Merge branch 'for-linus' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm

* 'for-linus' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (81 commits)
  ARM: 7133/1: SMP: fix per cpu timer setup before the cpu is marked online
  ARM: 7129/1: Add __arm_ioremap_exec for mapping external memory as MT_MEMORY
  ARM: 7136/1: pl330: Fix a race condition
  ARM: smp: fix clipping of number of CPUs
  ARM: 7137/1: Fix error upon adding LL debug
  ARM: Add a few machine types to mach-types
  ARM: 7130/1: dev_archdata: add private iommu extension
  ARM: 7125/1: Add unwinding annotations for 64bit division functions
  ARM: 7120/1: remove bashism in check for multiple zreladdrs
  ARM: 7118/1: rename temp variable in read*_relaxed()
  ARM: 6217/4: mach-realview: expose PB1176 ROM using physmap and map_rom
  ARM: 7098/1: kdump: copy kernel relocation code at the kexec prepare stage
  ARM: 7062/1: cache: detect PIPT I-cache using CTR
  ARM: platform fixups: remove mdesc argument to fixup function
  ARM: 7017/1: Use generic BUG() handler
  ARM: 7102/1: mach-integrator: update defconfig
  ARM: 7087/2: mach-integrator: get timer frequency from clock
  ARM: 7086/2: mach-integrator: modernize clock event registration
  ARM: 7085/2: mach-integrator: clockevent supports oneshot mode
  ARM: 7084/1: mach-integrator: retire some timer macros
  ...

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index ab506272b2d..bdb248c4f55 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -289,6 +289,27 @@ __arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
 }
 EXPORT_SYMBOL(__arm_ioremap);
 
+/*
+ * Remap an arbitrary physical address space into the kernel virtual
+ * address space as memory. Needed when the kernel wants to execute
+ * code in external memory. This is needed for reprogramming source
+ * clocks that would affect normal memory for example. Please see
+ * CONFIG_GENERIC_ALLOCATOR for allocating external memory.
+ */
+void __iomem *
+__arm_ioremap_exec(unsigned long phys_addr, size_t size, bool cached)
+{
+	unsigned int mtype;
+
+	if (cached)
+		mtype = MT_MEMORY;
+	else
+		mtype = MT_MEMORY_NONCACHED;
+
+	return __arm_ioremap_caller(phys_addr, size, mtype,
+			__builtin_return_address(0));
+}
+
 void __iounmap(volatile void __iomem *io_addr)
 {
 	void *addr = (void *)(PAGE_MASK & (unsigned long)io_addr);