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| author | Andy Whitcroft <apw@canonical.com> | 2012-05-04 23:15:10 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-05-07 21:32:23 +0200 |
| commit | db63a4c8115a0bb904496e1cdd3e7488e68b0d06 (patch) | |
| tree | 326448b28bf8de7c6205ed9e598070111e8a5020 /drivers/ata | |
| parent | Linux 3.4-rc6 (diff) | |
| download | linux-db63a4c8115a0bb904496e1cdd3e7488e68b0d06.tar.xz linux-db63a4c8115a0bb904496e1cdd3e7488e68b0d06.zip | |
libata: add a host flag to ignore detected ATA devices
Where devices are visible via more than one host we sometimes wish to
indicate that cirtain devices should be ignored on a specific host. Add a
host flag indicating that this host wishes to ignore ATA specific devices.
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 23763a1ec570..d31ee557b395 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1973,6 +1973,12 @@ retry: if (class == ATA_DEV_ATA) { if (!ata_id_is_ata(id) && !ata_id_is_cfa(id)) goto err_out; + if (ap->host->flags & ATA_HOST_IGNORE_ATA && + ata_id_is_ata(id)) { + ata_dev_dbg(dev, + "host indicates ignore ATA devices, ignored\n"); + return -ENOENT; + } } else { if (ata_id_is_ata(id)) goto err_out; |