b6b1c7;p=karo-tx-linux.git

power: supply: bq24190_charger: Longer delay while polling reset flag

On chip reset, polling loop used udelay(10) which is too short
to be useful. Instead, use usleep_range(100, 200).

Signed-off-by: Liam Breck <kernel@networkimprov.net>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
---

diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
index 13b22e4a80cd..7c893c00fa05 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -550,16 +550,13 @@ static int bq24190_register_reset(struct bq24190_dev_info *bdi)
 		if (ret < 0)
 			return ret;
 
-		if (!v)
-			break;
+		if (v == 0)
+			return 0;
 
-		udelay(10);
+		usleep_range(100, 200);
 	} while (--limit);
 
-	if (!limit)
-		return -EIO;
-
-	return 0;
+	return -EIO;
 }
 
 /* Charger power supply property routines */