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?
>
> 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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