Patchwork [2/5] um: Serve io_remap_pfn_range()

login
register
mail settings
Submitter Richard Weinberger
Date Feb. 7, 2012, 12:22 a.m.
Message ID <1328574170-2286-2-git-send-email-richard@nod.at>
Download mbox | patch
Permalink /patch/139844/
State New
Headers show

Comments

Richard Weinberger - Feb. 7, 2012, 12:22 a.m.
At some places io_remap_pfn_range() is needed.
UML has to serve it like all other archs do.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
 arch/um/include/asm/pgtable.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

Patch

diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 41474fb..6a3f984 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -69,6 +69,8 @@  extern unsigned long end_iomem;
 #define PAGE_KERNEL	__pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED)
 #define PAGE_KERNEL_EXEC	__pgprot(__PAGE_KERNEL_EXEC)
 
+#define io_remap_pfn_range	remap_pfn_range
+
 /*
  * The i386 can't do page protection for execute, and considers that the same
  * are read.