1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 56a9f174141..4cdf4d3a9dd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2117,10 +2117,6 @@ EXPORT_SYMBOL(iwl_mac_remove_interface);
 
 /**
  * iwl_mac_config - mac80211 config callback
- *
- * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to
- * be set inappropriately and the driver currently sets the hardware up to
- * use it whenever needed.
  */
 int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 {
@@ -2935,6 +2931,12 @@ int iwl_pci_resume(struct pci_dev *pdev)
         struct iwl_priv *priv = pci_get_drvdata(pdev);
         int ret;
 
+        /*
+         * We disable the RETRY_TIMEOUT register (0x41) to keep
+         * PCI Tx retries from interfering with C3 CPU state.
+         */
+        pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
+
         pci_set_power_state(pdev, PCI_D0);
         ret = pci_enable_device(pdev);
         if (ret)