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1c16b574c4
Backport the phy/phylink/sfp patches currently queued in netdev or in mainline necessary to support GPON popular modules, specifically to support Huawei and Nokia GPON modules. Signed-off-by: Russell King <linux@armlinux.org.uk> [jonas.gorski: include kernel version in file names, refresh patches] Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
68 lines
2.0 KiB
Diff
68 lines
2.0 KiB
Diff
From 0836d9fb41ed90090ef4af0d7abe784ee7706f80 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: [PATCH 636/660] net: phy: marvell10g: add SFP+ support
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Add support for SFP+ cages to the Marvell 10G PHY driver. This is
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slightly complicated by the way phylib works in that we need to use
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a multi-step process to attach the SFP bus, and we also need to track
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the phylink state machine to know when the module's transmit disable
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signal should change state.
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With appropriate DT changes, this allows the SFP+ canges on the
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Macchiatobin platform to be functional.
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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 | 25 ++++++++++++++++++++++++-
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1 file changed, 24 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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@@ -25,6 +25,7 @@
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#include <linux/hwmon.h>
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#include <linux/marvell_phy.h>
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#include <linux/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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@@ -219,6 +220,28 @@ static int mv3310_hwmon_probe(struct phy
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}
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#endif
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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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+ __ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, };
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+ phy_interface_t iface;
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+
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+ sfp_parse_support(phydev->sfp_bus, id, support);
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+ iface = sfp_select_interface(phydev->sfp_bus, id, support);
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+
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+ if (iface != 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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+ .attach = phy_sfp_attach,
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+ .detach = phy_sfp_detach,
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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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@@ -249,7 +272,7 @@ static int mv3310_probe(struct phy_devic
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if (ret)
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return ret;
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- return 0;
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+ return phy_sfp_probe(phydev, &mv3310_sfp_ops);
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}
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static int mv3310_suspend(struct phy_device *phydev)
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