mvebu: add linux 4.9 support

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/target/linux/mvebu/patches-4.9/421-phylink-add-ethtool-nway_reset-support.patch b/target/linux/mvebu/patches-4.9/421-phylink-add-ethtool-nway_reset-support.patch
new file mode 100644
index 0000000..d4436a7
--- /dev/null
+++ b/target/linux/mvebu/patches-4.9/421-phylink-add-ethtool-nway_reset-support.patch
@@ -0,0 +1,44 @@
+From: Russell King <rmk+kernel@arm.linux.org.uk>
+Date: Thu, 1 Oct 2015 20:27:19 +0100
+Subject: [PATCH] phylink: add ethtool nway_reset support
+
+Add ethtool nway_reset support to phylink, to allow userspace to
+request a re-negotiation of the link.
+
+Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
+Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
+---
+
+--- a/drivers/net/phy/phylink.c
++++ b/drivers/net/phy/phylink.c
+@@ -783,6 +783,20 @@ int phylink_ethtool_ksettings_set(struct
+ }
+ EXPORT_SYMBOL_GPL(phylink_ethtool_ksettings_set);
+ 
++int phylink_ethtool_nway_reset(struct phylink *pl)
++{
++	int ret = 0;
++
++	mutex_lock(&pl->config_mutex);
++	if (pl->phydev)
++		ret = genphy_restart_aneg(pl->phydev);
++	phylink_mac_an_restart(pl);
++	mutex_unlock(&pl->config_mutex);
++
++	return ret;
++}
++EXPORT_SYMBOL_GPL(phylink_ethtool_nway_reset);
++
+ /* This emulates MII registers for a fixed-mode phy operating as per the
+  * passed in state. "aneg" defines if we report negotiation is possible.
+  *
+--- a/include/linux/phylink.h
++++ b/include/linux/phylink.h
+@@ -86,6 +86,7 @@ int phylink_ethtool_ksettings_get(struct
+ 				  struct ethtool_link_ksettings *);
+ int phylink_ethtool_ksettings_set(struct phylink *,
+ 				  const struct ethtool_link_ksettings *);
++int phylink_ethtool_nway_reset(struct phylink *);
+ int phylink_mii_ioctl(struct phylink *, struct ifreq *, int);
+ 
+ int phylink_set_link(struct phylink *pl, unsigned int mode, u8 port,