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.
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
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