From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexandre.belloni@free-electrons.com (Alexandre Belloni) Date: Tue, 16 Jun 2015 15:31:24 +0200 Subject: [BUG] at91: macb: does not work In-Reply-To: <5580205B.1030804@aksignal.cz> References: <5580205B.1030804@aksignal.cz> Message-ID: <20150616133124.GB6549@piout.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On 16/06/2015 at 15:10:51 +0200, Ji?? Prchal wrote : > Hi, > in v4.1-rc8 does not work ethernet. It normally gets up, but no data are going through. > > [ 4.400000] macb f802c000.ethernet (unnamed net_device) (uninitialized): invalid hw address, using random > [ 4.510000] macb f802c000.ethernet eth0: Cadence MACB rev 0x0001010c at 0xf802c000 irq 37 (52:30:8f:6b:9c:b7) > [ 4.520000] macb f802c000.ethernet eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=f802c000.etherne:03, irq=-1) > [ 15.510000] macb f802c000.ethernet eth0: link up (100/Full) > > / # ip -s link ls eth0 > 2: eth0: mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000 > link/ether a2:61:fe:17:65:b1 brd ff:ff:ff:ff:ff:ff > RX: bytes packets errors dropped overrun mcast > 0 0 0 0 0 0 > TX: bytes packets errors dropped carrier collsns > 0 0 0 0 0 0 > > In v4.0.5 it's working. > You probably have an issue in your device tree. I've just tested both interfaces of my sama5d3 xplained and they are working fine. -- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com