diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-08 11:51:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-08 11:51:01 -0700 |
| commit | 1b11d78cf87a7014f96e5b7fa2e1233cc8081a00 (patch) | |
| tree | cd885281545be78512dddc44fb8f9b76771d0186 /drivers/scsi/ata_piix.c | |
| parent | 8920e8f94c44e31a73bdf923b04721e26e88cadd (diff) | |
| parent | 6a690df5c8b37d4a1c41df40770d42d44fac0e97 (diff) | |
Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
Diffstat (limited to 'drivers/scsi/ata_piix.c')
| -rw-r--r-- | drivers/scsi/ata_piix.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c index deec0cef88d9..5f8688529041 100644 --- a/drivers/scsi/ata_piix.c +++ b/drivers/scsi/ata_piix.c @@ -68,8 +68,8 @@ enum { PIIX_COMB_PATA_P0 = (1 << 1), PIIX_COMB = (1 << 2), /* combined mode enabled? */ - PIIX_PORT_PRESENT = (1 << 0), - PIIX_PORT_ENABLED = (1 << 4), + PIIX_PORT_ENABLED = (1 << 0), + PIIX_PORT_PRESENT = (1 << 4), PIIX_80C_PRI = (1 << 5) | (1 << 4), PIIX_80C_SEC = (1 << 7) | (1 << 6), @@ -377,7 +377,9 @@ static void piix_pata_phy_reset(struct ata_port *ap) * None (inherited from caller). * * RETURNS: - * Non-zero if device detected, zero otherwise. + * Non-zero if port is enabled, it may or may not have a device + * attached in that case (PRESENT bit would only be set if BIOS probe + * was done). Zero is returned if port is disabled. */ static int piix_sata_probe (struct ata_port *ap) { @@ -401,7 +403,7 @@ static int piix_sata_probe (struct ata_port *ap) */ for (i = 0; i < 4; i++) { - mask = (PIIX_PORT_PRESENT << i) | (PIIX_PORT_ENABLED << i); + mask = (PIIX_PORT_ENABLED << i); if ((orig_mask & mask) == mask) if (combined || (i == ap->hard_port_no)) |