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39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
From eb5df670a81d7dfa879938ba0eaac679f024b264 Mon Sep 17 00:00:00 2001
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From: Jonathan Bell <jonathan@raspberrypi.org>
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Date: Tue, 14 May 2019 17:17:59 +0100
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Subject: [PATCH 553/678] net: genet: enable link energy detect powerdown for
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external PHYs
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There are several warts surrounding bcmgenet_mii_probe() as this
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function is called from ndo_open, but it's calling registration-type
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functions. The probe should be called at probe time and refactored
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such that the PHY device data can be extracted to limit the scope
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of this flag to Broadcom PHYs.
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For now, pass this flag in as it puts our attached PHY into a low-power
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state when disconnected.
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Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
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---
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drivers/net/ethernet/broadcom/genet/bcmmii.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
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index de0e24d912fe..20689b1a220b 100644
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--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
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+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
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@@ -280,7 +280,10 @@ int bcmgenet_mii_probe(struct net_device *dev)
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int ret;
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/* Communicate the integrated PHY revision */
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- phy_flags = priv->gphy_rev;
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+ if (priv->internal_phy)
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+ phy_flags = priv->gphy_rev;
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+ else
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+ phy_flags = PHY_BRCM_AUTO_PWRDWN_ENABLE;
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/* Initialize link state variables that bcmgenet_mii_setup() uses */
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priv->old_link = -1;
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--
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2.19.1
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