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| author | Takashi Iwai <tiwai@suse.de> | 2012-08-20 23:26:04 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-08-20 23:26:04 +0400 |
| commit | f0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch) | |
| tree | d4bfd9489cf4a96a55d83af20919f477a846d585 /include/linux/io.h | |
| parent | fa2f5bf09610d3c216d4c74855edbe00d636467c (diff) | |
| parent | 28c42c28309244d0b15d1b385e33429d59997679 (diff) | |
| download | linux-f0b433e9f362e0b7f0ce7d1489dd7feba068605d.tar.xz | |
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6
A batch more bugfixes, all driver-specific and fairly small and
unremarkable in a global context. The biggest batch are for the newly
added Arizona drivers.
Diffstat (limited to 'include/linux/io.h')
| -rw-r--r-- | include/linux/io.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/io.h b/include/linux/io.h index 7fd2d2138bf3..069e4075f872 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -67,4 +67,13 @@ int check_signature(const volatile void __iomem *io_addr, const unsigned char *signature, int length); void devm_ioremap_release(struct device *dev, void *res); +/* + * Some systems do not have legacy ISA devices. + * /dev/port is not a valid interface on these systems. + * So for those archs, <asm/io.h> should define the following symbol. + */ +#ifndef arch_has_dev_port +#define arch_has_dev_port() (1) +#endif + #endif /* _LINUX_IO_H */ |