This should fix the build for kernels that don't have IOMMU_CACHE,
IOMMU_CAP_CACHE_COHERENCY or iommu_domain_has_cap defined.
Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx>
---
external-module-compat-comm.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/external-module-compat-comm.h b/external-module-compat-comm.h
index f6975e0..adf45c5 100644
--- a/external-module-compat-comm.h
+++ b/external-module-compat-comm.h
@@ -791,3 +793,16 @@ static inline struct page *compound_head(struct page *page)
}
#endif
+
+#include <linux/iommu.h>
+#ifndef IOMMU_CACHE
+
+#define IOMMU_CACHE (4)
+#define IOMMU_CAP_CACHE_COHERENCY 0x1
+static inline int iommu_domain_has_cap(struct iommu_domain *domain,
+ unsigned long cap)
+{
+ return 0;
+}
+
+#endif
--
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