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-rw-r--r--arch/arm/xen/mm.c12
-rw-r--r--include/xen/arm/swiotlb-xen.h15
2 files changed, 14 insertions, 13 deletions
diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c
index f8f07469d259..223b1151fd7d 100644
--- a/arch/arm/xen/mm.c
+++ b/arch/arm/xen/mm.c
@@ -135,18 +135,6 @@ void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order)
return;
}
-int xen_swiotlb_detect(void)
-{
- if (!xen_domain())
- return 0;
- if (xen_feature(XENFEAT_direct_mapped))
- return 1;
- /* legacy case */
- if (!xen_feature(XENFEAT_not_direct_mapped) && xen_initial_domain())
- return 1;
- return 0;
-}
-
static int __init xen_mm_init(void)
{
struct gnttab_cache_flush cflush;
diff --git a/include/xen/arm/swiotlb-xen.h b/include/xen/arm/swiotlb-xen.h
index 2994fe6031a0..33336ab58afc 100644
--- a/include/xen/arm/swiotlb-xen.h
+++ b/include/xen/arm/swiotlb-xen.h
@@ -2,6 +2,19 @@
#ifndef _ASM_ARM_SWIOTLB_XEN_H
#define _ASM_ARM_SWIOTLB_XEN_H
-extern int xen_swiotlb_detect(void);
+#include <xen/features.h>
+#include <xen/xen.h>
+
+static inline int xen_swiotlb_detect(void)
+{
+ if (!xen_domain())
+ return 0;
+ if (xen_feature(XENFEAT_direct_mapped))
+ return 1;
+ /* legacy case */
+ if (!xen_feature(XENFEAT_not_direct_mapped) && xen_initial_domain())
+ return 1;
+ return 0;
+}
#endif /* _ASM_ARM_SWIOTLB_XEN_H */