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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 217e709bda3e..ca93cdf002a7 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -88,7 +88,7 @@ static const int multicast_filter_limit = 32;
 #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,