From 4e0309630b871ecaf9e247b479c4a4ef3f9667f8 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Thu, 20 Feb 2014 17:07:56 +0000 Subject: [PATCH] ar71xx: rb91x: fix pll_1000 value for eth0 to avoid packet loss When the RB91x device uses a GbE link the connection suffers from packet loss: root@OpenWrt:/# ping 192.168.1.254 -s 65507 -c 20 -q PING 192.168.1.254 (192.168.1.254): 65507 data bytes --- 192.168.1.254 ping statistics --- 20 packets transmitted, 9 packets received, 55% packet loss round-trip min/avg/max = 4.570/4.815/4.999 ms Using a different PLL value fixes the issue. root@OpenWrt:/# ping 192.168.1.254 -s 65507 -c 100 -q PING 192.168.1.254 (192.168.1.254): 65507 data bytes --- 192.168.1.254 ping statistics --- 100 packets transmitted, 100 packets received, 0% packet loss round-trip min/avg/max = 4.449/5.413/13.870 ms Signed-off-by: Gabor Juhos SVN-Revision: 39642 --- target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c index 65d9ee5b9d..3cbffed291 100644 --- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c @@ -156,6 +156,7 @@ static void __init rb711gr100_setup(void) ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0); ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; ath79_eth0_data.phy_mask = BIT(0); + ath79_eth0_pll_data.pll_1000 = 0x02000000; ath79_register_eth(0); -- 2.30.2