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d40756563c
Let's pick a bunch of useful phylink changes which allow us to keep drivers in sync with mainline Linux. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
102 lines
3.4 KiB
Diff
102 lines
3.4 KiB
Diff
From 3b2de56a146f34e3f70a84cc3a1897064e445d16 Mon Sep 17 00:00:00 2001
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From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
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Date: Fri, 16 Jun 2023 13:06:43 +0100
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Subject: [PATCH] net: pcs: lynxi: update PCS driver to use neg_mode
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Update the Lynxi PCS driver to use neg_mode rather than the mode
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argument. This ensures that the link_up() method will always program
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the speed and duplex when negotiation is disabled.
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Link: https://lore.kernel.org/r/E1qA8Dz-00EaFY-5A@rmk-PC.armlinux.org.uk
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/pcs/pcs-mtk-lynxi.c | 39 ++++++++++++++-------------------
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1 file changed, 16 insertions(+), 23 deletions(-)
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--- a/drivers/net/pcs/pcs-mtk-lynxi.c
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+++ b/drivers/net/pcs/pcs-mtk-lynxi.c
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@@ -102,13 +102,13 @@ static void mtk_pcs_lynxi_get_state(stru
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FIELD_GET(SGMII_LPA, adv));
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}
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-static int mtk_pcs_lynxi_config(struct phylink_pcs *pcs, unsigned int mode,
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+static int mtk_pcs_lynxi_config(struct phylink_pcs *pcs, unsigned int neg_mode,
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phy_interface_t interface,
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const unsigned long *advertising,
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bool permit_pause_to_mac)
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{
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struct mtk_pcs_lynxi *mpcs = pcs_to_mtk_pcs_lynxi(pcs);
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- bool mode_changed = false, changed, use_an;
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+ bool mode_changed = false, changed;
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unsigned int rgc3, sgm_mode, bmcr;
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int advertise, link_timer;
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@@ -121,30 +121,22 @@ static int mtk_pcs_lynxi_config(struct p
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* we assume that fixes it's speed at bitrate = line rate (in
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* other words, 1000Mbps or 2500Mbps).
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*/
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- if (interface == PHY_INTERFACE_MODE_SGMII) {
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+ if (interface == PHY_INTERFACE_MODE_SGMII)
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sgm_mode = SGMII_IF_MODE_SGMII;
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- if (phylink_autoneg_inband(mode)) {
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- sgm_mode |= SGMII_REMOTE_FAULT_DIS |
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- SGMII_SPEED_DUPLEX_AN;
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- use_an = true;
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- } else {
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- use_an = false;
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- }
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- } else if (phylink_autoneg_inband(mode)) {
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- /* 1000base-X or 2500base-X autoneg */
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- sgm_mode = SGMII_REMOTE_FAULT_DIS;
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- use_an = linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
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- advertising);
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- } else {
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+ else
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/* 1000base-X or 2500base-X without autoneg */
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sgm_mode = 0;
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- use_an = false;
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- }
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- if (use_an)
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+ if (neg_mode & PHYLINK_PCS_NEG_INBAND)
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+ sgm_mode |= SGMII_REMOTE_FAULT_DIS;
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+
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+ if (neg_mode == PHYLINK_PCS_NEG_INBAND_ENABLED) {
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+ if (interface == PHY_INTERFACE_MODE_SGMII)
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+ sgm_mode |= SGMII_SPEED_DUPLEX_AN;
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bmcr = BMCR_ANENABLE;
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- else
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+ } else {
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bmcr = 0;
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+ }
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if (mpcs->interface != interface) {
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link_timer = phylink_get_link_timer_ns(interface);
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@@ -216,14 +208,15 @@ static void mtk_pcs_lynxi_restart_an(str
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regmap_set_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, BMCR_ANRESTART);
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}
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-static void mtk_pcs_lynxi_link_up(struct phylink_pcs *pcs, unsigned int mode,
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+static void mtk_pcs_lynxi_link_up(struct phylink_pcs *pcs,
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+ unsigned int neg_mode,
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phy_interface_t interface, int speed,
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int duplex)
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{
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struct mtk_pcs_lynxi *mpcs = pcs_to_mtk_pcs_lynxi(pcs);
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unsigned int sgm_mode;
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- if (!phylink_autoneg_inband(mode)) {
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+ if (neg_mode != PHYLINK_PCS_NEG_INBAND_ENABLED) {
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/* Force the speed and duplex setting */
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if (speed == SPEED_10)
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sgm_mode = SGMII_SPEED_10;
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@@ -286,6 +279,7 @@ struct phylink_pcs *mtk_pcs_lynxi_create
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mpcs->regmap = regmap;
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mpcs->flags = flags;
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mpcs->pcs.ops = &mtk_pcs_lynxi_ops;
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+ mpcs->pcs.neg_mode = true;
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mpcs->pcs.poll = true;
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mpcs->interface = PHY_INTERFACE_MODE_NA;
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