ath: Use dev_get_drvdata where possible

Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath5k/pci.c

@@ -301,8 +301,7 @@ ath5k_pci_remove(struct pci_dev *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int ath5k_pci_suspend(struct device *dev)
 {
-	struct pci_dev *pdev = to_pci_dev(dev);
-	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+	struct ieee80211_hw *hw = dev_get_drvdata(dev);
 	struct ath5k_hw *ah = hw->priv;
 
 	ath5k_led_off(ah);

drivers/net/wireless/ath/ath9k/pci.c

@@ -1021,13 +1021,12 @@ static void ath_pci_remove(struct pci_dev *pdev)
 
 static int ath_pci_suspend(struct device *device)
 {
-	struct pci_dev *pdev = to_pci_dev(device);
-	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+	struct ieee80211_hw *hw = dev_get_drvdata(device);
 	struct ath_softc *sc = hw->priv;
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
 	if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
-		dev_info(&pdev->dev, "WOW is enabled, bypassing PCI suspend\n");
+		dev_info(device, "WOW is enabled, bypassing PCI suspend\n");
 		return 0;
 	}
 

drivers/net/wireless/ath/wil6210/pcie_bus.c

@@ -629,8 +629,7 @@ static int __maybe_unused wil6210_pm_resume(struct device *dev)
 
 static int __maybe_unused wil6210_pm_runtime_idle(struct device *dev)
 {
-	struct pci_dev *pdev = to_pci_dev(dev);
-	struct wil6210_priv *wil = pci_get_drvdata(pdev);
+	struct wil6210_priv *wil = dev_get_drvdata(dev);
 
 	wil_dbg_pm(wil, "Runtime idle\n");
 
@@ -644,8 +643,7 @@ static int __maybe_unused wil6210_pm_runtime_resume(struct device *dev)
 
 static int __maybe_unused wil6210_pm_runtime_suspend(struct device *dev)
 {
-	struct pci_dev *pdev = to_pci_dev(dev);
-	struct wil6210_priv *wil = pci_get_drvdata(pdev);
+	struct wil6210_priv *wil = dev_get_drvdata(dev);
 
 	if (test_bit(wil_status_suspended, wil->status)) {
 		wil_dbg_pm(wil, "trying to suspend while suspended\n");