PATCH: add generic ide iops

PATCH: add generic ide iops

[Alan Cox]

This abstracts out the mmio copies as PPC at least has better ways to
this and there are other issues on other platforms. It keeps DaveM happy
too 8)

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.61/include/asm-generic/ide_iops.h linux-2.5.61-ac2/include/asm-generic/ide_iops.h
--- linux-2.5.61/include/asm-generic/ide_iops.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.5.61-ac2/include/asm-generic/ide_iops.h	2003-02-18 14:31:01.000000000 +0000
@@ -0,0 +1,38 @@
+/* Generic I/O and MEMIO string operations.  */
+
+#define __ide_insw	insw
+#define __ide_insl	insl
+#define __ide_outsw	outsw
+#define __ide_outsl	outsl
+
+static __inline__ void __ide_mm_insw(unsigned long port, void *addr, u32 count)
+{
+	while (count--) {
+		*(u16 *)addr = readw(port);
+		addr += 2;
+	}
+}
+
+static __inline__ void __ide_mm_insl(unsigned long port, void *addr, u32 count)
+{
+	while (count--) {
+		*(u32 *)addr = readl(port);
+		addr += 4;
+	}
+}
+
+static __inline__ void __ide_mm_outsw(unsigned long port, void *addr, u32 count)
+{
+	while (count--) {
+		writew(*(u16 *)addr, port);
+		addr += 2;
+	}
+}
+
+static __inline__ void __ide_mm_outsl(unsigned long port, void *addr, u32 count)
+{
+	while (count--) {
+		writel(*(u32 *)addr, port);
+		addr += 4;
+	}
+}