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path: root/drivers/ata/pdc_adma.c
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Diffstat (limited to 'drivers/ata/pdc_adma.c')
-rw-r--r--drivers/ata/pdc_adma.c80
1 files changed, 14 insertions, 66 deletions
diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index 8e1b7e9c0ae4..be53545c9f64 100644
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -131,56 +131,33 @@ struct adma_port_priv {
static int adma_ata_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent);
static int adma_port_start(struct ata_port *ap);
-static void adma_host_stop(struct ata_host *host);
static void adma_port_stop(struct ata_port *ap);
static void adma_qc_prep(struct ata_queued_cmd *qc);
static unsigned int adma_qc_issue(struct ata_queued_cmd *qc);
static int adma_check_atapi_dma(struct ata_queued_cmd *qc);
-static void adma_bmdma_stop(struct ata_queued_cmd *qc);
-static u8 adma_bmdma_status(struct ata_port *ap);
-static void adma_irq_clear(struct ata_port *ap);
static void adma_freeze(struct ata_port *ap);
static void adma_thaw(struct ata_port *ap);
-static void adma_error_handler(struct ata_port *ap);
+static int adma_prereset(struct ata_link *link, unsigned long deadline);
static struct scsi_host_template adma_ata_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .ioctl = ata_scsi_ioctl,
- .queuecommand = ata_scsi_queuecmd,
- .slave_configure = ata_scsi_slave_config,
- .slave_destroy = ata_scsi_slave_destroy,
- .bios_param = ata_std_bios_param,
- .proc_name = DRV_NAME,
- .can_queue = ATA_DEF_QUEUE,
- .this_id = ATA_SHT_THIS_ID,
+ ATA_BASE_SHT(DRV_NAME),
.sg_tablesize = LIBATA_MAX_PRD,
.dma_boundary = ADMA_DMA_BOUNDARY,
- .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
- .use_clustering = ENABLE_CLUSTERING,
- .emulated = ATA_SHT_EMULATED,
};
-static const struct ata_port_operations adma_ata_ops = {
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .exec_command = ata_exec_command,
- .check_status = ata_check_status,
- .dev_select = ata_std_dev_select,
+static struct ata_port_operations adma_ata_ops = {
+ .inherits = &ata_sff_port_ops,
+
.check_atapi_dma = adma_check_atapi_dma,
- .data_xfer = ata_data_xfer,
.qc_prep = adma_qc_prep,
.qc_issue = adma_qc_issue,
+
.freeze = adma_freeze,
.thaw = adma_thaw,
- .error_handler = adma_error_handler,
- .irq_clear = adma_irq_clear,
- .irq_on = ata_irq_on,
+ .prereset = adma_prereset,
+
.port_start = adma_port_start,
.port_stop = adma_port_stop,
- .host_stop = adma_host_stop,
- .bmdma_stop = adma_bmdma_stop,
- .bmdma_status = adma_bmdma_status,
};
static struct ata_port_info adma_port_info[] = {
@@ -213,21 +190,6 @@ static int adma_check_atapi_dma(struct ata_queued_cmd *qc)
return 1; /* ATAPI DMA not yet supported */
}
-static void adma_bmdma_stop(struct ata_queued_cmd *qc)
-{
- /* nothing */
-}
-
-static u8 adma_bmdma_status(struct ata_port *ap)
-{
- return 0;
-}
-
-static void adma_irq_clear(struct ata_port *ap)
-{
- /* nothing */
-}
-
static void adma_reset_engine(struct ata_port *ap)
{
void __iomem *chan = ADMA_PORT_REGS(ap);
@@ -246,7 +208,7 @@ static void adma_reinit_engine(struct ata_port *ap)
/* mask/clear ATA interrupts */
writeb(ATA_NIEN, ap->ioaddr.ctl_addr);
- ata_check_status(ap);
+ ata_sff_check_status(ap);
/* reset the ADMA engine */
adma_reset_engine(ap);
@@ -281,7 +243,7 @@ static void adma_freeze(struct ata_port *ap)
/* mask/clear ATA interrupts */
writeb(ATA_NIEN, ap->ioaddr.ctl_addr);
- ata_check_status(ap);
+ ata_sff_check_status(ap);
/* reset ADMA to idle state */
writew(aPIOMD4 | aNIEN | aRSTADM, chan + ADMA_CONTROL);
@@ -304,13 +266,7 @@ static int adma_prereset(struct ata_link *link, unsigned long deadline)
pp->state = adma_state_mmio;
adma_reinit_engine(ap);
- return ata_std_prereset(link, deadline);
-}
-
-static void adma_error_handler(struct ata_port *ap)
-{
- ata_do_eh(ap, adma_prereset, ata_std_softreset, NULL,
- ata_std_postreset);
+ return ata_sff_prereset(link, deadline);
}
static int adma_fill_sg(struct ata_queued_cmd *qc)
@@ -366,7 +322,7 @@ static void adma_qc_prep(struct ata_queued_cmd *qc)
adma_enter_reg_mode(qc->ap);
if (qc->tf.protocol != ATA_PROT_DMA) {
- ata_qc_prep(qc);
+ ata_sff_qc_prep(qc);
return;
}
@@ -465,7 +421,7 @@ static unsigned int adma_qc_issue(struct ata_queued_cmd *qc)
}
pp->state = adma_state_mmio;
- return ata_qc_issue_prot(qc);
+ return ata_sff_qc_issue(qc);
}
static inline unsigned int adma_intr_pkt(struct ata_host *host)
@@ -536,7 +492,7 @@ static inline unsigned int adma_intr_mmio(struct ata_host *host)
if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
/* check main status, clearing INTRQ */
- u8 status = ata_check_status(ap);
+ u8 status = ata_sff_check_status(ap);
if ((status & ATA_BUSY))
continue;
DPRINTK("ata%u: protocol %d (dev_stat 0x%X)\n",
@@ -633,14 +589,6 @@ static void adma_port_stop(struct ata_port *ap)
adma_reset_engine(ap);
}
-static void adma_host_stop(struct ata_host *host)
-{
- unsigned int port_no;
-
- for (port_no = 0; port_no < ADMA_PORTS; ++port_no)
- adma_reset_engine(host->ports[port_no]);
-}
-
static void adma_host_init(struct ata_host *host, unsigned int chip_id)
{
unsigned int port_no;