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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-01-21 17:46:16 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-01-21 17:46:16 +0900
commit69485d3e6d6839b46a56c77d2dffad18cb7d373f (patch)
tree20e9de1d5fd9f6617b05e759f9326eaffaf743ee /arch/mips/mm/ioremap.c
parentf2a93e2a4c048dfb5c7ee3f159a4a1d1cb61b4b5 (diff)
parent7881fd0fb3ecc9e367ba998a4de533e7eecbdfeb (diff)
Merge remote-tracking branch 'asoc/fix/adsp' into asoc-adsp
Diffstat (limited to 'arch/mips/mm/ioremap.c')
-rw-r--r--arch/mips/mm/ioremap.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index cacfd31e8ec..7657fd21cd3 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -190,3 +190,9 @@ void __iounmap(const volatile void __iomem *addr)
EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(__iounmap);
+
+int __virt_addr_valid(const volatile void *kaddr)
+{
+ return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
+}
+EXPORT_SYMBOL_GPL(__virt_addr_valid);