On Tue, 11 Aug 2015 23:34:17 +0200 Alexander Holler <hol...@ahsoftware.de> wrote:
> Am 11.08.2015 um 10:29 schrieb NeilBrown: > > > With the current mainline code (plus my twl4030 charger enhancements, > > which are not deeply relevant), the refcount does go to zero when > > nothing is plugged in, and goes to 2 when a regular USB cable is > > plugged in. > > Also I think it's just a little miswording (or extended typo), I'm not > using a regular USB cable, but an OTG cable when using the host mode of > the musb on the Beagleboard. Just to avoid confusion. Or do you talk > about the client mode when it goes to 2? With an OTG cable, the usage_count would probably got to '1' because the charger wouldn't be interested. However the important point is that the usage_count goes to zero when no cable is plugged in. > > Besides that, I'm sorry to not be of further help. My deeper knowledge > about the musb sources in the kernel and u-boot (and the HW in > question), has gone lost and I've currently no real reason to refresh > that. ;) Just reporting the problem is sometimes 90% for the bug fixed. I'm confident I know what is happening. What isn't clear is how best to fix it without breaking something else... I suspect Felipe can help with that. Thanks, NeilBrown -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
