[U-Boot] TFTP pause and timeout on MX28 platforms

Hector Palacios
2013-03-13T15:47:55Z

Dear Marek Vasut,

On 03/13/2013 11:58 AM, Marek Vasut wrote:
> Dear Hector Palacios,
>
>> Hello,
>>
>> When doing large TFTP downloads (files bigger than 10MiB) on my MX28
>> platform I'm sometimes experiencing pauses and timeouts. U-Boot will
>> eventually restart the transmission and sometimes may successfully
>> complete the download, but other times it won't.
>> On my platform it was somewhat mitigated (but not resolved) by reverting
>> this patch from Marek:
>>
>> commit 67449098a86be18cbdb27345bebe8da57e5d8899
>> Author: Marek Vasut <marex@denx.de>
>> Date: Wed Aug 29 03:49:50 2012 +0000
>>
>> FEC: Rework the TX wait mechanism
>>
>> The problem is reproducible in Freescale's MX28EVK.
>> The larger the file, the more chances to see the problem. Please try with
>> 50MiB files or larger. Has anybody else seen it?
>>
>> On an old U-Boot v2009 TFTP transmission was twice slower than with v2013,
>> but didn't suffer from this.
>
> What version of u-boot do you use ? It was resolved in recent versions.

I'm using v2013.01.
Could you please point me to the commit(s) that solve it?
The commits I see on drivers/net/fec_mxc.c after v2013.01 are from Troy Kisky and
don't seem to address this.
Thank you,

--
H?ctor Palacios