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@@ -1186,6 +1186,37 @@ err_out:
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DPRINTK("EXIT, err\n");
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}
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+
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+static inline u8 ata_dev_knobble(struct ata_port *ap)
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+{
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+ return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(ap->device->id)));
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+}
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+
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+/**
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+ * ata_dev_config - Run device specific handlers and check for
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+ * SATA->PATA bridges
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+ * @ap: Bus
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+ * @i: Device
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+ *
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+ * LOCKING:
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+ */
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+
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+void ata_dev_config(struct ata_port *ap, unsigned int i)
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+{
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+ /* limit bridge transfers to udma5, 200 sectors */
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+ if (ata_dev_knobble(ap)) {
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+ printk(KERN_INFO "ata%u(%u): applying bridge limits\n",
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+ ap->id, ap->device->devno);
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+ ap->udma_mask &= ATA_UDMA5;
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+ ap->host->max_sectors = ATA_MAX_SECTORS;
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+ ap->host->hostt->max_sectors = ATA_MAX_SECTORS;
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+ ap->device->flags |= ATA_DFLAG_LOCK_SECTORS;
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+ }
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+
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+ if (ap->ops->dev_config)
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+ ap->ops->dev_config(ap, &ap->device[i]);
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+}
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+
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/**
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* ata_bus_probe - Reset and probe ATA bus
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* @ap: Bus to probe
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@@ -1208,8 +1239,7 @@ static int ata_bus_probe(struct ata_port *ap)
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ata_dev_identify(ap, i);
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if (ata_dev_present(&ap->device[i])) {
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found = 1;
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- if (ap->ops->dev_config)
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- ap->ops->dev_config(ap, &ap->device[i]);
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+ ata_dev_config(ap,i);
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}
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}
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@@ -4014,6 +4044,7 @@ EXPORT_SYMBOL_GPL(ata_scsi_release);
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EXPORT_SYMBOL_GPL(ata_host_intr);
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EXPORT_SYMBOL_GPL(ata_dev_classify);
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EXPORT_SYMBOL_GPL(ata_dev_id_string);
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+EXPORT_SYMBOL_GPL(ata_dev_config);
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EXPORT_SYMBOL_GPL(ata_scsi_simulate);
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#ifdef CONFIG_PCI
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