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-rw-r--r--arch/powerpc/include/asm/io.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 0732b743e0..5220274a62 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -950,7 +950,7 @@ extern void __iomem *__ioremap_caller(phys_addr_t, unsigned long size,
* almost all conceivable cases a device driver should not be using
* this function
*/
-static inline unsigned long virt_to_phys(volatile void * address)
+static inline unsigned long virt_to_phys(const volatile void * address)
{
WARN_ON(IS_ENABLED(CONFIG_DEBUG_VIRTUAL) && !virt_addr_valid(address));