Commit 3394b51c authored by Carl Huang's avatar Carl Huang Committed by Kalle Valo
Browse files

wifi: ath12k: check hardware major version for WCN7850 



This is to check the hardware major version for WCN7850 so only
supported hardware is initialized. Now only WCN7850 with major
version 2 is supported.

Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4

Signed-off-by: default avatarCarl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230518105741.1281424-1-quic_cjhuang@quicinc.com
parent 054b5580

drivers/net/wireless/ath/ath12k/pci.c

+13 −1
Original line number Diff line number Diff line
@@ -1227,8 +1227,20 @@ static int ath12k_pci_probe(struct pci_dev *pdev, 
	case WCN7850_DEVICE_ID:

		ab_pci->msi_config = &ath12k_msi_config[0];

		ab->static_window_map = false;

		ab->hw_rev = ATH12K_HW_WCN7850_HW20;

		ab_pci->pci_ops = &ath12k_pci_ops_wcn7850;

		ath12k_pci_read_hw_version(ab, &soc_hw_version_major,

					   &soc_hw_version_minor);

		switch (soc_hw_version_major) {

		case ATH12K_PCI_SOC_HW_VERSION_2:

			ab->hw_rev = ATH12K_HW_WCN7850_HW20;

			break;

		default:

			dev_err(&pdev->dev,

				"Unknown hardware version found for WCN7850: 0x%x\n",

				soc_hw_version_major);

			ret = -EOPNOTSUPP;

			goto err_pci_free_region;

		}

		break;



	default: