Hi Mans On 16 March 2012 11:50, Mans Rullgard <mans.rullg...@linaro.org> wrote:
> On 16 March 2012 04:14, Sachin Kamat <sachin.ka...@linaro.org> wrote: > > Hi, > > > > On 15/03/2012, Mans Rullgard <mans.rullg...@linaro.org> wrote: > >> On 14 March 2012 20:04, Jannis Pohlmann < > jannis.pohlm...@codethink.co.uk> > >> wrote: > >>> Hi, > >>> > >>> I am currently playing with a couple of the development boards for > which > >>> there are Linaro hwpacks and LEBs. Since what I am trying to do > requires > >>> a lot of disk and network I/O, I've been paying special attention to > the > >>> data transfer rates I can get out of these boards. > >>> > >>> Below is a brief summary of my findings. > >>> > >>> 3) Origen > >>> > >>> * the internal USB hub runs at Full Speed (12 MBit/s), resulting in a > >>> maximum USB disk I/O of 1.5 MByte/s > >>> > >>> * since the board does not feature Ethernet itself, I tried to attach > >>> a USB Ethernet controller to it, but of course the transfer rate > >>> through that is by the I/O upper limit of the USB hub > >>> > >>> * I did not test wireless but it is not feasible for what I am trying > >>> to do anyway > >> > >> Which kernel version are you using on the Origen? I noticed the same > >> problem > >> a while back, but it appears to have been fixed in the Samsung landing > team > >> tree. There is still another bug present in the Origen kernel > preventing > >> USB-ethernet working with EHCI. Some patches have been posted, but they > >> have not made it into the trees yet. > > > > These patches have been added to Samsung LT tree [1]. > > > > [1] git://git.linaro.org/landing-teams/working/samsung/kernel.git > > (branch: tracking) > > That branch still needs one more patch (attached). > > Thanks for looking at this git. Initially I submitted patches with the call-back function http://www.spinics.net/lists/linux-usb/msg59212.html But maintainers don't like to use call-back function, and it was rejected. So Now LT doesn't to use this call-back function > but it was > -- > Mans Rullgard / mru > > _______________________________________________ > linaro-dev mailing list > linaro-dev@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-dev > >
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