Re: [PATCH] usb: musb: da8xx: fix babble condition handling

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On Mon, Dec 18, 2017 at 04:16:33PM +0100, Greg Kroah-Hartman wrote:
> On Mon, Dec 18, 2017 at 08:44:54AM -0600, Bin Liu wrote:
> > When babble condition happens, the musb controller might automatically
> > turns off VBUS. On DA8xx platform, the controller generates drvvbus
> > interrupt for turning off VBUS along with the babble interrupt.
> > 
> > In this case, we should handle the babble interrupt first and recover
> > from the babble condition.
> > 
> > This change ignores the drvvbus interrupt if babble interrupt is also
> > generated, so the babble recovery routine works properly.
> > 
> > c: stable@xxxxxxxxxxxxxxx # v3.16+
> > Signed-off-by: Bin Liu <b-liu@xxxxxx>
> > ---
> >  drivers/usb/musb/da8xx.c | 10 +++++++++-
> >  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> Next time, please give me a hint that this was commit
> bd3486ded7a0c313a6575343e6c2b21d14476645 in Linus's tree so I don't have
> to dig it out :)

I am sorry. I should have checked the format of backport patches first.

Regards,
-Bin.



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