RE: [PATCH] usb: gadget: composite: enable BESL support

From: Du, Changbin
Date: Tue Apr 28 2015 - 23:05:04 EST


> > From: Felipe Balbi <balbi@xxxxxx>
> > Date: Tue, 30 Sep 2014 16:08:03 -0500
> > Subject: [PATCH] usb: gadget: composite: enable BESL support
>
> missing upstream commit.
>
> > According to USB 2.0 ECN Errata for Link Power Management
> > (USB2-LPM-Errata-final.pdf), BESL must be enabled if LPM is enabled.
> >
> > This helps with USB30CV TD 9.21 LPM L1 Suspend Resume Test.
> >
> > Cc: <stable@xxxxxxxxxxxxxxx> # 3.14
>
> this should be backported all the way back to 3.1. The commit which this
> patch is fixing, was applied on v3.1, so we're probably going to backport to
> 3.10 and 3.14. When asking for backports, don't consider only your project,
> think about the kernel/stable releases as a whole.
>
> BTW, that should be v3.1+, the + tells the Stable team that from v3.1 forward,
> all kernels need the backport.
>
> > Signed-off-by: Felipe Balbi <balbi@xxxxxx>
> > Signed-off-by: Du, Changbin <changbin.du@xxxxxxxxx>
> > ---
> > Hi,
> >
> > This patch was introduced on v3.18. However the issue fixed already
> > existed on
> > v3.14 and v3.14 is a long term support version.
>
> the issue already existed on v3.1, why did you decide to backport only to
> v3.14 ?
>
> > So propose to backport it over there as well.
> >
> --
> balbi

Thanks for pointing it out, Balbi. Sorry for not considering the whole trees. This
is my first time to send backport request and now know how do it well. I will
resend request with field updated.

Du, Changbin
Regards
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