If MSI isn't configured device ROM program expects legacy interrupts to be enabled before it can fully boot. Don't forget to disable legacy interrupts after that.
While at it re-use the legacy irq enabling helper instead of calling ath10k_pci_write32(). Signed-off-by: Michal Kazior <[email protected]> --- drivers/net/wireless/ath/ath10k/pci.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 730bb18..6077095 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -2279,14 +2279,13 @@ static int ath10k_pci_wait_for_target_init(struct ath10k *ar) if (ar_pci->num_msi_intrs == 0) /* Fix potential race by repeating CORE_BASE writes */ - ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + - PCIE_INTR_ENABLE_ADDRESS, - PCIE_INTR_FIRMWARE_MASK | - PCIE_INTR_CE_MASK_ALL); + ath10k_pci_enable_legacy_irq(ar); mdelay(10); } while (time_before(jiffies, timeout)); + ath10k_pci_disable_and_clear_legacy_irq(ar); + if (val == 0xffffffff) { ath10k_err(ar, "failed to read device register, device is gone\n"); return -EIO; -- 1.8.5.3 _______________________________________________ ath10k mailing list [email protected] http://lists.infradead.org/mailman/listinfo/ath10k
