-static struct scsi_host_template via_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .ioctl = ata_scsi_ioctl,
- .queuecommand = ata_scsi_queuecmd,
- .can_queue = ATA_DEF_QUEUE,
- .this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
- .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
- .emulated = ATA_SHT_EMULATED,
- .use_clustering = ATA_SHT_USE_CLUSTERING,
- .proc_name = DRV_NAME,
- .dma_boundary = ATA_DMA_BOUNDARY,
- .slave_configure = ata_scsi_slave_config,
- .slave_destroy = ata_scsi_slave_destroy,
- .bios_param = ata_std_bios_param,
- .resume = ata_scsi_device_resume,
- .suspend = ata_scsi_device_suspend,
-};
-
-static struct ata_port_operations via_port_ops = {
- .port_disable = ata_port_disable,
- .set_piomode = via_set_piomode,
- .set_dmamode = via_set_dmamode,
- .mode_filter = ata_pci_default_filter,
+/**
+ * via_tf_load - send taskfile registers to host controller
+ * @ap: Port to which output is sent
+ * @tf: ATA taskfile register set
+ *
+ * Outputs ATA taskfile to standard ATA host controller.
+ *
+ * Note: This is to fix the internal bug of via chipsets, which
+ * will reset the device register after changing the IEN bit on
+ * ctl register
+ */
+static void via_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
+{
+ struct ata_ioports *ioaddr = &ap->ioaddr;
+ struct via_port *vp = ap->private_data;
+ unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
+ int newctl = 0;
+
+ if (tf->ctl != ap->last_ctl) {
+ iowrite8(tf->ctl, ioaddr->ctl_addr);
+ ap->last_ctl = tf->ctl;
+ ata_wait_idle(ap);
+ newctl = 1;
+ }