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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-pci.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index 0b815de9254e..fb7e436b40c7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -508,6 +508,11 @@ static int iwl_pci_suspend(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct iwl_bus *bus = pci_get_drvdata(pdev);
+ /* Before you put code here, think about WoWLAN. You cannot check here
+ * whether WoWLAN is enabled or not, and your code will run even if
+ * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
+ */
+
return iwl_suspend(bus->drv_data);
}
@@ -516,6 +521,11 @@ static int iwl_pci_resume(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct iwl_bus *bus = pci_get_drvdata(pdev);
+ /* Before you put code here, think about WoWLAN. You cannot check here
+ * whether WoWLAN is enabled or not, and your code will run even if
+ * WoWLAN is enabled - the NIC may be alive.
+ */
+
/*
* We disable the RETRY_TIMEOUT register (0x41) to keep
* PCI Tx retries from interfering with C3 CPU state.