</programlisting>
<para>
- Called from ata_bus_probe() and ata_bus_reset() error paths,
- as well as when unregistering from the SCSI module (rmmod, hot
- unplug).
+ Called from ata_bus_probe() error path, as well as when
+ unregistering from the SCSI module (rmmod, hot unplug).
This function should do whatever needs to be done to take the
port out of use. In most cases, ata_port_disable() can be used
as this hook.
</para>
<para>
Called from ata_bus_probe() on a failed probe.
- Called from ata_bus_reset() on a failed bus reset.
Called from ata_scsi_release().
</para>
</sect2>
+ <sect2><title>Write specific ATA shadow register</title>
+ <programlisting>
+ void (*sff_set_devctl)(struct ata_port *ap, u8 ctl);
+ </programlisting>
+
+ <para>
+ Write the device control ATA shadow register to the hardware.
+ Most drivers don't need to define this.
+ </para>
+
+ </sect2>
+
<sect2><title>Select ATA device on bus</title>
<programlisting>
void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
allocates space for a legacy IDE PRD table and returns.
</para>
<para>
- ->port_stop() is called after ->host_stop(). It's sole function
+ ->port_stop() is called after ->host_stop(). Its sole function
is to release DMA/memory resources, now that they are no longer
actively being used. Many drivers also free driver-private
data from port at this time.
#define DRV_NAME "pata_pcmcia"
#define DRV_VERSION "0.3.5"
-/*
- * Private data structure to glue stuff together
- */
-
-struct ata_pcmcia_info {
- struct pcmcia_device *pdev;
- int ndev;
- dev_node_t node;
-};
-
/**
* pcmcia_set_mode - PCMCIA specific mode setup
* @link: link
.sff_data_xfer = ata_data_xfer_8bit,
.cable_detect = ata_cable_40wire,
.set_mode = pcmcia_set_mode_8bit,
- .drain_fifo = pcmcia_8bit_drain_fifo,
+ .sff_drain_fifo = pcmcia_8bit_drain_fifo,
};
{
struct ata_host *host;
struct ata_port *ap;
- struct ata_pcmcia_info *info;
struct pcmcia_config_check *stk = NULL;
int is_kme = 0, ret = -ENOMEM, p;
unsigned long io_base, ctl_base;
int n_ports = 1;
struct ata_port_operations *ops = &pcmcia_port_ops;
- info = kzalloc(sizeof(*info), GFP_KERNEL);
- if (info == NULL)
- return -ENOMEM;
-
- /* Glue stuff together. FIXME: We may be able to get rid of info with care */
- info->pdev = pdev;
- pdev->priv = info;
-
/* Set up attributes in order to probe card and get resources */
pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
pdev->io.IOAddrLines = 3;
- pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
pdev->conf.Attributes = CONF_ENABLE_IRQ;
pdev->conf.IntType = INT_MEMORY_AND_IO;
}
io_base = pdev->io.BasePort1;
ctl_base = stk->ctl_base;
- ret = pcmcia_request_irq(pdev, &pdev->irq);
- if (ret)
+ if (!pdev->irq)
goto failed;
ret = pcmcia_request_configuration(pdev, &pdev->conf);
}
/* activate */
- ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_sff_interrupt,
+ ret = ata_host_activate(host, pdev->irq, ata_sff_interrupt,
IRQF_SHARED, &pcmcia_sht);
if (ret)
goto failed;
- info->ndev = 1;
+ pdev->priv = host;
kfree(stk);
return 0;
failed:
kfree(stk);
- info->ndev = 0;
pcmcia_disable_device(pdev);
out1:
- kfree(info);
return ret;
}
static void pcmcia_remove_one(struct pcmcia_device *pdev)
{
- struct ata_pcmcia_info *info = pdev->priv;
- struct device *dev = &pdev->dev;
-
- if (info != NULL) {
- /* If we have attached the device to the ATA layer, detach it */
- if (info->ndev) {
- struct ata_host *host = dev_get_drvdata(dev);
- ata_host_detach(host);
- }
- info->ndev = 0;
- pdev->priv = NULL;
- }
+ struct ata_host *host = pdev->priv;
+
+ if (host)
+ ata_host_detach(host);
+
pcmcia_disable_device(pdev);
- kfree(info);
}
static struct pcmcia_device_id pcmcia_devices[] = {