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| author | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 17:43:54 +0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 17:43:54 +0400 |
| commit | b160292cc216a50fd0cd386b0bda2cd48352c73b (patch) | |
| tree | ef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /include/linux/ide.h | |
| parent | b37bde147890c8fea8369a5a4e230dabdea4ebfb (diff) | |
| parent | bbf25010f1a6b761914430f5fca081ec8c7accd1 (diff) | |
| download | linux-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.xz | |
Merge Linux 2.6.23
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index c792b4fd1588..b9f66c10caa0 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1378,6 +1378,19 @@ static inline int ide_dev_has_iordy(struct hd_driveid *id) return ((id->field_valid & 2) && (id->capability & 8)) ? 1 : 0; } +static inline int ide_dev_is_sata(struct hd_driveid *id) +{ + /* + * See if word 93 is 0 AND drive is at least ATA-5 compatible + * verifying that word 80 by casting it to a signed type -- + * this trick allows us to filter out the reserved values of + * 0x0000 and 0xffff along with the earlier ATA revisions... + */ + if (id->hw_config == 0 && (short)id->major_rev_num >= 0x0020) + return 1; + return 0; +} + u8 ide_dump_status(ide_drive_t *, const char *, u8); typedef struct ide_pio_timings_s { |