2021-08-21 08:54:34 +00:00
|
|
|
From 79bf7ef15016f04a100973b6d207d2aa63552898 Mon Sep 17 00:00:00 2001
|
|
|
|
|
From: Jonathan Bell <jonathan@raspberrypi.org>
|
|
|
|
|
Date: Tue, 14 May 2019 17:17:59 +0100
|
|
|
|
|
Subject: [PATCH] net: genet: enable link energy detect powerdown for
|
|
|
|
|
external PHYs
|
|
|
|
|
|
|
|
|
|
There are several warts surrounding bcmgenet_mii_probe() as this
|
|
|
|
|
function is called from ndo_open, but it's calling registration-type
|
|
|
|
|
functions. The probe should be called at probe time and refactored
|
|
|
|
|
such that the PHY device data can be extracted to limit the scope
|
|
|
|
|
of this flag to Broadcom PHYs.
|
|
|
|
|
|
|
|
|
|
For now, pass this flag in as it puts our attached PHY into a low-power
|
|
|
|
|
state when disconnected.
|
|
|
|
|
|
|
|
|
|
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
|
|
|
|
|
---
|
|
|
|
|
drivers/net/ethernet/broadcom/genet/bcmmii.c | 2 ++
|
|
|
|
|
1 file changed, 2 insertions(+)
|
|
|
|
|
|
|
|
|
|
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
|
|
|
|
|
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
|
2023-03-12 14:03:16 +00:00
|
|
|
@@ -286,6 +286,8 @@ int bcmgenet_mii_probe(struct net_device
|
2021-08-21 08:54:34 +00:00
|
|
|
/* Communicate the integrated PHY revision */
|
|
|
|
|
if (priv->internal_phy)
|
|
|
|
|
phy_flags = priv->gphy_rev;
|
|
|
|
|
+ else
|
|
|
|
|
+ phy_flags = PHY_BRCM_AUTO_PWRDWN_ENABLE;
|
|
|
|
|
|
|
|
|
|
/* Initialize link state variables that bcmgenet_mii_setup() uses */
|
|
|
|
|
priv->old_link = -1;
|
