On Wed, May 18, 2016 at 11:07:37AM -0700, Tony Lindgren wrote: > * Bin Liu <b-liu@xxxxxx> [160517 15:06]: > > On Tue, May 17, 2016 at 02:54:04PM -0700, Tony Lindgren wrote: > > > > > s/pm_runtime_put/pm_runtime_put_sync/ will fix it. I'm wondering why > > > it breaks though as dsps glue does not use autosuspend? It could also > > > > I am not familiar with pm-runtime framework, but I thought dsps glue > > does use autosuspend. > > > > > be a case where the parent and child PM runtime use counts get out > > > of sync? > > > > > > BTW, I did give my series a quick try here on j5eco-evm and that behaved > > > for peripheral and host enumeration. It's pretty much the same setup as > > > on am335x I believe. > > > > Does j5eco-evm have a otg port? > > Yes it has a mini-AB port and usb0_id is wired. > > > The case which is broken on mine is > > > - boot the board; > > - modprobe g-zero; > > - plug in a usb deivce with A-cable to the otg port; > > > > It generates drvvbus interrupt (0x100) and connect interrupt (0x10), but > > then session bit is gone and vbus has no power, so enum failed. > > Is this with or without the $subject series? Without. > > > I tried to enable some dynamic-debug log, but was unable to see any > > glue. I will try to enable musb reg access log tomorrow to see if I can > > find anything. > > OK, I'm looking at implementing proper PM runtime for dsps. > > Regards, > > Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html