[PATCH RFC 2/4] asm-generic/io.h: Add IO_SPACE_BASE
From: John Garry <hidden>
Date: 2021-01-15 17:05:11
Also in:
linux-arch, linux-mips, linux-pci, lkml
Subsystem:
generic include/asm header files, the rest · Maintainers:
Arnd Bergmann, Linus Torvalds
Add a fallback default for IO_SPACE_BASE (at 0) for when an architecture does not define a value. Signed-off-by: John Garry <redacted> --- include/asm-generic/io.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 9ea83d80eb6f..4d74a0c696ca 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h@@ -448,6 +448,10 @@ static inline void writesq(volatile void __iomem *addr, const void *buffer, #define IO_SPACE_LIMIT 0xffff #endif +#ifndef IO_SPACE_BASE +#define IO_SPACE_BASE 0x0 +#endif + /* * {in,out}{b,w,l}() access little endian I/O. {in,out}{b,w,l}_p() can be * implemented on hardware that needs an additional delay for I/O accesses to
--
2.26.2
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