libata: make reset related methods proper port operations
[safe/jmp/linux-2.6] / drivers / ata / sata_via.c
index 3ef072f..402fd73 100644 (file)
@@ -30,8 +30,6 @@
  *  Hardware documentation available under NDA.
  *
  *
- *  To-do list:
- *  - VT6421 PATA support
  *
  */
 
@@ -73,7 +71,7 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
 static int svia_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val);
 static int svia_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val);
 static void svia_noop_freeze(struct ata_port *ap);
-static void vt6420_error_handler(struct ata_port *ap);
+static int vt6420_prereset(struct ata_link *link, unsigned long deadline);
 static int vt6421_pata_cable_detect(struct ata_port *ap);
 static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev);
 static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev);
@@ -102,110 +100,26 @@ static struct pci_driver svia_pci_driver = {
 };
 
 static struct scsi_host_template svia_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,
+       ATA_BMDMA_SHT(DRV_NAME),
 };
 
-static const struct ata_port_operations vt6420_sata_ops = {
-       .tf_load                = ata_tf_load,
-       .tf_read                = ata_tf_read,
-       .check_status           = ata_check_status,
-       .exec_command           = ata_exec_command,
-       .dev_select             = ata_std_dev_select,
-
-       .bmdma_setup            = ata_bmdma_setup,
-       .bmdma_start            = ata_bmdma_start,
-       .bmdma_stop             = ata_bmdma_stop,
-       .bmdma_status           = ata_bmdma_status,
-
-       .qc_prep                = ata_qc_prep,
-       .qc_issue               = ata_qc_issue_prot,
-       .data_xfer              = ata_data_xfer,
-
+static struct ata_port_operations vt6420_sata_ops = {
+       .inherits               = &ata_bmdma_port_ops,
        .freeze                 = svia_noop_freeze,
-       .thaw                   = ata_bmdma_thaw,
-       .error_handler          = vt6420_error_handler,
-       .post_internal_cmd      = ata_bmdma_post_internal_cmd,
-
-       .irq_clear              = ata_bmdma_irq_clear,
-       .irq_on                 = ata_irq_on,
-
-       .port_start             = ata_port_start,
+       .prereset               = vt6420_prereset,
 };
 
-static const struct ata_port_operations vt6421_pata_ops = {
+static struct ata_port_operations vt6421_pata_ops = {
+       .inherits               = &ata_bmdma_port_ops,
+       .cable_detect           = vt6421_pata_cable_detect,
        .set_piomode            = vt6421_set_pio_mode,
        .set_dmamode            = vt6421_set_dma_mode,
-
-       .tf_load                = ata_tf_load,
-       .tf_read                = ata_tf_read,
-       .check_status           = ata_check_status,
-       .exec_command           = ata_exec_command,
-       .dev_select             = ata_std_dev_select,
-
-       .bmdma_setup            = ata_bmdma_setup,
-       .bmdma_start            = ata_bmdma_start,
-       .bmdma_stop             = ata_bmdma_stop,
-       .bmdma_status           = ata_bmdma_status,
-
-       .qc_prep                = ata_qc_prep,
-       .qc_issue               = ata_qc_issue_prot,
-       .data_xfer              = ata_data_xfer,
-
-       .freeze                 = ata_bmdma_freeze,
-       .thaw                   = ata_bmdma_thaw,
-       .error_handler          = ata_bmdma_error_handler,
-       .post_internal_cmd      = ata_bmdma_post_internal_cmd,
-       .cable_detect           = vt6421_pata_cable_detect,
-
-       .irq_clear              = ata_bmdma_irq_clear,
-       .irq_on                 = ata_irq_on,
-
-       .port_start             = ata_port_start,
 };
 
-static const struct ata_port_operations vt6421_sata_ops = {
-       .tf_load                = ata_tf_load,
-       .tf_read                = ata_tf_read,
-       .check_status           = ata_check_status,
-       .exec_command           = ata_exec_command,
-       .dev_select             = ata_std_dev_select,
-
-       .bmdma_setup            = ata_bmdma_setup,
-       .bmdma_start            = ata_bmdma_start,
-       .bmdma_stop             = ata_bmdma_stop,
-       .bmdma_status           = ata_bmdma_status,
-
-       .qc_prep                = ata_qc_prep,
-       .qc_issue               = ata_qc_issue_prot,
-       .data_xfer              = ata_data_xfer,
-
-       .freeze                 = ata_bmdma_freeze,
-       .thaw                   = ata_bmdma_thaw,
-       .error_handler          = ata_bmdma_error_handler,
-       .post_internal_cmd      = ata_bmdma_post_internal_cmd,
-       .cable_detect           = ata_cable_sata,
-
-       .irq_clear              = ata_bmdma_irq_clear,
-       .irq_on                 = ata_irq_on,
-
+static struct ata_port_operations vt6421_sata_ops = {
+       .inherits               = &ata_bmdma_port_ops,
        .scr_read               = svia_scr_read,
        .scr_write              = svia_scr_write,
-
-       .port_start             = ata_port_start,
 };
 
 static const struct ata_port_info vt6420_port_info = {
@@ -322,7 +236,7 @@ static int vt6420_prereset(struct ata_link *link, unsigned long deadline)
 
        if (!online) {
                /* tell EH to bail */
-               ehc->i.action &= ~ATA_EH_RESET_MASK;
+               ehc->i.action &= ~ATA_EH_RESET;
                return 0;
        }
 
@@ -333,12 +247,6 @@ static int vt6420_prereset(struct ata_link *link, unsigned long deadline)
        return 0;
 }
 
-static void vt6420_error_handler(struct ata_port *ap)
-{
-       return ata_bmdma_drive_eh(ap, vt6420_prereset, ata_std_softreset,
-                                 NULL, ata_std_postreset);
-}
-
 static int vt6421_pata_cable_detect(struct ata_port *ap)
 {
        struct pci_dev *pdev = to_pci_dev(ap->host->dev);