Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> writes: > For aid debugging, please see the state the device is in during mhi_pm_resume(). > You can use below diff: > > diff --git a/drivers/bus/mhi/core/pm.c b/drivers/bus/mhi/core/pm.c > index fb99e3727155..482d55dd209e 100644 > --- a/drivers/bus/mhi/core/pm.c > +++ b/drivers/bus/mhi/core/pm.c > @@ -898,6 +898,9 @@ int mhi_pm_resume(struct mhi_controller *mhi_cntrl) > if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) > return -EIO; > > + dev_info(dev, "Device state: %s\n", > + TO_MHI_STATE_STR(mhi_get_mhi_state(mhi_cntrl))); > + > if (mhi_get_mhi_state(mhi_cntrl) != MHI_STATE_M3) > return -EINVAL; This is what I get with my NUC testbox: [ 970.488202] ACPI: EC: event unblocked [ 970.492484] hpet: Lost 1587 RTC interrupts [ 970.492749] mhi mhi0: Device state: RESET [ 970.492805] ath11k_pci 0000:06:00.0: failed to set mhi state: RESUME(6) -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
