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27 lines
941 B
Diff
27 lines
941 B
Diff
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From 6370a6cd16a5aa9726bf209c0f0a3179f4011cb1 Mon Sep 17 00:00:00 2001
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From: Jonathan Bell <jonathan@raspberrypi.com>
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Date: Mon, 22 May 2023 15:31:17 +0100
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Subject: [PATCH] net: phy: broadcom: optionally enable link-down powersave
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based on DT
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It's really a function of the board whether or not to use this feature
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as it may require MAC compatibility as well as interop testing.
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Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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---
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drivers/net/phy/broadcom.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/net/phy/broadcom.c
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+++ b/drivers/net/phy/broadcom.c
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@@ -370,6 +370,9 @@ static int bcm54xx_config_init(struct ph
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(phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
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bcm_phy_write_shadow(phydev, BCM54XX_SHD_RGMII_MODE, 0);
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+ if (of_property_read_bool(np, "brcm,powerdown-enable"))
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+ phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
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+
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bcm54xx_adjust_rxrefclk(phydev);
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switch (BRCM_PHY_MODEL(phydev)) {
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