[PATCH] cs89x0: cleanly implement ixdp2x01 and pnx0501 support

Implement suitable versions of the readword/writeword macros for ixdp2x01 and
pnx0501.  Handle the 32-bit spacing of the registers in these functions
instead of in the header file.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: dmitry pervushin <dpervushin@ru.mvista.com>
Cc: <dsaxena@plexity.net>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 756d80adc47b..7abc9f858f98 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -338,6 +338,32 @@ out:
 }
 #endif
 
+#if defined(CONFIG_ARCH_IXDP2X01)
+static int
+readword(unsigned long base_addr, int portno)
+{
+        return (u16)__raw_readl(base_addr + (portno << 1));
+}
+
+static void
+writeword(unsigned long base_addr, int portno, int value)
+{
+        __raw_writel((u16)value, base_addr + (portno << 1));
+}
+#else
+#if defined(CONFIG_ARCH_PNX0501)
+static int
+readword(unsigned long base_addr, int portno)
+{
+        return inw(base_addr + (portno << 1));
+}
+
+static void
+writeword(unsigned long base_addr, int portno, int value)
+{
+        outw(value, base_addr + (portno << 1));
+}
+#else
 static int
 readword(unsigned long base_addr, int portno)
 {
@@ -349,6 +375,8 @@ writeword(unsigned long base_addr, int portno, int value)
 {
         outw(value, base_addr + portno);
 }
+#endif
+#endif
 
 static int
 readreg(struct net_device *dev, int regno)