diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c
index cbb99c8f1e04368f0da27e11868df06b5cfdea70..01e88c8bcab0fd4aa96409fe751745141737cb39 100644
--- a/arch/arm64/mm/ioremap.c
+++ b/arch/arm64/mm/ioremap.c
@@ -62,6 +62,7 @@ static void __iomem *__ioremap_caller(phys_addr_t phys_addr, size_t size,
 	if (!area)
 		return NULL;
 	addr = (unsigned long)area->addr;
+	area->phys_addr = phys_addr;
 
 	err = ioremap_page_range(addr, addr + size, phys_addr, prot);
 	if (err) {