libata: add whitelist for devices with known good pata-sata bridges

[linux-2.6-omap-h63xx.git] / drivers / ata / libata-core.c

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 8824c8da3f2f88abea82ab1de951313ef811bf76..82af7011f2ddd137e2a601ae95c704a4219ada9e 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2158,6 +2158,10 @@ retry:
 static inline u8 ata_dev_knobble(struct ata_device *dev)
 {
        struct ata_port *ap = dev->link->ap;
+
+       if (ata_dev_blacklisted(dev) & ATA_HORKAGE_BRIDGE_OK)
+               return 0;
+
        return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
 }
 
@@ -4062,6 +4066,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
        { "TSSTcorp CDDVDW SH-S202N", "SB00",     ATA_HORKAGE_IVB, },
        { "TSSTcorp CDDVDW SH-S202N", "SB01",     ATA_HORKAGE_IVB, },
 
+       /* Devices that do not need bridging limits applied */
+       { "MTRON MSP-SATA*",            NULL,   ATA_HORKAGE_BRIDGE_OK, },
+
        /* End Marker */
        { }
 };