From a1383655cfaa71609d6236ae0fcf3b6047462b98 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 29 Feb 2020 09:25:20 +0100 Subject: bcm27xx: add linux 5.4 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tested on bcm2710 (Raspberry Pi 3B). Signed-off-by: Álvaro Fernández Rojas --- ...nable-link-energy-detect-powerdown-for-ex.patch | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0217-net-genet-enable-link-energy-detect-powerdown-for-ex.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0217-net-genet-enable-link-energy-detect-powerdown-for-ex.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0217-net-genet-enable-link-energy-detect-powerdown-for-ex.patch b/target/linux/bcm27xx/patches-5.4/950-0217-net-genet-enable-link-energy-detect-powerdown-for-ex.patch new file mode 100644 index 0000000000..ab43dfdfe5 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0217-net-genet-enable-link-energy-detect-powerdown-for-ex.patch @@ -0,0 +1,31 @@ +From cbe8b55622fc2f0a959da599447c87cf1f967a91 Mon Sep 17 00:00:00 2001 +From: Jonathan Bell +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 +--- + 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 +@@ -316,6 +316,8 @@ int bcmgenet_mii_probe(struct net_device + /* 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; -- cgit v1.2.3