On Fri, Jan 20, 2017 at 10:50:03PM +0530, Vinod Koul wrote:
> 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:
>
> Hi,
>
> Can we get some tested-by for this series?
Tested-by: Bin Liu <b-...@ti.com>, or
Acked-by: Bin Liu <b-...@ti.com>, whichever you prefer ;)
Regards,
-Bin.
>
> >
> > 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.
> >
> > Regards,
> >
> > Tony
> >
> >
> > Tony Lindgren (2):
> > dmaengine: cppi41: Fix runtime PM timeouts with USB mass storage
> > dmaengine: cppi41: Fix oops in cppi41_runtime_resume
> >
> > drivers/dma/cppi41.c | 56
> > ++++++++++++++++++++++++++++++++++++++--------------
> > 1 file changed, 41 insertions(+), 15 deletions(-)
> >
> > --
> > 2.11.0
>
> --
> ~Vinod
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