kernel: add backported phy/phylink/sfp patches
[openwrt/staging/jogo.git] / target / linux / generic / backport-4.19 / 702-v4.20-net-ethernet-Add-helper-for-MACs-which-support-asym-.patch
diff --git a/target/linux/generic/backport-4.19/702-v4.20-net-ethernet-Add-helper-for-MACs-which-support-asym-.patch b/target/linux/generic/backport-4.19/702-v4.20-net-ethernet-Add-helper-for-MACs-which-support-asym-.patch
new file mode 100644 (file)
index 0000000..ee6e6a6
--- /dev/null
@@ -0,0 +1,49 @@
+From 1da223db3a0c522300b519ecbe1dc45927e28088 Mon Sep 17 00:00:00 2001
+From: Andrew Lunn <andrew@lunn.ch>
+Date: Wed, 12 Sep 2018 01:53:15 +0200
+Subject: [PATCH 600/660] net: ethernet: Add helper for MACs which support asym
+ pause
+
+Rather than have the MAC drivers manipulate phydev members to indicate
+they support Asym Pause, add a helper function.
+
+Signed-off-by: Andrew Lunn <andrew@lunn.ch>
+Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/phy/phy_device.c | 13 +++++++++++++
+ include/linux/phy.h          |  1 +
+ 2 files changed, 14 insertions(+)
+
+--- a/drivers/net/phy/phy_device.c
++++ b/drivers/net/phy/phy_device.c
+@@ -1776,6 +1776,19 @@ int phy_set_max_speed(struct phy_device
+ }
+ EXPORT_SYMBOL(phy_set_max_speed);
++/**
++ * phy_support_asym_pause - Enable support of asym pause
++ * @phydev: target phy_device struct
++ *
++ * Description: Called by the MAC to indicate is supports Asym Pause.
++ */
++void phy_support_asym_pause(struct phy_device *phydev)
++{
++      phydev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
++      phydev->advertising = phydev->supported;
++}
++EXPORT_SYMBOL(phy_support_asym_pause);
++
+ static void of_set_phy_supported(struct phy_device *phydev)
+ {
+       struct device_node *node = phydev->mdio.dev.of_node;
+--- a/include/linux/phy.h
++++ b/include/linux/phy.h
+@@ -1049,6 +1049,7 @@ int phy_mii_ioctl(struct phy_device *phy
+ int phy_start_interrupts(struct phy_device *phydev);
+ void phy_print_status(struct phy_device *phydev);
+ int phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
++void phy_support_asym_pause(struct phy_device *phydev);
+ int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask,
+                      int (*run)(struct phy_device *));