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| author | Jeff Garzik | 2005-10-03 21:55:19 +0200 |
|---|---|---|
| committer | Jeff Garzik | 2005-10-03 21:55:19 +0200 |
| commit | 644dd0cc494702ecd0698f467de113ace9593888 (patch) | |
| tree | d49e781476dea85a4bfc1b05b6d15ed0a224a747 /drivers/scsi/libata-scsi.c | |
| parent | Merge branch 'upstream' from master.kernel.org:/pub/scm/linux/kernel/git/jgar... (diff) | |
| download | kernel-qcow2-linux-644dd0cc494702ecd0698f467de113ace9593888.tar.gz kernel-qcow2-linux-644dd0cc494702ecd0698f467de113ace9593888.tar.xz kernel-qcow2-linux-644dd0cc494702ecd0698f467de113ace9593888.zip | |
[libata] improve device scan
Replace SCSI's legacy "bang at the door" method of probing with one
directly controlled by the underlying ATA transport layer.
We now only call scsi_scan_target() for devices we find, rather than
probing every possible channel/id within a certain range.
Diffstat (limited to 'drivers/scsi/libata-scsi.c')
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 104fd9a63e73..4fc0134d4272 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -1678,3 +1678,15 @@ void ata_scsi_simulate(u16 *id, } } +void ata_scsi_scan_host(struct ata_port *ap) +{ + unsigned int i; + + if (ap->flags & ATA_FLAG_PORT_DISABLED) + return; + + for (i = 0; i < ATA_MAX_DEVICES; i++) + if (ata_dev_present(&ap->device[i])) + scsi_scan_target(&ap->host->shost_gendev, 0, i, ~0, 0); +} + |