Blackfin: fix warnings with I/O port macros
The I/O port functions take ints, so we need to cast them up before
passing to our read/write funcs to avoid ugly messes of warnings.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index 63b2d8c..3022b5c 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -80,19 +80,22 @@
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
-#define inb(addr) readb(addr)
-#define inw(addr) readw(addr)
-#define inl(addr) readl(addr)
-#define outb(x,addr) ((void) writeb(x,addr))
-#define outw(x,addr) ((void) writew(x,addr))
-#define outl(x,addr) ((void) writel(x,addr))
+/* Convert "I/O port addresses" to actual addresses. i.e. ugly casts. */
+#define __io(port) ((void *)(unsigned long)(port))
-#define inb_p(addr) inb(addr)
-#define inw_p(addr) inw(addr)
-#define inl_p(addr) inl(addr)
-#define outb_p(x,addr) outb(x,addr)
-#define outw_p(x,addr) outw(x,addr)
-#define outl_p(x,addr) outl(x,addr)
+#define inb(port) readb(__io(port))
+#define inw(port) readw(__io(port))
+#define inl(port) readl(__io(port))
+#define outb(x,port) writeb(x,__io(port))
+#define outw(x,port) writew(x,__io(port))
+#define outl(x,port) writel(x,__io(port))
+
+#define inb_p(port) inb(__io(port))
+#define inw_p(port) inw(__io(port))
+#define inl_p(port) inl(__io(port))
+#define outb_p(x,port) outb(x,__io(port))
+#define outw_p(x,port) outw(x,__io(port))
+#define outl_p(x,port) outl(x,__io(port))
#define ioread8_rep(a,d,c) readsb(a,d,c)
#define ioread16_rep(a,d,c) readsw(a,d,c)