Merge "cnss2: Save PCIe GEN speed and width changed from device" (cc779d02) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/net/wireless/cnss2/pci.c

+28 −0

Original line number	Diff line number	Diff line
		@@ -1064,16 +1064,20 @@ static int cnss_pci_set_mhi_state(struct cnss_pci_data *pci_priv,
		ret = 0;
		break;
		case CNSS_MHI_SUSPEND:
		mutex_lock(&pci_priv->mhi_ctrl->pm_mutex);
		if (pci_priv->drv_connected_last)
		ret = mhi_pm_fast_suspend(pci_priv->mhi_ctrl, true);
		else
		ret = mhi_pm_suspend(pci_priv->mhi_ctrl);
		mutex_unlock(&pci_priv->mhi_ctrl->pm_mutex);
		break;
		case CNSS_MHI_RESUME:
		mutex_lock(&pci_priv->mhi_ctrl->pm_mutex);
		if (pci_priv->drv_connected_last)
		ret = mhi_pm_fast_resume(pci_priv->mhi_ctrl, true);
		else
		ret = mhi_pm_resume(pci_priv->mhi_ctrl);
		mutex_unlock(&pci_priv->mhi_ctrl->pm_mutex);
		break;
		case CNSS_MHI_TRIGGER_RDDM:
		ret = mhi_force_rddm_mode(pci_priv->mhi_ctrl);
		@@ -4261,6 +4265,29 @@ static int cnss_pci_get_mhi_msi(struct cnss_pci_data *pci_priv)
		return 0;
		}

		static int cnss_mhi_bw_scale(struct mhi_controller *mhi_ctrl,
		struct mhi_link_info *link_info)
		{
		struct cnss_pci_data *pci_priv = mhi_ctrl->priv_data;
		int ret = 0;

		ret = msm_pcie_set_link_bandwidth(pci_priv->pci_dev,
		link_info->target_link_speed,
		link_info->target_link_width);

		if (ret)
		return ret;

		pci_priv->def_link_speed = link_info->target_link_speed;
		pci_priv->def_link_width = link_info->target_link_width;

		cnss_pr_dbg("Setting link speed:0x%x, width:0x%x\n",
		link_info->target_link_speed,
		link_info->target_link_width);

		return 0;
		}

		static int cnss_pci_register_mhi(struct cnss_pci_data *pci_priv)
		{
		int ret = 0;
		@@ -4312,6 +4339,7 @@ static int cnss_pci_register_mhi(struct cnss_pci_data *pci_priv)
		mhi_ctrl->status_cb = cnss_mhi_notify_status;
		mhi_ctrl->runtime_get = cnss_mhi_pm_runtime_get;
		mhi_ctrl->runtime_put = cnss_mhi_pm_runtime_put_noidle;
		mhi_ctrl->bw_scale = cnss_mhi_bw_scale;

		mhi_ctrl->rddm_size = pci_priv->plat_priv->ramdump_info_v2.ramdump_size;
		mhi_ctrl->sbl_size = SZ_512K;