diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-5.15/031-v5.17-0009-ARM-dts-BCM5301X-correct-RX-delay-and-enable-flow-co.patch')
-rw-r--r-- | target/linux/bcm53xx/patches-5.15/031-v5.17-0009-ARM-dts-BCM5301X-correct-RX-delay-and-enable-flow-co.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-5.15/031-v5.17-0009-ARM-dts-BCM5301X-correct-RX-delay-and-enable-flow-co.patch b/target/linux/bcm53xx/patches-5.15/031-v5.17-0009-ARM-dts-BCM5301X-correct-RX-delay-and-enable-flow-co.patch new file mode 100644 index 0000000000..e81ec169b9 --- /dev/null +++ b/target/linux/bcm53xx/patches-5.15/031-v5.17-0009-ARM-dts-BCM5301X-correct-RX-delay-and-enable-flow-co.patch @@ -0,0 +1,45 @@ +From 5e33f1c4a7cb914a003a304ab8eef705b17aabb7 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com> +Date: Fri, 17 Dec 2021 00:03:19 +0800 +Subject: [PATCH] ARM: dts: BCM5301X: correct RX delay and enable flow control + on Asus RT-AC88U +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The current 'rx-internal-delay-ps' property value on the Realtek switch +node, 2000, will be divided by 300, resulting in 6.66, which will be +rounded to the closest step value, 7. Change it to 2100 to be accurate. +See ef136837aaf6 ("net: dsa: rtl8365mb: set RGMII RX delay in steps of +0.3 ns") for reference. + +Flow control needs to be enabled on both sides of the internal and +external switch. It is already enabled on the CPU port of the Realtek +switch so we also enable it on the external switch port of the Broadcom +switch as well. + +Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> +Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> +--- + arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts ++++ b/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts +@@ -138,7 +138,7 @@ + ethernet = <&sw0_p5>; + phy-mode = "rgmii"; + tx-internal-delay-ps = <2000>; +- rx-internal-delay-ps = <2000>; ++ rx-internal-delay-ps = <2100>; + + fixed-link { + speed = <1000>; +@@ -213,6 +213,7 @@ + fixed-link { + speed = <1000>; + full-duplex; ++ pause; + }; + }; + |