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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0549-net-genet-enable-link-energy-detect-powerdown-for-ex.patch | |
parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip |
brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0549-net-genet-enable-link-energy-detect-powerdown-for-ex.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0549-net-genet-enable-link-energy-detect-powerdown-for-ex.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0549-net-genet-enable-link-energy-detect-powerdown-for-ex.patch b/target/linux/brcm2708/patches-4.19/950-0549-net-genet-enable-link-energy-detect-powerdown-for-ex.patch new file mode 100644 index 0000000000..bd8a0278e0 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0549-net-genet-enable-link-energy-detect-powerdown-for-ex.patch @@ -0,0 +1,34 @@ +From 03bd32474bf378c1537775970b35c7081779aec4 Mon Sep 17 00:00:00 2001 +From: Jonathan Bell <jonathan@raspberrypi.org> +Date: Tue, 14 May 2019 17:17:59 +0100 +Subject: [PATCH 549/703] 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 | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c ++++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c +@@ -280,7 +280,10 @@ int bcmgenet_mii_probe(struct net_device + int ret; + + /* Communicate the integrated PHY revision */ +- phy_flags = priv->gphy_rev; ++ 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; |