On Thu, 4 Aug 2016 16:49:30 +0200 "H. Nikolaus Schaller" <hns@xxxxxxxxxxxxx> wrote: > > Rationale: > > > > The charger driver calls pm_runtime_get_sync(bci->transceiver->dev); > > which should indirectly call twl4030_usb_set_mode to set the > > POWER_CTRL_OTG_ENAB bit. This enables the prescaler hardware > > for ADC8 (VBUS) channel. But this does not happen for reasons > > outside the charger driver. > > how should that work? I only have seen the call trace from the musb/omap2430.c glue though the phy subsystem (via phy_ops) to twl4030_phy_power_on (which sets the important bit). And the phy subsystem has its own power refcounting system which is brought into disorder by unbalanced calls from the musb system... Regards, Andreas -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
