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-rw-r--r--sys/compat/linuxkpi/common/include/linux/io.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/io.h b/sys/compat/linuxkpi/common/include/linux/io.h
index d2ebf7e328cf..0790e518a1a3 100644
--- a/sys/compat/linuxkpi/common/include/linux/io.h
+++ b/sys/compat/linuxkpi/common/include/linux/io.h
@@ -393,7 +393,11 @@ _outb(u_char data, u_int port)
#if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || defined(__aarch64__) || defined(__riscv)
void *_ioremap_attr(vm_paddr_t phys_addr, unsigned long size, int attr);
#else
-#define _ioremap_attr(...) NULL
+static __inline void *
+_ioremap_attr(vm_paddr_t _phys_addr, unsigned long _size, int _attr)
+{
+ return (NULL);
+}
#endif
#ifdef VM_MEMATTR_DEVICE