Hi Carlo, Le 04/12/2018 17:04, Carlo Caione a écrit : > A long running stress test on a custom board shipping an AXG SoCs and a > Realtek RTL8211F PHY revealed that after a few hours the connection > speed would drop drastically, from ~1000Mbps to ~3Mbps. At the same time > the 'macirq' (eth0) IRQ would stop being triggered at all and as > consequence the GMAC IRQs never ACKed. > > After a painful investigation the problem seemed to be due to a wrong > defined IRQ type for the GMAC IRQ that should be LEVEL_HIGH instead of > EDGE_RISING. This is a good news ! Kevin, What's the best procedure here to make it apply on the 4.19, 4.14 and 4.9 stable trees ? for 4.14 and 4.9 it will need to be reworked to apply correctly. Acked-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > > Signed-off-by: Carlo Caione <ccaione@xxxxxxxxxxxx> > --- > arch/arm/boot/dts/meson.dtsi | 2 +- > arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 2 +- > arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 2 +- > 3 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi > index 0d9faf1a51ea..a86b89086334 100644 > --- a/arch/arm/boot/dts/meson.dtsi > +++ b/arch/arm/boot/dts/meson.dtsi > @@ -263,7 +263,7 @@ > compatible = "amlogic,meson6-dwmac", "snps,dwmac"; > reg = <0xc9410000 0x10000 > 0xc1108108 0x4>; > - interrupts = <GIC_SPI 8 IRQ_TYPE_EDGE_RISING>; > + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; > interrupt-names = "macirq"; > status = "disabled"; > }; > diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi > index df017dbd2e57..b1a42e99cb67 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi > +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi > @@ -143,7 +143,7 @@ > compatible = "amlogic,meson-axg-dwmac", "snps,dwmac"; > reg = <0x0 0xff3f0000 0x0 0x10000 > 0x0 0xff634540 0x0 0x8>; > - interrupts = <GIC_SPI 8 IRQ_TYPE_EDGE_RISING>; > + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; > interrupt-names = "macirq"; > clocks = <&clkc CLKID_ETH>, > <&clkc CLKID_FCLK_DIV2>, > diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > index f1e5cdbade5e..58e6bcaac1d8 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi > @@ -462,7 +462,7 @@ > compatible = "amlogic,meson-gx-dwmac", "amlogic,meson-gxbb-dwmac", "snps,dwmac"; > reg = <0x0 0xc9410000 0x0 0x10000 > 0x0 0xc8834540 0x0 0x4>; > - interrupts = <GIC_SPI 8 IRQ_TYPE_EDGE_RISING>; > + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; > interrupt-names = "macirq"; > status = "disabled"; > }; >
