mirror of https://github.com/hak5/openwrt.git
28 lines
966 B
Diff
28 lines
966 B
Diff
Until upstream commit 6d4cd041f0af("net: phy: at803x: disable delay
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only for RGMII mode"), delays were not disabled on driver probe
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for the Atheros AR803x PHYs, although the RX delay is enabled on
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soft and hard reset.
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In addition, the TX delay setting is retained on soft-reset.
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This patch disables both delays on config init to align the behavior
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with kernel 5.1 and higher. It can be safely dropped with kernel 5.1.
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--- a/drivers/net/phy/at803x.c
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+++ b/drivers/net/phy/at803x.c
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@@ -279,6 +279,14 @@ static int at803x_config_init(struct phy
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if (ret < 0)
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return ret;
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+ /* Disable RX delay */
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+ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_0,
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+ AT803X_DEBUG_RX_CLK_DLY_EN, 0);
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+
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+ /* Disable TX delay */
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+ at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_5,
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+ AT803X_DEBUG_TX_CLK_DLY_EN, 0);
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+
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if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
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phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
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ret = at803x_enable_rx_delay(phydev);
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