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a7e68927d0
Refreshed all patches. This bump contains upstream commits which seem to avoid (not properly fix) the errors as seen in FS#2305 and FS#2297 Altered patches: - 403-net-mvneta-convert-to-phylink.patch - 410-sfp-hack-allow-marvell-10G-phy-support-to-use-SFP.patch Compile-tested on: ar71xx, cns3xxx, imx6, mvebu, x86_64 Runtime-tested on: ar71xx, cns3xxx, imx6, x86_64 Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
133 lines
3.7 KiB
Diff
133 lines
3.7 KiB
Diff
From 4a4aca08b11501cb1b2c509113bbb65eb66a1f45 Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@armlinux.org.uk>
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Date: Fri, 14 Apr 2017 14:21:25 +0100
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Subject: sfp: hack: allow marvell 10G phy support to use SFP
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Allow the Marvell 10G PHY to register with the SFP bus, so that SFP+
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cages can work. This bypasses phylink, meaning that socket status
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is not taken into account for the link state. Also, the tx-disable
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signal must be commented out in DT for this to work...
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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---
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drivers/net/phy/marvell10g.c | 54 +++++++++++++++++++++++++++++++++++++++++++-
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1 file changed, 53 insertions(+), 1 deletion(-)
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--- a/drivers/net/phy/marvell10g.c
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+++ b/drivers/net/phy/marvell10g.c
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@@ -15,8 +15,10 @@
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* If both the fiber and copper ports are connected, the first to gain
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* link takes priority and the other port is completely locked out.
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*/
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+#include <linux/of.h>
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#include <linux/phy.h>
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#include <linux/marvell_phy.h>
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+#include <linux/sfp.h>
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enum {
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MV_PMA_BOOT = 0xc050,
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@@ -41,6 +43,11 @@ enum {
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MV_AN_RESULT_SPD_10000 = BIT(15),
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};
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+struct mv3310_priv {
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+ struct device_node *sfp_node;
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+ struct sfp_bus *sfp_bus;
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+};
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+
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static int mv3310_modify(struct phy_device *phydev, int devad, u16 reg,
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u16 mask, u16 bits)
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{
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@@ -59,8 +66,25 @@ static int mv3310_modify(struct phy_devi
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return ret < 0 ? ret : 1;
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}
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+static int mv3310_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
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+{
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+ struct phy_device *phydev = upstream;
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+ struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
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+
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+ if (sfp_parse_interface(priv->sfp_bus, id) != PHY_INTERFACE_MODE_10GKR) {
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+ dev_err(&phydev->mdio.dev, "incompatible SFP module inserted\n");
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+ return -EINVAL;
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+ }
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+ return 0;
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+}
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+
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+static const struct sfp_upstream_ops mv3310_sfp_ops = {
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+ .module_insert = mv3310_sfp_insert,
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+};
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+
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static int mv3310_probe(struct phy_device *phydev)
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{
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+ struct mv3310_priv *priv;
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u32 mmd_mask = MDIO_DEVS_PMAPMD | MDIO_DEVS_AN;
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int ret;
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@@ -78,9 +102,27 @@ static int mv3310_probe(struct phy_devic
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return -ENODEV;
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}
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+ priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
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+ if (!priv)
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+ return -ENOMEM;
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+
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+ dev_set_drvdata(&phydev->mdio.dev, priv);
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+
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+ if (phydev->mdio.dev.of_node)
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+ priv->sfp_node = of_parse_phandle(phydev->mdio.dev.of_node,
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+ "sfp", 0);
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+
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return 0;
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}
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+static void mv3310_remove(struct phy_device *phydev)
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+{
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+ struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
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+
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+ if (priv->sfp_bus)
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+ sfp_unregister_upstream(priv->sfp_bus);
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+}
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+
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/*
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* Resetting the MV88X3310 causes it to become non-responsive. Avoid
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* setting the reset bit(s).
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@@ -92,6 +134,7 @@ static int mv3310_soft_reset(struct phy_
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static int mv3310_config_init(struct phy_device *phydev)
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{
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+ struct mv3310_priv *priv = dev_get_drvdata(&phydev->mdio.dev);
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__ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = { 0, };
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u32 mask;
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int val;
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@@ -180,6 +223,14 @@ static int mv3310_config_init(struct phy
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phydev->supported &= mask;
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phydev->advertising &= phydev->supported;
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+ /* Would be nice to do this in the probe function, but unfortunately,
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+ * phylib doesn't have phydev->attached_dev set there.
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+ */
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+ if (priv->sfp_node && !priv->sfp_bus)
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+ priv->sfp_bus = sfp_register_upstream(priv->sfp_node,
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+ phydev->attached_dev,
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+ phydev, &mv3310_sfp_ops);
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+
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return 0;
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}
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@@ -363,12 +414,13 @@ static struct phy_driver mv3310_drivers[
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SUPPORTED_FIBRE |
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SUPPORTED_10000baseT_Full |
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SUPPORTED_Backplane,
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- .probe = mv3310_probe,
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.soft_reset = mv3310_soft_reset,
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.config_init = mv3310_config_init,
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+ .probe = mv3310_probe,
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.config_aneg = mv3310_config_aneg,
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.aneg_done = mv3310_aneg_done,
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.read_status = mv3310_read_status,
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+ .remove = mv3310_remove,
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},
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};
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