From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCHv4 0/2] cppi41 dma fixes for v4.10-rc cycle
Date: Wed, 25 Jan 2017 11:31:18 +0530
Message-ID: <20170125060117.GZ3573@localhost>
References: <20170119164908.9472-1-tony@atomide.com>
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To: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
Cc: Dan Williams <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Alexandre Bailon <abailon-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>, Andy Shevchenko <andy.shevchenko-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Bin Liu <b-liu-l0cyMroinI0@public.gmane.org>, Daniel Mack <zonque-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Felipe Balbi <felipe.balbi-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, George Cherian <george.cherian-l0cyMroinI0@public.gmane.org>, Grygorii Strashko <grygorii.strashko-l0cyMroinI0@public.gmane.org>, Johan Hovold <johan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Peter Ujfalusi <peter.ujfalusi-l0cyMroinI0@public.gmane.org>, Sekhar Nori <nsekhar-l0cyMroinI0@public.gmane.org>, Sebastian Andrzej Siewior <bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>, Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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On Thu, Jan 19, 2017 at 08:49:06AM -0800, Tony Lindgren wrote:
> Hi all,
> 
> I'm using v4 naming here as the earlier patch "dmaengine: cppi41: Add dma
> support to da8xx" has been separated from the error -115 issue. We've
> identified so far three musb and cppi41 regressions:
> 
> 1. Error -71 regression with musb
> 
>    This is not dma related, and fixed with recently posted patch
>    "[PATCH 1/2] usb: musb: Fix host mode error -71 regression".
> 
> 2. Error -115 regression with cppi41 dma with musb
> 
>    This regression was caused by commit 098de42ad670 ("dmaengine:
>    cppi41: Fix unpaired pm runtime when only a USB hub is connected")
>    and causes runtime PM autosuspend delay to time out on active dma
>    transfers when connecting a mass storage device to a usb hub.
>    This is fixed in the first patch in this series.
> 
> 3. Race with runtime PM and cppi41_dma_issue_pending()
> 
>    This is really a separate issue from the error -115 problem, and
>    fixed with the second patch in this series. That's minimal v4
>    version of the "dmaengine: cppi41: Fix oops in cppi41_runtime_resume"
>    patch.

Applied, thanks

-- 
~Vinod
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