diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 8bb286d..8b28814 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -35,8 +35,7 @@
 {
 	u8 u8tmp;
 
-	pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE,
-			     (u8 *)&u8tmp);
+	pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 	*csz = (int)u8tmp;
 
 	/*