From cd7bcf32d42b15891620b3f1387a00178b54291a Mon Sep 17 00:00:00 2001 From: "Luck, Tony" Date: Mon, 14 Dec 2009 20:00:36 +0000 Subject: [PATCH] implement early_io{re,un}map for ia64 Needed for commit 2c992208 ("intel-iommu: Detect DMAR in hyperspace at probe time.) to build on IA64. Signed-off-by: Tony Luck Signed-off-by: David Woodhouse --- arch/ia64/include/asm/io.h | 2 ++ arch/ia64/mm/ioremap.c | 11 +++++++++++ 2 files changed, 13 insertions(+) diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h index 0d9d16e2d949..cc8335eb3110 100644 --- a/arch/ia64/include/asm/io.h +++ b/arch/ia64/include/asm/io.h @@ -424,6 +424,8 @@ __writeq (unsigned long val, volatile void __iomem *addr) extern void __iomem * ioremap(unsigned long offset, unsigned long size); extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size); extern void iounmap (volatile void __iomem *addr); +extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size); +extern void early_iounmap (volatile void __iomem *addr, unsigned long size); /* * String version of IO memory access ops: diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c index 2a140627dfd6..3dccdd8eb275 100644 --- a/arch/ia64/mm/ioremap.c +++ b/arch/ia64/mm/ioremap.c @@ -21,6 +21,12 @@ __ioremap (unsigned long phys_addr) return (void __iomem *) (__IA64_UNCACHED_OFFSET | phys_addr); } +void __iomem * +early_ioremap (unsigned long phys_addr, unsigned long size) +{ + return __ioremap(phys_addr); +} + void __iomem * ioremap (unsigned long phys_addr, unsigned long size) { @@ -101,6 +107,11 @@ ioremap_nocache (unsigned long phys_addr, unsigned long size) } EXPORT_SYMBOL(ioremap_nocache); +void +early_iounmap (volatile void __iomem *addr, unsigned long size) +{ +} + void iounmap (volatile void __iomem *addr) {