From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Thu, 5 Sep 2013 15:46:35 +0200
Subject: [U-Boot] [PATCH v3] usb: gadget: Fix data aborts during USB
	ethernet boot
In-Reply-To: <5227DEF0.80208@atmel.com>
References: <1378338914-11000-1-git-send-email-joelf@ti.com>
	<5227DEF0.80208@atmel.com>
Message-ID: <201309051546.35642.marex@denx.de>
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To: u-boot@lists.denx.de

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@ti.com>
> > Cc: Marek Vasut <marex@denx.de>
> > Signed-off-by: Joel Fernandes <joelf@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@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