diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/751-net-phylink-make-Broadcom-BCM84881-based-SFPs-work.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/751-net-phylink-make-Broadcom-BCM84881-based-SFPs-work.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/target/linux/generic/pending-5.4/751-net-phylink-make-Broadcom-BCM84881-based-SFPs-work.patch b/target/linux/generic/pending-5.4/751-net-phylink-make-Broadcom-BCM84881-based-SFPs-work.patch deleted file mode 100644 index d58304410a..0000000000 --- a/target/linux/generic/pending-5.4/751-net-phylink-make-Broadcom-BCM84881-based-SFPs-work.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 7adb5b2126bc013f0964ddaefad6ad1b132e86c3 Mon Sep 17 00:00:00 2001 -From: Russell King <rmk+kernel@armlinux.org.uk> -Date: Wed, 11 Dec 2019 10:56:50 +0000 -Subject: [PATCH] net: phylink: make Broadcom BCM84881 based SFPs work - -The Broadcom BCM84881 does not appear to send the SGMII control word -when operating in SGMII mode, which causes network adapters to fail -to link with the PHY, or decide to operate at fixed 1G speed, even if -the PHY negotiated 100M. - -Work around this by detecting the Broadcom BCM84881 and switch to phy -mode rather than inband mode. - -Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/phy/phylink.c | 18 ++++++++++++++++-- - 1 file changed, 16 insertions(+), 2 deletions(-) - ---- a/drivers/net/phy/phylink.c -+++ b/drivers/net/phy/phylink.c -@@ -1842,10 +1842,20 @@ static void phylink_sfp_link_up(void *up - phylink_run_resolve(pl); - } - -+/* The Broadcom BCM84881 in the Methode DM7052 is unable to provide a SGMII -+ * or 802.3z control word, so inband will not work. -+ */ -+static bool phylink_phy_no_inband(struct phy_device *phy) -+{ -+ return phy->is_c45 && -+ (phy->c45_ids.device_ids[1] & 0xfffffff0) == 0xae025150; -+} -+ - static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy) - { - struct phylink *pl = upstream; - phy_interface_t interface; -+ u8 mode; - int ret; - - /* -@@ -1857,9 +1867,13 @@ static int phylink_sfp_connect_phy(void - */ - phy_support_asym_pause(phy); - -+ if (phylink_phy_no_inband(phy)) -+ mode = MLO_AN_PHY; -+ else -+ mode = MLO_AN_INBAND; -+ - /* Do the initial configuration */ -- ret = phylink_sfp_config(pl, MLO_AN_INBAND, phy->supported, -- phy->advertising); -+ ret = phylink_sfp_config(pl, mode, phy->supported, phy->advertising); - if (ret < 0) - return ret; - |