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ath10k: re-disable interrupts after target init

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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 <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2014-10-20 14:14:37 +02:00 committed by Kalle Valo
parent 7d9d5587c2
commit a428249da9
1 changed files with 3 additions and 4 deletions
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7
drivers/net/wireless/ath/ath10k/pci.c
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@ -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;