| Message ID | 20201223030225.2345-7-cjhuang@codeaurora.org (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Kalle Valo |
| Headers | show |
| Series | ath11k: support one MSI vector | expand |
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index a120d7c..8c6147b 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -1119,7 +1119,11 @@ static int ath11k_pci_start(struct ath11k_base *ab) set_bit(ATH11K_PCI_FLAG_INIT_DONE, &ab_pci->flags); - ath11k_pci_aspm_restore(ab_pci); + /* TODO: fo now don't restore ASPM in case of single MSI + * vector as MHI register reading in M2 causes system hang. + */ + if (ab_pci->vectors_32_capability) + ath11k_pci_aspm_restore(ab_pci); ab->ce_irq_enabled_flag = true; ath11k_pci_ce_irqs_enable(ab);
For single MSI vector, ath11k doesn't restore ASPM as the MHI register reading in M2 causes system hung. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Carl Huang <cjhuang@codeaurora.org> --- drivers/net/wireless/ath/ath11k/pci.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)