Hi, Roger Quadros <[email protected]> writes: > On 30/05/16 14:35, Felipe Balbi wrote: >> this patch implements the most basic pm_runtime >> support for dwc3. Whenever USB cable is dettached, >> then we will allow core to runtime_suspend. >> >> Runtime suspending will involve completely tearing >> down event buffers and require a full soft-reset of >> the IP. >> >> Note that a further optimization could be >> implemented once we decide to support hibernation, >> which is to allow runtime_suspend with cable >> connected when bus is in U3. That's subject to a >> separate patch, however. >> >> Tested-by: Baolin Wang <[email protected]> >> Signed-off-by: Felipe Balbi <[email protected]> > > We've discussed this offline but for the record, this patch > breaks DWC3 on OMAP platforms. At least on dra7-evm I could see > both USB host and gadget breaking. > > I will try to implement the runtime resume hooks for dwc3-omap > and let you know if we can make it work.
cool, thanks :-) -- balbi
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