--- zzzz-none-000/linux-4.1.38/include/asm-generic/pci_iomap.h	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/include/asm-generic/pci_iomap.h	2020-11-25 10:06:48.000000000 +0000
@@ -29,7 +29,9 @@
 #endif
 
 #elif defined(CONFIG_GENERIC_PCI_IOMAP)
-static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
+static inline void __iomem *pci_iomap(struct pci_dev *dev __maybe_unused,
+				      int bar __maybe_unused,
+				      unsigned long max __maybe_unused)
 {
 	return NULL;
 }