netdev - [PATCH net 5/5] r8152: disable ALDPS and EEE before setting PHY

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Message-ID: <1394712342-15778-224-Taiwan-albertk@realtek.com>
Date:   Tue, 20 Sep 2016 16:22:09 +0800
From:   Hayes Wang <hayeswang@...ltek.com>
To:     <netdev@...r.kernel.org>
CC:     <nic_swsd@...ltek.com>, <linux-kernel@...r.kernel.org>,
        <linux-usb@...r.kernel.org>, Hayes Wang <hayeswang@...ltek.com>
Subject: [PATCH net 5/5] r8152: disable ALDPS and EEE before setting PHY

Disable ALDPS and EEE to avoid the possible failure when setting the PHY.

Signed-off-by: Hayes Wang <hayeswang@...ltek.com>
---
 drivers/net/usb/r8152.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index e7a05dd..3c3cdb4 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -32,7 +32,7 @@
 #define NETNEXT_VERSION		"08"
 
 /* Information for net */
-#define NET_VERSION		"5"
+#define NET_VERSION		"6"
 
 #define DRIVER_VERSION		"v1." NETNEXT_VERSION "." NET_VERSION
 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@...ltek.com>"
@@ -2808,6 +2808,13 @@ static void r8153_hw_phy_cfg(struct r8152 *tp)
 	u32 ocp_data;
 	u16 data;
 
+	/* disable ALDPS before updating the PHY parameters */
+	r8153_aldps_en(tp, false);
+
+	/* disable EEE before updating the PHY parameters */
+	r8153_eee_en(tp, false);
+	ocp_reg_write(tp, OCP_EEE_ADV, 0);
+
 	if (tp->version == RTL_VER_03) {
 		data = ocp_reg_read(tp, OCP_EEE_CFG);
 		data &= ~CTAP_SHORT_EN;
@@ -3390,7 +3397,6 @@ static void r8153_init(struct r8152 *tp)
 	if (test_bit(RTL8152_UNPLUG, &tp->flags))
 		return;
 
-	r8153_aldps_en(tp, false);
 	r8153_u1u2en(tp, false);
 
 	for (i = 0; i < 500; i++) {
-- 
2.7.4