Align iounmap() signature with other architectures.
This fixes the following build error on CONFIG_RUST enabled:
In file included from /home/fujita/git/linux-rust/rust/helpers/helpers.c:19:
/home/fujita/git/linux-rust/rust/helpers/io.c:12:10: error: passing 'volatile
void *' to parameter of type 'void *' discards qualifiers
[-Werror,-Wincompatible-pointer-types-discards-qualifiers]
12 | iounmap(addr);
| ^~~~
/home/fujita/git/linux-rust/arch/um/include/asm/io.h:19:42: note: passing
argument to parameter 'addr' here
19 | static inline void iounmap(void __iomem *addr)
| ^
1 error generated.
Fixes: ce30d94e6855 ("rust: add `io::{Io, IoRaw}` base types")
Signed-off-by: FUJITA Tomonori <fujita.tomon...@gmail.com>
---
arch/um/include/asm/io.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/um/include/asm/io.h b/arch/um/include/asm/io.h
index 9ea42cc746d9..ce0e8cf4834d 100644
--- a/arch/um/include/asm/io.h
+++ b/arch/um/include/asm/io.h
@@ -16,7 +16,7 @@ static inline void __iomem *ioremap(phys_addr_t offset,
size_t size)
#ifndef iounmap
#define iounmap iounmap
-static inline void iounmap(void __iomem *addr)
+static inline void iounmap(volatile void __iomem *addr)
{
}
#endif /* iounmap */
base-commit: c59026c0570a2a97ce2e7d5ae5e9c48fc841542b
--
2.43.0
