Re: [PATCH] usb: ffs: fix regression when quirk_ep_out_aligned_size flag is set

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On Tue, Oct 07, 2014 at 07:31:44PM -0500, Felipe Balbi wrote:
> Hi,

Hi Felipe,

> 
> On Tue, Oct 07, 2014 at 05:18:06PM -0700, David Cohen wrote:
> > The commit '2e4c7553cd usb: gadget: f_fs: add aio support' broke the
> 
> did that commit non-aio or is only aio broken ?

That commit broke the quirk on both cases.

> 
> > quirk implemented to align buffer size to maxpacketsize on out endpoint.
> > As result, functionfs does not work on Intel platforms using dwc3 driver
> > (i.e. Bay Trail and Merrifield). This patch fixes the issue.
> 
> and Braswell.
> 
> > This code is based on a previous Qiuxu's patch.
> 
> How have you tested this ? Do you have a test-case to share ? Then I can
> add it to my tests which I have been running on my platforms too (they
> include USB20CV and USB30CV where applicable - quite a few fixes coming
> soon).

My testcase is to use Android's adbd service via function_fs (no
out-of-tree android gadget). Without the quitk, it doesn't work.

Br, David

> 
> cheers
> 
> -- 
> balbi


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