DPRINTK("EXIT, err\n");
}
+
+static inline u8 ata_dev_knobble(struct ata_port *ap)
+{
+ return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(ap->device->id)));
+}
+
+/**
+ * ata_dev_config - Run device specific handlers and check for
+ * SATA->PATA bridges
+ * @ap: Bus
+ * @i: Device
+ *
+ * LOCKING:
+ */
+
+void ata_dev_config(struct ata_port *ap, unsigned int i)
+{
+ /* limit bridge transfers to udma5, 200 sectors */
+ if (ata_dev_knobble(ap)) {
+ 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->device->flags |= ATA_DFLAG_LOCK_SECTORS;
+ }
+
+ if (ap->ops->dev_config)
+ ap->ops->dev_config(ap, &ap->device[i]);
+}
+
/**
* ata_bus_probe - Reset and probe ATA bus
* @ap: Bus to probe
ata_dev_identify(ap, i);
if (ata_dev_present(&ap->device[i])) {
found = 1;
- if (ap->ops->dev_config)
- ap->ops->dev_config(ap, &ap->device[i]);
+ ata_dev_config(ap,i);
}
}
next_sg:
sg = &qc->sg[qc->cursg];
-next_page:
page = sg->page;
offset = sg->offset + qc->cursg_ofs;
page = nth_page(page, (offset >> PAGE_SHIFT));
offset %= PAGE_SIZE;
+ /* don't overrun current sg */
count = min(sg->length - qc->cursg_ofs, bytes);
/* don't cross page boundaries */
kunmap(page);
if (bytes) {
- if (qc->cursg_ofs < sg->length)
- goto next_page;
goto next_sg;
}
}
/**
* ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt.
- * @qc: Info associated with this ATA transaction.
+ * @ap: Port associated with this ATA transaction.
*
* Clear interrupt and error flags in DMA status register.
*
/**
* ata_bmdma_status - Read PCI IDE BMDMA status
- * @qc: Info associated with this ATA transaction.
+ * @ap: Port associated with this ATA transaction.
*
* Read and return BMDMA status register.
*
/**
* ata_bmdma_stop - Stop PCI IDE BMDMA transfer
- * @qc: Info associated with this ATA transaction.
+ * @ap: Port associated with this ATA transaction.
*
* Clears the ATA_DMA_START flag in the dma control register
*
dma_free_coherent(dev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma);
}
+void ata_host_stop (struct ata_host_set *host_set)
+{
+ if (host_set->mmio_base)
+ iounmap(host_set->mmio_base);
+}
+
+
/**
* ata_host_remove - Unregister SCSI host structure with upper layers
* @ap: Port to unregister
}
free_irq(host_set->irq, host_set);
- if (host_set->ops->host_stop)
- host_set->ops->host_stop(host_set);
- if (host_set->mmio_base)
- iounmap(host_set->mmio_base);
for (i = 0; i < host_set->n_ports; i++) {
ap = host_set->ports[i];
scsi_host_put(ap->host);
}
+ if (host_set->ops->host_stop)
+ host_set->ops->host_stop(host_set);
+
kfree(host_set);
pci_release_regions(pdev);
EXPORT_SYMBOL_GPL(ata_exec_command);
EXPORT_SYMBOL_GPL(ata_port_start);
EXPORT_SYMBOL_GPL(ata_port_stop);
+EXPORT_SYMBOL_GPL(ata_host_stop);
EXPORT_SYMBOL_GPL(ata_interrupt);
EXPORT_SYMBOL_GPL(ata_qc_prep);
EXPORT_SYMBOL_GPL(ata_bmdma_setup);
EXPORT_SYMBOL_GPL(ata_host_intr);
EXPORT_SYMBOL_GPL(ata_dev_classify);
EXPORT_SYMBOL_GPL(ata_dev_id_string);
+EXPORT_SYMBOL_GPL(ata_dev_config);
EXPORT_SYMBOL_GPL(ata_scsi_simulate);
#ifdef CONFIG_PCI