Merge pobox.com:/spare/repo/linux-2.6

into pobox.com:/spare/repo/libata-2.6

3 files changed, 81 insertions, 0 deletions

diff --git a/include/asm-i386/linkage.h b/include/asm-i386/linkage.h
index e48009fd93c7..af3d8571c5c7 100644
--- a/include/asm-i386/linkage.h
+++ b/include/asm-i386/linkage.h
@@ -5,6 +5,10 @@
 #define FASTCALL(x)	x __attribute__((regparm(3)))
 #define fastcall	__attribute__((regparm(3)))
 
+#ifdef CONFIG_REGPARM
+# define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret))
+#endif
+
 #ifdef CONFIG_X86_ALIGNMENT_16
 #define __ALIGN .align 16,0x90
 #define __ALIGN_STR ".align 16,0x90"
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 748856f5955a..5abdd426b04f 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -398,6 +398,79 @@ static inline int isa_check_signature(unsigned long io_addr,
 	return 0;
 }
 
+/*
+ * Here comes the ppc implementation of the IOMAP 
+ * interfaces.
+ */
+static inline unsigned int ioread8(void __iomem *addr)
+{
+	return readb(addr);
+}
+
+static inline unsigned int ioread16(void __iomem *addr)
+{
+	return readw(addr);
+}
+
+static inline unsigned int ioread32(void __iomem *addr)
+{
+	return readl(addr);
+}
+
+static inline void iowrite8(u8 val, void __iomem *addr)
+{
+	writeb(val, addr);
+}
+
+static inline void iowrite16(u16 val, void __iomem *addr)
+{
+	writew(val, addr);
+}
+
+static inline void iowrite32(u32 val, void __iomem *addr)
+{
+	writel(val, addr);
+}
+
+static inline void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
+{
+	_insb((u8 __force *) addr, dst, count);
+}
+
+static inline void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
+{
+	_insw_ns((u16 __force *) addr, dst, count);
+}
+
+static inline void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
+{
+	_insl_ns((u32 __force *) addr, dst, count);
+}
+
+static inline void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
+{
+	_outsb((u8 __force *) addr, src, count);
+}
+
+static inline void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
+{
+	_outsw_ns((u16 __force *) addr, src, count);
+}
+
+static inline void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
+{
+	_outsl_ns((u32 __force *) addr, src, count);
+}
+
+/* Create a virtual mapping cookie for an IO port range */
+extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
+extern void ioport_unmap(void __iomem *);
+
+/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
+struct pci_dev;
+extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
+extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+
 #endif /* _PPC_IO_H */
 
 #ifdef CONFIG_8260_PCI9
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 09955c0ce848..338f7795d8a0 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -14,6 +14,10 @@
 #define asmlinkage CPP_ASMLINKAGE
 #endif
 
+#ifndef prevent_tail_call
+# define prevent_tail_call(ret) do { } while (0)
+#endif
+
 #ifndef __ALIGN
 #define __ALIGN		.align 4,0x90
 #define __ALIGN_STR	".align 4,0x90"