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path: root/drivers/net/wireless/iwlwifi/iwl-agn.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 061ffba9c884..c0b73c4d6f44 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2602,6 +2602,7 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw)
{
struct iwl_priv *priv = hw->priv;
int ret;
+ u16 pci_cmd;
IWL_DEBUG_MAC80211("enter\n");
@@ -2612,6 +2613,13 @@ static int iwl4965_mac_start(struct ieee80211_hw *hw)
pci_restore_state(priv->pci_dev);
pci_enable_msi(priv->pci_dev);
+ /* enable interrupts if needed: hw bug w/a */
+ pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd);
+ if (pci_cmd & PCI_COMMAND_INTX_DISABLE) {
+ pci_cmd &= ~PCI_COMMAND_INTX_DISABLE;
+ pci_write_config_word(priv->pci_dev, PCI_COMMAND, pci_cmd);
+ }
+
ret = request_irq(priv->pci_dev->irq, iwl4965_isr, IRQF_SHARED,
DRV_NAME, priv);
if (ret) {