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sh: Provide stubbed I/O routines for NO_IOPORT case.

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Too many drivers fail at IOPORT vs IOMEM checking before blindly calling
in to the API, so we may as well just provide basic stubs to get more
build coverage. Other platforms already do this, too (tile, parisc, etc.)

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2012-05-10 13:07:55 +09:00
parent 15f99cbd07
commit c5e50fa90c
2 changed files with 46 additions and 0 deletions
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5
arch/sh/include/asm/io.h
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@@ -218,8 +218,13 @@ __BUILD_IOPORT_STRING(w, u16)
__BUILD_IOPORT_STRING(l, u32)
__BUILD_IOPORT_STRING(q, u64)
#else /* !CONFIG_HAS_IOPORT */
#include <asm/io_noioport.h>
#endif
#define IO_SPACE_LIMIT 0xffffffff
/* synco on SH-4A, otherwise a nop */