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69 lines
1.8 KiB
Diff
69 lines
1.8 KiB
Diff
From 53eec2c3580e63fdebfc25ae324f30cd8aa4403b Mon Sep 17 00:00:00 2001
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From: John Crispin <john@phrozen.org>
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Date: Thu, 10 Aug 2017 16:00:46 +0200
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Subject: [PATCH 53/57] net: dsa: mediatek: add software phy polling
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Signed-off-by: John Crispin <john@phrozen.org>
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---
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drivers/net/dsa/mt7530.c | 38 ++++++++++++++++++++++++++++++++++++++
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drivers/net/dsa/mt7530.h | 1 +
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2 files changed, 39 insertions(+)
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--- a/drivers/net/dsa/mt7530.c
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+++ b/drivers/net/dsa/mt7530.c
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@@ -728,6 +728,44 @@ static void mt7530_adjust_link(struct ds
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* all finished.
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*/
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mt7623_pad_clk_setup(ds);
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+ } else {
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+ u16 lcl_adv = 0, rmt_adv = 0;
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+ u8 flowctrl;
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+ u32 mcr = PMCR_USERP_LINK | PMCR_FORCE_MODE;
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+
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+ switch (phydev->speed) {
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+ case SPEED_1000:
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+ mcr |= PMCR_FORCE_SPEED_1000;
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+ break;
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+ case SPEED_100:
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+ mcr |= PMCR_FORCE_SPEED_100;
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+ break;
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+ };
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+
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+ if (phydev->link)
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+ mcr |= PMCR_FORCE_LNK;
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+
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+ if (phydev->duplex) {
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+ mcr |= PMCR_FORCE_FDX;
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+
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+ if (phydev->pause)
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+ rmt_adv = LPA_PAUSE_CAP;
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+ if (phydev->asym_pause)
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+ rmt_adv |= LPA_PAUSE_ASYM;
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+
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+ if (phydev->advertising & ADVERTISED_Pause)
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+ lcl_adv |= ADVERTISE_PAUSE_CAP;
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+ if (phydev->advertising & ADVERTISED_Asym_Pause)
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+ lcl_adv |= ADVERTISE_PAUSE_ASYM;
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+
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+ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
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+
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+ if (flowctrl & FLOW_CTRL_TX)
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+ mcr |= PMCR_TX_FC_EN;
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+ if (flowctrl & FLOW_CTRL_RX)
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+ mcr |= PMCR_RX_FC_EN;
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+ }
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+ mt7530_write(priv, MT7530_PMCR_P(port), mcr);
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}
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}
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--- a/drivers/net/dsa/mt7530.h
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+++ b/drivers/net/dsa/mt7530.h
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@@ -155,6 +155,7 @@ enum mt7530_stp_state {
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#define PMCR_TX_FC_EN BIT(5)
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#define PMCR_RX_FC_EN BIT(4)
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#define PMCR_FORCE_SPEED_1000 BIT(3)
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+#define PMCR_FORCE_SPEED_100 BIT(2)
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#define PMCR_FORCE_FDX BIT(1)
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#define PMCR_FORCE_LNK BIT(0)
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#define PMCR_COMMON_LINK (PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
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