openwrt/target/linux/mvebu/patches-4.4/030-mvneta-consolidate-autoneg-enabling.patch
Kevin Darbyshire-Bryant efb375b579 kernel: bump 4.4 to 4.4.110
Refresh patches

Fixes:  CVE-2017-5754 aka Meltdown

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
[fix typo in commit msg, conflict after 4.14 bump]
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2018-01-10 00:11:39 +02:00

56 lines
1.8 KiB
Diff

From: Stas Sergeev <stsp@list.ru>
Date: Wed, 2 Dec 2015 20:33:56 +0300
Subject: [PATCH] mvneta: consolidate autoneg enabling
This moves autoneg-related bit manipulations to the single place.
CC: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
CC: netdev@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Stas Sergeev <stsp@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1071,15 +1071,28 @@ static void mvneta_defaults_set(struct m
MVNETA_GMAC_AN_SPEED_EN |
MVNETA_GMAC_AN_DUPLEX_EN;
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+
val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
val |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
+
+ val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
+ val |= MVNETA_GMAC2_INBAND_AN_ENABLE;
+ mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
} else {
val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
val &= ~(MVNETA_GMAC_INBAND_AN_ENABLE |
MVNETA_GMAC_AN_SPEED_EN |
MVNETA_GMAC_AN_DUPLEX_EN);
mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+
+ val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
+ val &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
+ mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
+
+ val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
+ val &= ~MVNETA_GMAC2_INBAND_AN_ENABLE;
+ mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
}
mvneta_set_ucast_table(pp, -1);
@@ -3232,9 +3245,6 @@ static int mvneta_port_power_up(struct m
return -EINVAL;
}
- if (pp->use_inband_status)
- ctrl |= MVNETA_GMAC2_INBAND_AN_ENABLE;
-
/* Cancel Port Reset */
ctrl &= ~MVNETA_GMAC2_PORT_RESET;
mvreg_write(pp, MVNETA_GMAC_CTRL_2, ctrl);