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

From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] usb: ci_udc: fix interaction with CONFIG_USB_ETH_CDC
Date: Sat, 28 Jun 2014 22:45:21 +0200	[thread overview]
Message-ID: <201406282245.21271.marex@denx.de> (raw)
In-Reply-To: <53AF278F.80403@posteo.de>

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,