aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-davinci/io.c
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-05-23 15:57:31 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-05-23 15:57:31 -0400
commita2ab67fae1ab9226679495a8d260f4e6555efc5f (patch)
treef7de683c9c8ff0869a7e11f1d40802145d05f5b4 /arch/arm/mach-davinci/io.c
parent6d0485a99366d4e0e7e725f14995c74cb7ca4499 (diff)
parent135cad366b4e7d6a79f6369f6cb5b721985aa62f (diff)
Merge branch 'for-rmk-devel' of git://git.pengutronix.de/git/imx/linux-2.6 into devel
Conflicts: arch/arm/Kconfig arch/arm/Makefile
Diffstat (limited to 'arch/arm/mach-davinci/io.c')
-rw-r--r--arch/arm/mach-davinci/io.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/mach-davinci/io.c b/arch/arm/mach-davinci/io.c
index 299515f70b8b..a548abb513e2 100644
--- a/arch/arm/mach-davinci/io.c
+++ b/arch/arm/mach-davinci/io.c
@@ -51,7 +51,26 @@ void __init davinci_map_common_io(void)
51 davinci_check_revision(); 51 davinci_check_revision();
52} 52}
53 53
54void __init davinci_init_common_hw(void) 54#define BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz)))
55#define XLATE(p, pst, vst) ((void __iomem *)((p) - (pst) + (vst)))
56
57/*
58 * Intercept ioremap() requests for addresses in our fixed mapping regions.
59 */
60void __iomem *davinci_ioremap(unsigned long p, size_t size, unsigned int type)
61{
62 if (BETWEEN(p, IO_PHYS, IO_SIZE))
63 return XLATE(p, IO_PHYS, IO_VIRT);
64
65 return __arm_ioremap(p, size, type);
66}
67EXPORT_SYMBOL(davinci_ioremap);
68
69void davinci_iounmap(volatile void __iomem *addr)
55{ 70{
56 davinci_clk_init(); 71 unsigned long virt = (unsigned long)addr;
72
73 if (virt >= VMALLOC_START && virt < VMALLOC_END)
74 __iounmap(addr);
57} 75}
76EXPORT_SYMBOL(davinci_iounmap);