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Date: Mon, 29 Mar 2010 16:40:09 +0800 From: Bryan Wu <bryan.wu@...onical.com> To: Wolfram Sang <w.sang@...gutronix.de> CC: amit.kucheria@...onical.com, netdev@...r.kernel.org, s.hauer@...gutronix.de, linux-kernel@...r.kernel.org, kernel-team@...ts.ubuntu.com, gerg@...inux.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH] netdev/fec.c: add phylib supporting to enable carrier detection On 03/27/2010 08:57 PM, Wolfram Sang wrote: > On Fri, Mar 26, 2010 at 05:50:52PM +0800, Bryan Wu wrote: >> BugLink: http://bugs.launchpad.net/bugs/457878 >> >> - removed old MII phy control code >> - add phylib supporting >> - add ethtool interface to make user space NetworkManager works >> >> Tested on Freescale i.MX51 Babbage board. > > Sadly, I have problems here booting a custom board: > Firstly, I working on our Ubuntu Lucid 2.6.31 based kernel. This patch works fine on our system. Then I forward port it to 2.6.34-rc2 Linus mainline kernel. It also works fine on my hardware. --- # dmesg Linux version 2.6.34-rc2 (roc@...-desktop) (gcc version 4.4.1 (Sourcery G++ Lite 2009q3-67) ) #7 Mon Mar 29 15:37:54 CST 2010 CPU: ARMv7 Processor [412fc081] revision 1 (ARMv7), cr=10c53c7f CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache Machine: Freescale MX51 Babbage Board Memory policy: ECC disabled, Data cache writeback On node 0 totalpages: 131072 free_area_init_node: node 0, pgdat c0372874, node_mem_map c03d0000 Normal zone: 1024 pages used for memmap Normal zone: 0 pages reserved Normal zone: 130048 pages, LIFO batch:31 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 130048 Kernel command line: root=/dev/ram ro console=ttymxc0,115200 PID hash table entries: 2048 (order: 1, 8192 bytes) Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) Memory: 512MB = 512MB total Memory: 501556k/501556k available, 22732k reserved, 0K highmem Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) DMA : 0xffc00000 - 0xffe00000 ( 2 MB) vmalloc : 0xe0800000 - 0xf4000000 ( 312 MB) lowmem : 0xc0000000 - 0xe0000000 ( 512 MB) modules : 0xbf000000 - 0xc0000000 ( 16 MB) .init : 0xc0008000 - 0xc0024000 ( 112 kB) .text : 0xc0024000 - 0xc034f000 (3244 kB) .data : 0xc0350000 - 0xc0372e80 ( 140 kB) SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 Hierarchical RCU implementation. NR_IRQS:272 TrustZone Interrupt Controller (TZIC) initialized start_kernel(): bug: interrupts were enabled early Console: colour dummy device 80x30 Calibrating delay loop... 95.84 BogoMIPS (lpj=479232) Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok NET: Registered protocol family 16 bio: create slab <bio-0> at 0 SCSI subsystem initialized Switching to clocksource mxc_timer1 NET: Registered protocol family 2 IP route cache hash table entries: 4096 (order: 2, 16384 bytes) TCP established hash table entries: 16384 (order: 5, 131072 bytes) TCP bind hash table entries: 16384 (order: 4, 65536 bytes) TCP: Hash tables configured (established 16384 bind 16384) TCP reno registered UDP hash table entries: 256 (order: 0, 4096 bytes) UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) NET: Registered protocol family 1 RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. Trying to unpack rootfs image as initramfs... rootfs image is not initramfs (junk in compressed archive); looks like an initrd Freeing initrd memory: 14336K VFS: Disk quotas dquot_6.5.2 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) fuse init (API version 7.13) msgmni has been set to 1007 alg: No test for stdrng (krng) io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) Serial: IMX driver imx-uart.0: ttymxc0 at MMIO 0x73fbc000 (irq = 31) is a IMX console [ttymxc0] enabled imx-uart.1: ttymxc1 at MMIO 0x73fc0000 (irq = 32) is a IMX imx-uart.2: ttymxc2 at MMIO 0x7000c000 (irq = 33) is a IMX brd: module loaded loop: module loaded FEC Ethernet Driver fec_enet_mii_bus: probed eth0: Freescale FEC PHY driver [SMSC LAN8700] (mii_bus:phy_addr=0:00, irq=-1) mice: PS/2 mouse device common for all mice TCP cubic registered NET: Registered protocol family 17 VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 2 drivers/rtc/hctosys.c: unable to open rtc device (rtc0) RAMDISK: ext2 filesystem found at block 0 RAMDISK: Loading 8192KiB [1 disk] into ram disk... done. VFS: Mounted root (ext2 filesystem) readonly on device 1:0. Freeing init memory: 112K PHY: 0:00 - Link is Up - 100/Full PHY: 0:00 - Link is Down PHY: 0:00 - Link is Up - 100/Full # ifconfig eth0 Link encap:Ethernet HWaddr 00:04:9F:00:E8:C8 inet addr:192.168.0.102 Bcast:192.168.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:728 errors:0 dropped:0 overruns:0 frame:0 TX packets:72 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:221308 (216.1 KiB) TX bytes:6832 (6.6 KiB) Base address:0x6000 # uname -a Linux (none) 2.6.34-rc2 #7 Mon Mar 29 15:37:54 CST 2010 armv7l GNU/Linux # ping 192.168.0.1 PING 192.168.0.1 (192.168.0.1): 56 data bytes 64 bytes from 192.168.0.1: seq=0 ttl=127 time=13.397 ms 64 bytes from 192.168.0.1: seq=1 ttl=127 time=4.791 ms 64 bytes from 192.168.0.1: seq=2 ttl=127 time=4.746 ms 64 bytes from 192.168.0.1: seq=3 ttl=127 time=4.573 ms 64 bytes from 192.168.0.1: seq=4 ttl=127 time=4.635 ms 64 bytes from 192.168.0.1: seq=5 ttl=127 time=4.560 ms 64 bytes from 192.168.0.1: seq=6 ttl=127 time=4.678 ms 64 bytes from 192.168.0.1: seq=7 ttl=127 time=4.498 ms 64 bytes from 192.168.0.1: seq=8 ttl=127 time=4.557 ms ^C --- 192.168.0.1 ping statistics --- 9 packets transmitted, 9 packets received, 0% packet loss round-trip min/avg/max = 4.498/5.603/13.397 ms --- Is that possible for more guys to take a look at this patch? Any feedback are welcome. Thanks, -Bryan -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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