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13cdc8955c
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80 Manually rebased: generic/hack-6.1/650-netfilter-add-xt_FLOWOFFLOAD-target.patch[1] All other patches automatically rebased. 1. Acknowledgement to @heheb and @DragonBluep. Upstream commit for ref: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.80&id=9c5662e95a8dcc232c3ef4deb21033badcd260f6 Build system: x86/64 Build-tested: x86/64/AMD Cezanne, ramips/tplink_archer-a6-v3 Run-tested: x86/64/AMD Cezanne, ramips/tplink_archer-a6-v3 Signed-off-by: John Audia <therealgraysky@proton.me>
64 lines
1.8 KiB
Diff
64 lines
1.8 KiB
Diff
From 0de82310d2b32e78ff79d42c08b1122a6ede3778 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Sun, 30 Apr 2023 00:15:41 +0100
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Subject: [PATCH] net: phy: realtek: detect early version of RTL8221B
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Early versions (?) of the RTL8221B PHY cannot be identified in a regular
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Clause-45 bus scan as the PHY doesn't report the implemented MMDs
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correctly but returns 0 instead.
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Implement custom identify function using the PKGID instead of iterating
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over the implemented MMDs.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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--- a/drivers/net/phy/realtek.c
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+++ b/drivers/net/phy/realtek.c
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@@ -754,6 +754,38 @@ static int rtl8226_match_phy_device(stru
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rtlgen_supports_2_5gbps(phydev);
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}
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+static int rtl8221b_vb_cg_match_phy_device(struct phy_device *phydev)
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+{
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+ int val;
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+ u32 id;
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+
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+ if (phydev->mdio.bus->probe_capabilities >= MDIOBUS_C45) {
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+ val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PKGID1);
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+ if (val < 0)
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+ return 0;
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+
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+ id = val << 16;
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+ val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PKGID2);
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+ if (val < 0)
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+ return 0;
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+
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+ id |= val;
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+ } else {
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+ val = phy_read(phydev, MII_PHYSID1);
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+ if (val < 0)
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+ return 0;
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+
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+ id = val << 16;
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+ val = phy_read(phydev, MII_PHYSID2);
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+ if (val < 0)
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+ return 0;
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+
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+ id |= val;
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+ }
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+
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+ return (id == 0x001cc849);
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+}
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+
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static int rtl822x_probe(struct phy_device *phydev)
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{
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struct device *dev = &phydev->mdio.dev;
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@@ -1104,7 +1136,7 @@ static struct phy_driver realtek_drvs[]
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.write_page = rtl821x_write_page,
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.soft_reset = genphy_soft_reset,
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}, {
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- PHY_ID_MATCH_EXACT(0x001cc849),
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+ .match_phy_device = rtl8221b_vb_cg_match_phy_device,
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.name = "RTL8221B-VB-CG 2.5Gbps PHY",
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.get_features = rtl822x_get_features,
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.config_init = rtl8221b_config_init,
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