ata_dev_knobble() unconditionally used the first device of the port to
determine whether a device is bridged or not. This causes bridge
limit to be incorrectly applied or unapplied for hosts with slave
devices (e.g. ata_piix).
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
-static inline u8 ata_dev_knobble(const struct ata_port *ap)
+static inline u8 ata_dev_knobble(const struct ata_port *ap,
+ struct ata_device *dev)
- return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(ap->device->id)));
+ return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
void ata_dev_config(struct ata_port *ap, unsigned int i)
{
/* limit bridge transfers to udma5, 200 sectors */
void ata_dev_config(struct ata_port *ap, unsigned int i)
{
/* limit bridge transfers to udma5, 200 sectors */
- if (ata_dev_knobble(ap)) {
+ if (ata_dev_knobble(ap, &ap->device[i])) {
printk(KERN_INFO "ata%u(%u): applying bridge limits\n",
printk(KERN_INFO "ata%u(%u): applying bridge limits\n",
- ap->id, ap->device->devno);
ap->udma_mask &= ATA_UDMA5;
ap->host->max_sectors = ATA_MAX_SECTORS;
ap->host->hostt->max_sectors = ATA_MAX_SECTORS;
ap->udma_mask &= ATA_UDMA5;
ap->host->max_sectors = ATA_MAX_SECTORS;
ap->host->hostt->max_sectors = ATA_MAX_SECTORS;