diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-09-11 14:47:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-09-11 14:47:23 -0700 |
| commit | 6e21ce9d816b9ecc2349ad652fee9c6f28c43877 (patch) | |
| tree | a598c00d6f9615e99673d348de93b3d31adf4911 /include/linux | |
| parent | 01a6a7790e8e466584fc845f3cfc1770ffa1fee5 (diff) | |
| parent | 56fe23d5a702a39ee3bb29a04b55db292479d07a (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6:
pdc202xx_new: PLL detection fix
via82cxxx: add Arima W730-K8 and other rebadgings to short cables list
pmac: build fix
pata_ali/alim15x3: override 80-wire cable detection for Toshiba S1800-814
hpt366: UltraDMA filter for SATA cards (take 2)
ide: add ide_dev_is_sata() helper (take 2)
hpt366: fix PCI clock detection for HPT374 (take 4)
pdc202xx_new: fix PCI refcounting
ide: fix PCI refcounting
mpc8xx: Only build mpc8xx on arch/ppc
Diffstat (limited to 'include/linux')
| -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 c792b4fd158..b9f66c10caa 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 { |