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-rw-r--r--target/linux/mvebu/patches-4.4/030-mvneta-consolidate-autoneg-enabling.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-4.4/030-mvneta-consolidate-autoneg-enabling.patch b/target/linux/mvebu/patches-4.4/030-mvneta-consolidate-autoneg-enabling.patch
new file mode 100644
index 0000000000..1d98c7decc
--- /dev/null
+++ b/target/linux/mvebu/patches-4.4/030-mvneta-consolidate-autoneg-enabling.patch
@@ -0,0 +1,55 @@
+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
+@@ -1067,15 +1067,28 @@ 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);
+@@ -3230,9 +3243,6 @@ 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);