From c16517d26de30c90dabce1e456615fd7fbdce07c Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 23 Feb 2020 13:20:11 +0100 Subject: kernel: copy kernel 4.19 code to 5.4 No changes were done to the patches while coping them. Currently they do not apply on top of kernel 5.4. Signed-off-by: Hauke Mehrtens --- ...20-net-phy-Stop-with-excessive-soft-reset.patch | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 target/linux/generic/backport-5.4/704-v4.20-net-phy-Stop-with-excessive-soft-reset.patch (limited to 'target/linux/generic/backport-5.4/704-v4.20-net-phy-Stop-with-excessive-soft-reset.patch') diff --git a/target/linux/generic/backport-5.4/704-v4.20-net-phy-Stop-with-excessive-soft-reset.patch b/target/linux/generic/backport-5.4/704-v4.20-net-phy-Stop-with-excessive-soft-reset.patch new file mode 100644 index 0000000000..00ef6b7a1d --- /dev/null +++ b/target/linux/generic/backport-5.4/704-v4.20-net-phy-Stop-with-excessive-soft-reset.patch @@ -0,0 +1,40 @@ +From 1541649a9dd79e9b941d399de564475e426a2d0b Mon Sep 17 00:00:00 2001 +From: Florian Fainelli +Date: Tue, 25 Sep 2018 11:28:45 -0700 +Subject: [PATCH 602/660] net: phy: Stop with excessive soft reset + +While consolidating the PHY reset in phy_init_hw() an unconditionaly +BMCR soft-reset I became quite trigger happy with those. This was later +on deactivated for the Generic PHY driver on the premise that a prior +software entity (e.g: bootloader) might have applied workarounds in +commit 0878fff1f42c ("net: phy: Do not perform software reset for +Generic PHY"). + +Since we have a hook to wire-up a soft_reset callback, just use that and +get rid of the call to genphy_soft_reset() entirely. This speeds up +initialization and link establishment for most PHYs out there that do +not require a reset. + +Fixes: 87aa9f9c61ad ("net: phy: consolidate PHY reset in phy_init_hw()") +Tested-by: Wang, Dongsheng +Tested-by: Chris Healy +Tested-by: Andrew Lunn +Tested-by: Clemens Gruber +Signed-off-by: Florian Fainelli +Signed-off-by: David S. Miller +Signed-off-by: Russell King +--- + drivers/net/phy/phy_device.c | 2 -- + 1 file changed, 2 deletions(-) + +--- a/drivers/net/phy/phy_device.c ++++ b/drivers/net/phy/phy_device.c +@@ -886,8 +886,6 @@ int phy_init_hw(struct phy_device *phyde + + if (phydev->drv->soft_reset) + ret = phydev->drv->soft_reset(phydev); +- else +- ret = genphy_soft_reset(phydev); + + if (ret < 0) + return ret; -- cgit v1.2.3