netdev - [Patch]r8169: remove unnecessary cast of readl()'s return value

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Message-ID: <20100530122606.GC1146@host-a-55.ustcsz.edu.cn>
Date:	Sun, 30 May 2010 20:26:07 +0800
From:	Junchang Wang <junchangwang@...il.com>
To:	davem@...emloft.net, romieu@...zoreil.com
Cc:	netdev@...r.kernel.org
Subject: [Patch]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@...il.com>
---
 drivers/net/r8169.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

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 @@ 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,
--
--
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