diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index fb74638f970f..1898b1a33960 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -843,6 +843,15 @@ static int ath11k_pci_ext_irq_config(struct ath11k_base *ab) return 0; } +static int ath11k_pci_set_irq_affinity_hint(struct ath11k_pci *ab_pci, + const struct cpumask *m) +{ + if (test_bit(ATH11K_PCI_FLAG_MULTI_MSI_VECTORS, &ab_pci->flags)) + return 0; + + return irq_set_affinity_hint(ab_pci->pdev->irq, m); +} + static int ath11k_pci_config_irq(struct ath11k_base *ab) { struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); @@ -859,6 +868,12 @@ static int ath11k_pci_config_irq(struct ath11k_base *ab) if (ret) return ret; + ret = ath11k_pci_set_irq_affinity_hint(ab_pci, cpumask_of(0)); + if (ret) { + ath11k_err(ab, "failed to set irq affinity %d\n", ret); + return ret; + } + /* Configure CE irqs */ for (i = 0, msi_data_idx = 0; i < ab->hw_params.ce_count; i++) { if (ath11k_ce_get_attr_flags(ab, i) & CE_ATTR_DIS_INTR) @@ -878,7 +893,7 @@ static int ath11k_pci_config_irq(struct ath11k_base *ab) if (ret) { ath11k_err(ab, "failed to request irq %d: %d\n", irq_idx, ret); - return ret; + goto err_irq_affinity_cleanup; } ab->irq_num[irq_idx] = irq; @@ -889,9 +904,13 @@ static int ath11k_pci_config_irq(struct ath11k_base *ab) ret = ath11k_pci_ext_irq_config(ab); if (ret) - return ret; + goto err_irq_affinity_cleanup; return 0; + +err_irq_affinity_cleanup: + ath11k_pci_set_irq_affinity_hint(ab_pci, NULL); + return ret; } static void ath11k_pci_init_qmi_ce_config(struct ath11k_base *ab) @@ -1488,6 +1507,8 @@ static void ath11k_pci_remove(struct pci_dev *pdev) struct ath11k_base *ab = pci_get_drvdata(pdev); struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); + ath11k_pci_set_irq_affinity_hint(ab_pci, NULL); + if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) { ath11k_pci_power_down(ab); ath11k_debugfs_soc_destroy(ab);