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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 1cbc22a180a7..1e11706dcf63 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2930,6 +2930,12 @@ 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)