[U-Boot] [PATCH] usb: ci_udc: fix interaction with CONFIG_USB_ETH_CDC

Marek Vasut
2014-06-28T20:45:21Z

On Saturday, June 28, 2014 at 10:37:35 PM, J?rg Krause wrote:
> On 06/28/2014 09:59 PM, Marek Vasut wrote:
> > I would actually be really glad if you could test plain u-boot-usb/master
> > and see if your USB problem is present there. Also, it would be really
> > nice to isolate the sequence of commands which triggers the bug, so we
> > have a proper reproducible testcase.
> >
> > Anyway, this thread is not a place where I would like to discuss this.
> > This should be discussed in the "original" thread, that is:
> >
> > Subj: [PATCH] usb: ci_udc: fix interaction with CONFIG_USB_ETH_CDC
>
> I cloned u-boot-usb/master and tested it. I am running "tftpd
> rootfs.ubifs" several times. Here is the log (I shortened the loading
> process bar):
[...]
> => tftp rootfs.ubifs
> using ci_udc, OUT ep- IN ep- STATUS ep-
> MAC 00:19:b8:00:00:02
> HOST MAC 00:19:b8:00:00:01
> high speed config #1: 2 mA, Ethernet Gadget, using CDC Ethernet
> USB network up!
> Using usb_ether device
> TFTP from server 10.0.0.1; our IP address is 10.0.0.2
> Filename 'rootfs.ubifs'.
> Load address: 0x40008000
> Loading: [snip]
> ##############################################################T ###
> [snip]
> 1.7 MiB/s

Here it's 1.7MB/s ...

> done
> Bytes transferred = 13205504 (c98000 hex)
> => tftp rootfs.ubifs
> using ci_udc, OUT ep- IN ep- STATUS ep-
> MAC 00:19:b8:00:00:02
> HOST MAC 00:19:b8:00:00:01
> high speed config #1: 2 mA, Ethernet Gadget, using CDC Ethernet
> USB network up!
> Using usb_ether device
> TFTP from server 10.0.0.1; our IP address is 10.0.0.2
> Filename 'rootfs.ubifs'.
> Load address: 0x40008000
> Loading:
> #################################################################
> [snip]
> 5.6 MiB/s

... and here it's 5.6 MB/s ... that's weird.

[...]

> The error always appears after calling tftp the third time! The first
> two runs work fine, but the third one always fails. I run this test
> about 20 times.

And finally, what is the contents of 'rootfs.ubifs' ?

Best regards,