r8169: remove unnecessary cast of readl()'s return value
readl() returns a 32-bit integer on all platforms.
There is no need to cast its return value.
Signed-off-by: Junchang Wang <junchangwang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 217e709..ca93cdf 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -88,7 +88,7 @@
#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
#define RTL_R8(reg) readb (ioaddr + (reg))
#define RTL_R16(reg) readw (ioaddr + (reg))
-#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
+#define RTL_R32(reg) readl (ioaddr + (reg))
enum mac_version {
RTL_GIGA_MAC_NONE = 0x00,