Add a default ioremap function which was not provided in all circumstances. (Only when CONFIG_PCI was set).
I have designs to use them in scatterlist.c where they'd likely never be called without CONFIG_PCI set, but it is needed to compile. Thus, if the function is ever hit it returns NULL. Signed-off-by: Logan Gunthorpe <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Al Viro <[email protected]> --- Thanks to Al Viro for pointing out this corner case in s390. arch/s390/include/asm/io.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h index 437e9af..f4140d4 100644 --- a/arch/s390/include/asm/io.h +++ b/arch/s390/include/asm/io.h @@ -73,6 +73,17 @@ static inline void ioport_unmap(void __iomem *p) #define __raw_writel zpci_write_u32 #define __raw_writeq zpci_write_u64 +#else + +static inline void __iomem *ioremap(unsigned long offset, unsigned long size) +{ + return NULL; +} + +static inline void iounmap(void __iomem *addr) +{ +} + #endif /* CONFIG_PCI */ #include <asm-generic/io.h> -- 2.1.4
