Merge "mhi: core: Check PCIe link status before accessing MHI registers" (1d9c15d5) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/bus/mhi/core/mhi_pm.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1517,6 +1517,13 @@ int mhi_pm_fast_resume(struct mhi_controller *mhi_cntrl, bool notify_client)
		}

		if (mhi_cntrl->rddm_supported) {

		/* check EP is in proper state */
		if (mhi_cntrl->link_status(mhi_cntrl, mhi_cntrl->priv_data)) {
		MHI_ERR("Unable to access EP Config space\n");
		return -EIO;
		}

		if (mhi_get_exec_env(mhi_cntrl) == MHI_EE_RDDM &&
		!mhi_cntrl->power_down) {
		mhi_cntrl->ee = MHI_EE_RDDM;