From: Max Uvarov <muvarov@gmail.com>
Date: Mon, 25 Feb 2019 09:15:10 +0000 (+0300)
Subject: net: phy: dp83867: add soft reset delay
X-Git-Tag: v5.4-rc1~1562^2~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=72a7d452b0f09dcd5d3e18cff1e3839f8b1acc1f;p=platform%2Fkernel%2Flinux-rpi.git

net: phy: dp83867: add soft reset delay

Similar to dp83640 delay after soft reset
is needed to set up registers correctly.

Signed-off-by: Max Uvarov <muvarov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index da6a67d..56fa360 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -19,6 +19,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/phy.h>
+#include <linux/delay.h>
 
 #include <dt-bindings/net/ti-dp83867.h>
 
@@ -325,6 +326,8 @@ static int dp83867_phy_reset(struct phy_device *phydev)
 	if (err < 0)
 		return err;
 
+	usleep_range(10, 20);
+
 	return dp83867_config_init(phydev);
 }