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Diffstat (limited to 'drivers/ata/pata_pcmcia.c')
-rw-r--r--drivers/ata/pata_pcmcia.c77
1 files changed, 56 insertions, 21 deletions
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index 103720f873c8..75dc84797ff3 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -42,7 +42,7 @@
#define DRV_NAME "pata_pcmcia"
-#define DRV_VERSION "0.3.0"
+#define DRV_VERSION "0.3.1"
/*
* Private data structure to glue stuff together
@@ -54,6 +54,39 @@ struct ata_pcmcia_info {
dev_node_t node;
};
+/**
+ * pcmcia_set_mode - PCMCIA specific mode setup
+ * @ap: Port
+ * @r_failed_dev: Return pointer for failed device
+ *
+ * Perform the tuning and setup of the devices and timings, which
+ * for PCMCIA is the same as any other controller. We wrap it however
+ * as we need to spot hardware with incorrect or missing master/slave
+ * decode, which alas is embarrassingly common in the PC world
+ */
+
+static int pcmcia_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev)
+{
+ struct ata_device *master = &ap->device[0];
+ struct ata_device *slave = &ap->device[1];
+
+ if (!ata_dev_enabled(master) || !ata_dev_enabled(slave))
+ return ata_do_set_mode(ap, r_failed_dev);
+
+ if (memcmp(master->id + ATA_ID_FW_REV, slave->id + ATA_ID_FW_REV,
+ ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0)
+ {
+ /* Suspicious match, but could be two cards from
+ the same vendor - check serial */
+ if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO,
+ ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) {
+ ata_dev_printk(slave, KERN_WARNING, "is a ghost device, ignoring.\n");
+ ata_dev_disable(slave);
+ }
+ }
+ return ata_do_set_mode(ap, r_failed_dev);
+}
+
static struct scsi_host_template pcmcia_sht = {
.module = THIS_MODULE,
.name = DRV_NAME,
@@ -73,6 +106,7 @@ static struct scsi_host_template pcmcia_sht = {
};
static struct ata_port_operations pcmcia_port_ops = {
+ .set_mode = pcmcia_set_mode,
.port_disable = ata_port_disable,
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
@@ -84,13 +118,13 @@ static struct ata_port_operations pcmcia_port_ops = {
.thaw = ata_bmdma_thaw,
.error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
+ .cable_detect = ata_cable_40wire,
.qc_prep = ata_qc_prep,
.qc_issue = ata_qc_issue_prot,
.data_xfer = ata_data_xfer_noirq,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
.irq_on = ata_irq_on,
.irq_ack = ata_irq_ack,
@@ -111,7 +145,8 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
static int pcmcia_init_one(struct pcmcia_device *pdev)
{
- struct ata_probe_ent ae;
+ struct ata_host *host;
+ struct ata_port *ap;
struct ata_pcmcia_info *info;
tuple_t tuple;
struct {
@@ -255,24 +290,24 @@ next_entry:
* Having done the PCMCIA plumbing the ATA side is relatively
* sane.
*/
-
- memset(&ae, 0, sizeof(struct ata_probe_ent));
- INIT_LIST_HEAD(&ae.node);
- ae.dev = &pdev->dev;
- ae.port_ops = &pcmcia_port_ops;
- ae.sht = &pcmcia_sht;
- ae.n_ports = 1;
- ae.pio_mask = 1; /* ISA so PIO 0 cycles */
- ae.irq = pdev->irq.AssignedIRQ;
- ae.irq_flags = IRQF_SHARED;
- ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST;
- ae.port[0].cmd_addr = io_addr;
- ae.port[0].altstatus_addr = ctl_addr;
- ae.port[0].ctl_addr = ctl_addr;
- ata_std_ports(&ae.port[0]);
-
- ret = -ENODEV;
- if (ata_device_add(&ae) == 0)
+ ret = -ENOMEM;
+ host = ata_host_alloc(&pdev->dev, 1);
+ if (!host)
+ goto failed;
+ ap = host->ports[0];
+
+ ap->ops = &pcmcia_port_ops;
+ ap->pio_mask = 1; /* ISA so PIO 0 cycles */
+ ap->flags |= ATA_FLAG_SLAVE_POSS;
+ ap->ioaddr.cmd_addr = io_addr;
+ ap->ioaddr.altstatus_addr = ctl_addr;
+ ap->ioaddr.ctl_addr = ctl_addr;
+ ata_std_ports(&ap->ioaddr);
+
+ /* activate */
+ ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_interrupt,
+ IRQF_SHARED, &pcmcia_sht);
+ if (ret)
goto failed;
info->ndev = 1;