struct ath10k_pci *ar_pci;
enum ath10k_hw_rev hw_rev;
struct ath10k_bus_params bus_params = {};
- bool pci_ps;
+ bool pci_ps, is_qca988x = false;
int (*pci_soft_reset)(struct ath10k *ar);
int (*pci_hard_reset)(struct ath10k *ar);
u32 (*targ_cpu_to_ce_addr)(struct ath10k *ar, u32 addr);
case QCA988X_2_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA988X;
pci_ps = false;
+ is_qca988x = true;
pci_soft_reset = ath10k_pci_warm_reset;
pci_hard_reset = ath10k_pci_qca988x_chip_reset;
targ_cpu_to_ce_addr = ath10k_pci_qca988x_targ_cpu_to_ce_addr;
goto err_deinit_irq;
}
+ bus_params.dev_type = ATH10K_DEV_TYPE_LL;
+ bus_params.link_can_suspend = true;
+ /* Read CHIP_ID before reset to catch QCA9880-AR1A v1 devices that
+ * fall off the bus during chip_reset. These chips have the same pci
+ * device id as the QCA9880 BR4A or 2R4E. So that's why the check.
+ */
+ if (is_qca988x) {
+ bus_params.chip_id =
+ ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS);
+ if (bus_params.chip_id != 0xffffffff) {
+ if (!ath10k_pci_chip_is_supported(pdev->device,
+ bus_params.chip_id))
+ goto err_unsupported;
+ }
+ }
+
ret = ath10k_pci_chip_reset(ar);
if (ret) {
ath10k_err(ar, "failed to reset chip: %d\n", ret);
goto err_free_irq;
}
- bus_params.dev_type = ATH10K_DEV_TYPE_LL;
- bus_params.link_can_suspend = true;
bus_params.chip_id = ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS);
- if (bus_params.chip_id == 0xffffffff) {
- ath10k_err(ar, "failed to get chip id\n");
- goto err_free_irq;
- }
+ if (bus_params.chip_id == 0xffffffff)
+ goto err_unsupported;
- if (!ath10k_pci_chip_is_supported(pdev->device, bus_params.chip_id)) {
- ath10k_err(ar, "device %04x with chip_id %08x isn't supported\n",
- pdev->device, bus_params.chip_id);
+ if (!ath10k_pci_chip_is_supported(pdev->device, bus_params.chip_id))
goto err_free_irq;
- }
ret = ath10k_core_register(ar, &bus_params);
if (ret) {
return 0;
+err_unsupported:
+ ath10k_err(ar, "device %04x with chip_id %08x isn't supported\n",
+ pdev->device, bus_params.chip_id);
+
err_free_irq:
ath10k_pci_free_irq(ar);
ath10k_pci_rx_retry_sync(ar);