[PATCH] ppc64: Big-endian I/O memory accessors.

[Arthur Othieno]

I/O memory accessors. Big-endian version. For those busses/devices
that do export big-endian I/O memory.

Of notable relevance/reference:

   http://lwn.net/Articles/132804/
   http://ozlabs.org/pipermail/linuxppc-embedded/2005-August/019798.html
   http://ozlabs.org/pipermail/linuxppc-embedded/2005-August/019752.html

Signed-Off-By: Arthur Othieno <a.othieno at bluewin.ch>


 iomap.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+)


--- a/arch/ppc64/kernel/iomap.c	2005-08-20 19:23:12.000000000 -0400
+++ b/arch/ppc64/kernel/iomap.c	2005-08-20 21:35:42.000000000 -0400
@@ -22,13 +22,23 @@ unsigned int fastcall ioread16(void __io
 {
 	return readw(addr);
 }
+unsigned int fastcall ioread16be(void __iomem *addr)
+{
+	return __raw_readw(addr);
+}
 unsigned int fastcall ioread32(void __iomem *addr)
 {
 	return readl(addr);
 }
+unsigned int fastcall ioread32be(void __iomem *addr)
+{
+	return __raw_readl(addr);
+}
 EXPORT_SYMBOL(ioread8);
 EXPORT_SYMBOL(ioread16);
+EXPORT_SYMBOL(ioread16be);
 EXPORT_SYMBOL(ioread32);
+EXPORT_SYMBOL(ioread32be);
 
 void fastcall iowrite8(u8 val, void __iomem *addr)
 {
@@ -38,13 +48,23 @@ void fastcall iowrite16(u16 val, void __
 {
 	writew(val, addr);
 }
+void fastcall iowrite16be(u16 val, void __iomem *addr)
+{
+	__raw_writew(val, addr);
+}
 void fastcall iowrite32(u32 val, void __iomem *addr)
 {
 	writel(val, addr);
 }
+void fastcall iowrite32be(u32 val, void __iomem *addr)
+{
+	__raw_writel(val, addr);
+}
 EXPORT_SYMBOL(iowrite8);
 EXPORT_SYMBOL(iowrite16);
+EXPORT_SYMBOL(iowrite16be);
 EXPORT_SYMBOL(iowrite32);
+EXPORT_SYMBOL(iowrite32be);
 
 /*
  * These are the "repeat read/write" functions. Note the