netdev - [PATCH] net: phy: dp83867: add soft reset delay

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Date:   Mon, 25 Feb 2019 12:15:10 +0300
From:   Max Uvarov <muvarov@...il.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, f.fainelli@...il.com, andrew@...n.ch,
        Max Uvarov <muvarov@...il.com>
Subject: [PATCH] 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@...il.com>
---
 drivers/net/phy/dp83867.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index ac8ba642d616..e1ec36c51511 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>
 
@@ -347,6 +348,8 @@ static int dp83867_phy_reset(struct phy_device *phydev)
 	if (err < 0)
 		return err;
 
+	usleep_range(10, 20);
+
 	return dp83867_config_init(phydev);
 }
 
-- 
2.17.1