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-rw-r--r--arch/ppc64/kernel/bpa_iommu.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/ppc64/kernel/bpa_iommu.c b/arch/ppc64/kernel/bpa_iommu.c
index f33a7bccb0d..507eb9d0223 100644
--- a/arch/ppc64/kernel/bpa_iommu.c
+++ b/arch/ppc64/kernel/bpa_iommu.c
@@ -99,7 +99,11 @@ get_iost_entry(unsigned long iopt_base, unsigned long io_address, unsigned page_
break;
default: /* not a known compile time constant */
- BUILD_BUG_ON(1);
+ {
+ /* BUILD_BUG_ON() is not usable here */
+ extern void __get_iost_entry_bad_page_size(void);
+ __get_iost_entry_bad_page_size();
+ }
break;
}