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asm-generic/io.h: give stub iounmap() on !MMU same prototype as elsewhere 

It made -Werror sad.

Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Adam Borowski 2021-09-12 23:26:06 +02:00 committed by Arnd Bergmann
parent 424953cf3c
commit 2fbc349911
1 changed files with 1 additions and 1 deletions
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include/asm-generic/io.h
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@ -957,7 +957,7 @@ 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