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path: root/drivers/ata/pata_winbond.c
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Diffstat (limited to 'drivers/ata/pata_winbond.c')
-rw-r--r--drivers/ata/pata_winbond.c97
1 files changed, 46 insertions, 51 deletions
diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c
index 434f14f..aa6d4bc 100644
--- a/drivers/ata/pata_winbond.c
+++ b/drivers/ata/pata_winbond.c
@@ -158,7 +158,6 @@ static struct ata_port_operations winbond_port_ops = {
.data_xfer = winbond_data_xfer,
- .irq_handler = ata_interrupt,
.irq_clear = ata_bmdma_irq_clear,
.irq_on = ata_irq_on,
.irq_ack = ata_irq_ack,
@@ -179,11 +178,9 @@ static struct ata_port_operations winbond_port_ops = {
static __init int winbond_init_one(unsigned long port)
{
- struct ata_probe_ent ae;
struct platform_device *pdev;
- int ret;
u8 reg;
- int i;
+ int i, rc;
reg = winbond_readcfg(port, 0x81);
reg |= 0x80; /* jumpered mode off */
@@ -202,58 +199,56 @@ static __init int winbond_init_one(unsigned long port)
for (i = 0; i < 2 ; i ++) {
unsigned long cmd_port = 0x1F0 - (0x80 * i);
+ struct ata_host *host;
+ struct ata_port *ap;
void __iomem *cmd_addr, *ctl_addr;
- if (reg & (1 << i)) {
- /*
- * Fill in a probe structure first of all
- */
-
- pdev = platform_device_register_simple(DRV_NAME, nr_winbond_host, NULL, 0);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- cmd_addr = devm_ioport_map(&pdev->dev, cmd_port, 8);
- ctl_addr = devm_ioport_map(&pdev->dev, cmd_port + 0x0206, 1);
- if (!cmd_addr || !ctl_addr) {
- platform_device_unregister(pdev);
- return -ENOMEM;
- }
-
- memset(&ae, 0, sizeof(struct ata_probe_ent));
- INIT_LIST_HEAD(&ae.node);
- ae.dev = &pdev->dev;
-
- ae.port_ops = &winbond_port_ops;
- ae.pio_mask = 0x1F;
-
- ae.sht = &winbond_sht;
-
- ae.n_ports = 1;
- ae.irq = 14 + i;
- ae.irq_flags = 0;
- ae.port_flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST;
- ae.port[0].cmd_addr = cmd_addr;
- ae.port[0].altstatus_addr = ctl_addr;
- ae.port[0].ctl_addr = ctl_addr;
- ata_std_ports(&ae.port[0]);
- /*
- * Hook in a private data structure per channel
- */
- ae.private_data = &winbond_data[nr_winbond_host];
- winbond_data[nr_winbond_host].config = port;
- winbond_data[nr_winbond_host].platform_dev = pdev;
-
- ret = ata_device_add(&ae);
- if (ret == 0) {
- platform_device_unregister(pdev);
- return -ENODEV;
- }
- winbond_host[nr_winbond_host++] = dev_get_drvdata(&pdev->dev);
- }
+ if (!(reg & (1 << i)))
+ continue;
+
+ pdev = platform_device_register_simple(DRV_NAME, nr_winbond_host, NULL, 0);
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+
+ rc = -ENOMEM;
+ host = ata_host_alloc(&pdev->dev, 1);
+ if (!host)
+ goto err_unregister;
+
+ rc = -ENOMEM;
+ cmd_addr = devm_ioport_map(&pdev->dev, cmd_port, 8);
+ ctl_addr = devm_ioport_map(&pdev->dev, cmd_port + 0x0206, 1);
+ if (!cmd_addr || !ctl_addr)
+ goto err_unregister;
+
+ ap = host->ports[0];
+ ap->ops = &winbond_port_ops;
+ ap->pio_mask = 0x1F;
+ ap->flags |= ATA_FLAG_SLAVE_POSS;
+ ap->ioaddr.cmd_addr = cmd_addr;
+ ap->ioaddr.altstatus_addr = ctl_addr;
+ ap->ioaddr.ctl_addr = ctl_addr;
+ ata_std_ports(&ap->ioaddr);
+
+ /* hook in a private data structure per channel */
+ host->private_data = &winbond_data[nr_winbond_host];
+ winbond_data[nr_winbond_host].config = port;
+ winbond_data[nr_winbond_host].platform_dev = pdev;
+
+ /* activate */
+ rc = ata_host_activate(host, 14 + i, ata_interrupt, 0,
+ &winbond_sht);
+ if (rc)
+ goto err_unregister;
+
+ winbond_host[nr_winbond_host++] = dev_get_drvdata(&pdev->dev);
}
return 0;
+
+ err_unregister:
+ platform_device_unregister(pdev);
+ return rc;
}
/**
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