[U-Boot] [PATCH v3] usb: gadget: Fix data aborts during USB ethernet boot

[Marek Vasut]

Dear Bo Shen,

> Hi Joel Fernandes,
> 
> On 09/05/2013 07:55 AM, Joel Fernandes wrote:
> > As seen on GCC 4.6 Linaro compiler, control_req buffer is not aligned
> > on 4 byte boundaray causing data aborts in eth_setup -> conf_buf
> > during dhcp boot over usb_ether. Fix the issue my aligning control_req
> > buffer using DEFINE_CACHE_ALIGN_BUFFER.
> > 
> > Tested on am335x_evm platform (beaglebone).
> > Applies on 2013.10-rc1 branch.
> > 
> > Cc: Tom Rini <trini at ti.com>
> > Cc: Marek Vasut <marex at denx.de>
> > Signed-off-by: Joel Fernandes <joelf at ti.com>
> > ---
> > 
> > v2 changes:
> >   - Using DEFINE_CACHE_ALIGN_BUFFER macro for the alignment.
> >   - Also fixed alignment for status_req.
> > 
> > v3 changes:
> >   - Adjusted commit message for v2 change.
> >   
> >   drivers/usb/gadget/ether.c | 5 +++--
> >   1 file changed, 3 insertions(+), 2 deletions(-)
> 
> Test on sama5d3xek board with RNDIS gadget, it still has the unaligned
> access issue.
> 
> However, I test with this patch "usb: gadget: config: fix unaligned
> access issues" from: Troy Kisky <troy.kisky at boundarydevices.com> really
> fix the unaligned access issue.
> 
> more information at: http://patchwork.ozlabs.org/patch/264151/

Troy, care to fix up the patch's commit log so I can try and understand it?

Best regards,
Marek Vasut