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mvebu: ClearFog Base fix phy init 

Fix Marvell PHYs initialization issues and optimize
logic for page changing during init

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>
openwrt-18.06
Marko Ratkaj 2017-04-07 13:58:27 +02:00 committed by Luka Perkov
parent ee1cee2cac
commit 1c7b86d57e
1 changed files with 61 additions and 0 deletions
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61
target/linux/mvebu/patches-4.9/473-fix-marvell-phy-initialization-issues.patch Normal file
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@ -0,0 +1,61 @@
From: Marko Ratkaj <marko.ratkaj@sartura.hr>
Date: Fri, 7 Apr 2017 13:30:30 +0200
Subject: [PATCH] fix marvell phy initialization issues
Fix Marvell PHYs initialization issues and optimize
logic for page changing during init
Board affected with initialization bug:
SolidRun ClearFog Base
Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>
---
drivers/net/phy/marvell.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -361,7 +361,7 @@ static int m88e1111_config_aneg(struct p
static int marvell_of_reg_init(struct phy_device *phydev)
{
const __be32 *paddr;
- int len, i, saved_page, current_page, page_changed, ret;
+ int len, i, saved_page, current_page, ret;
if (!phydev->mdio.dev.of_node)
return 0;
@@ -374,7 +374,6 @@ static int marvell_of_reg_init(struct ph
saved_page = phy_read(phydev, MII_MARVELL_PHY_PAGE);
if (saved_page < 0)
return saved_page;
- page_changed = 0;
current_page = saved_page;
ret = 0;
@@ -388,7 +387,6 @@ static int marvell_of_reg_init(struct ph
if (reg_page != current_page) {
current_page = reg_page;
- page_changed = 1;
ret = phy_write(phydev, MII_MARVELL_PHY_PAGE, reg_page);
if (ret < 0)
goto err;
@@ -411,7 +409,7 @@ static int marvell_of_reg_init(struct ph
}
err:
- if (page_changed) {
+ if (current_page != saved_page) {
i = phy_write(phydev, MII_MARVELL_PHY_PAGE, saved_page);
if (ret == 0)
ret = i;
@@ -1192,7 +1190,8 @@ static int marvell_read_status(struct ph
int err;
/* Check the fiber mode first */
- if (phydev->supported & SUPPORTED_FIBRE) {
+ if (phydev->supported & SUPPORTED_FIBRE &&
+ phydev->interface != PHY_INTERFACE_MODE_SGMII) {
err = phy_write(phydev, MII_MARVELL_PHY_PAGE, MII_M1111_FIBER);
if (err < 0)
goto error;