diff options
Diffstat (limited to 'arch/sh/include/asm/io_generic.h')
| -rw-r--r-- | arch/sh/include/asm/io_generic.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/include/asm/io_generic.h b/arch/sh/include/asm/io_generic.h new file mode 100644 index 000000000..87ec38f4e --- /dev/null +++ b/arch/sh/include/asm/io_generic.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Trivial I/O routine definitions, intentionally meant to be included + * multiple times. Ugly I/O routine concatenation helpers taken from + * alpha. Must be included _before_ io.h to avoid preprocessor-induced + * routine mismatch. + */ +#define IO_CONCAT(a,b) _IO_CONCAT(a,b) +#define _IO_CONCAT(a,b) a ## _ ## b + +#ifndef __IO_PREFIX +#error "Don't include this header without a valid system prefix" +#endif + +void __iomem *IO_CONCAT(__IO_PREFIX,ioport_map)(unsigned long addr, unsigned int size); +void IO_CONCAT(__IO_PREFIX,ioport_unmap)(void __iomem *addr); +void IO_CONCAT(__IO_PREFIX,mem_init)(void); + +#undef __IO_PREFIX |