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libata: ignore SIMG4726 config pseudo device

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I was hoping ATA_HORKAGE_NODMA | ATA_HORKAGE_SKIP_PM could keep it
happy but no even this doesn't work under certain configurations and
it's not like we can do anything useful with the cofig device anyway.
Replace ATA_HORKAGE_SKIP_PM with ATA_HORKAGE_DISABLE and use it for
the config device.  This makes the device completely ignored by
libata.

Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Tejun Heo 2008-05-19 01:15:14 +09:00 • committed by Jeff Garzik
commit 50af2fa1e1
3 changed files with 9 additions and 9 deletions
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10
drivers/ata/libata-core.c
View file

@ -2126,6 +2126,13 @@ int ata_dev_configure(struct ata_device *dev)
dev->horkage |= ata_dev_blacklisted(dev);
ata_force_horkage(dev);
if (dev->horkage & ATA_HORKAGE_DISABLE) {
ata_dev_printk(dev, KERN_INFO,
"unsupported device, disabling\n");
ata_dev_disable(dev);
return 0;
}
/* let ACPI work its magic */
rc = ata_acpi_on_devcfg(dev);
if (rc)
@ -3893,8 +3900,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "SAMSUNG CD-ROM SN-124", "N001", ATA_HORKAGE_NODMA },
{ "Seagate STT20000A", NULL, ATA_HORKAGE_NODMA },
/* Odd clown on sil3726/4726 PMPs */
{ "Config Disk", NULL, ATA_HORKAGE_NODMA |
ATA_HORKAGE_SKIP_PM },
{ "Config Disk", NULL, ATA_HORKAGE_DISABLE },
/* Weird ATAPI devices */
{ "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 },

6
drivers/ata/libata-scsi.c
View file

@ -1082,12 +1082,6 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc)
if (((cdb[4] >> 4) & 0xf) != 0)
goto invalid_fld; /* power conditions not supported */
if (qc->dev->horkage & ATA_HORKAGE_SKIP_PM) {
/* the device lacks PM support, finish without doing anything */
scmd->result = SAM_STAT_GOOD;
return 1;
}
if (cdb[4] & 0x1) {
tf->nsect = 1; /* 1 sector, lba=0 */