/* First stage of disconnect processing: stop all commands and remove
* the host */
static void quiesce_and_remove_host(struct rtsx_dev *dev)
{
struct Scsi_Host *host = rtsx_to_host(dev);
struct rtsx_chip *chip = dev->chip;
/* Prevent new transfers, stop the current command, and
* interrupt a SCSI-scan or device-reset delay */
mutex_lock(&dev->dev_mutex);
scsi_lock(host);
rtsx_set_stat(chip, RTSX_STAT_DISCONNECT);
scsi_unlock(host);
mutex_unlock(&dev->dev_mutex);
wake_up(&dev->delay_wait);
wait_for_completion(&dev->scanning_done);
/* Wait some time to let other threads exist */
wait_timeout(100);
/* queuecommand won't accept any new commands and the control
* thread won't execute a previously-queued command. If there
* is such a command pending, complete it with an error. */
mutex_lock(&dev->dev_mutex);
if (chip->srb) {
chip->srb->result = DID_NO_CONNECT << 16;
scsi_lock(host);
chip->srb->scsi_done(dev->chip->srb);
chip->srb = NULL;
scsi_unlock(host);
}
mutex_unlock(&dev->dev_mutex);
/* Now we own no commands so it's safe to remove the SCSI host */
scsi_remove_host(host);
}
static void quiesce_and_remove_host(struct us_data *us)
{
struct Scsi_Host *host = us_to_host(us);
//---------------------------
pr_info("17 quiesce and remove host\n");
/* If the device is really gone, cut short reset delays */
if (us->pusb_dev->state == USB_STATE_NOTATTACHED) {
set_bit(US_FLIDX_DISCONNECTING, &us->dflags);
wake_up(&us->delay_wait);
}
/* Prevent SCSI scanning (if it hasn't started yet)
* or wait for the SCSI-scanning routine to stop.
*/
cancel_delayed_work_sync(&us->scan_dwork);
/* Balance autopm calls if scanning was cancelled */
if (test_bit(US_FLIDX_SCAN_PENDING, &us->dflags))
usb_autopm_put_interface_no_suspend(us->pusb_intf);
/* Removing the host will perform an orderly shutdown: caches
* synchronized, disks spun down, etc.
*/
scsi_remove_host(host);
/* Prevent any new commands from being accepted and cut short
* reset delays.
*/
scsi_lock(host);
set_bit(US_FLIDX_DISCONNECTING, &us->dflags);
scsi_unlock(host);
wake_up(&us->delay_wait);
}
static void __devexit
NCR_D700_remove_one(struct Scsi_Host *host)
{
scsi_remove_host(host);
NCR_700_release(host);
kfree((struct NCR_700_Host_Parameters *)host->hostdata[0]);
free_irq(host->irq, host);
release_region(host->base, 64);
}
static void __exit mvme147_exit(void)
{
scsi_remove_host(mvme147_shost);
/* XXX Make sure DMA is stopped! */
free_irq(MVME147_IRQ_SCSI_PORT, mvme147_shost);
free_irq(MVME147_IRQ_SCSI_DMA, mvme147_shost);
scsi_host_put(mvme147_shost);
}
static void __devexit oakscsi_remove(struct expansion_card *ec)
{
struct Scsi_Host *host = ecard_get_drvdata(ec);
ecard_set_drvdata(ec, NULL);
scsi_remove_host(host);
release_region(host->io_port, host->n_io_port);
scsi_host_put(host);
}
static void fdomain_release(struct pcmcia_device *link)
{
scsi_info_t *info = link->priv;
dev_dbg(&link->dev, "fdomain_release\n");
scsi_remove_host(info->host);
pcmcia_disable_device(link);
scsi_unregister(info->host);
}
static int __exit mac_scsi_remove(struct platform_device *pdev)
{
struct Scsi_Host *instance = platform_get_drvdata(pdev);
scsi_remove_host(instance);
if (instance->irq != NO_IRQ)
free_irq(instance->irq, instance);
NCR5380_exit(instance);
scsi_host_put(instance);
return 0;
}
static int __exit zalon_remove(struct parisc_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
int irq = host->irq;
scsi_remove_host(host);
ncr53c8xx_release(host);
free_irq(irq, host);
return 0;
}
static void __devexit a2091_remove(struct zorro_dev *z)
{
struct Scsi_Host *instance = zorro_get_drvdata(z);
struct a2091_hostdata *hdata = shost_priv(instance);
hdata->regs->CNTR = 0;
scsi_remove_host(instance);
free_irq(IRQ_AMIGA_PORTS, instance);
scsi_host_put(instance);
release_mem_region(z->resource.start, 256);
}
static void __devexit oakscsi_remove(struct expansion_card *ec)
{
struct Scsi_Host *host = ecard_get_drvdata(ec);
ecard_set_drvdata(ec, NULL);
scsi_remove_host(host);
NCR5380_exit(host);
iounmap(priv(host)->base);
scsi_host_put(host);
ecard_release_resources(ec);
}
static __devexit void zorro7xx_remove_one(struct zorro_dev *z)
{
struct Scsi_Host *host = zorro_get_drvdata(z);
struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
NCR_700_release(host);
kfree(hostdata);
free_irq(host->irq, host);
zorro_release_device(z);
}
static int tcm_loop_driver_remove(struct device *dev)
{
struct tcm_loop_hba *tl_hba;
struct Scsi_Host *sh;
tl_hba = to_tcm_loop_hba(dev);
sh = tl_hba->sh;
scsi_remove_host(sh);
scsi_host_put(sh);
return 0;
}
static int __exit sgiwd93_remove(struct platform_device *pdev)
{
struct Scsi_Host *host = platform_get_drvdata(pdev);
struct ip22_hostdata *hdata = (struct ip22_hostdata *) host->hostdata;
struct sgiwd93_platform_data *pd = pdev->dev.platform_data;
scsi_remove_host(host);
free_irq(pd->irq, host);
dma_free_noncoherent(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma);
scsi_host_put(host);
return 0;
}
static void __devexit cumanascsi1_remove(struct expansion_card *ec)
{
struct Scsi_Host *host = ecard_get_drvdata(ec);
ecard_set_drvdata(ec, NULL);
scsi_remove_host(host);
free_irq(host->irq, host);
NCR5380_exit(host);
release_region(host->io_port, host->n_io_port);
scsi_host_put(host);
}
static void qlogic_release(struct pcmcia_device *link)
{
scsi_info_t *info = link->priv;
DEBUG(0, "qlogic_release(0x%p)\n", link);
scsi_remove_host(info->host);
free_irq(link->irq.AssignedIRQ, info->host);
pcmcia_disable_device(link);
scsi_host_put(info->host);
}
/**
* megaraid_io_detach - detach a device from the IO subsystem
* @adapter : controller's soft state
*
* Detach this device from the IO subsystem.
*/
static void
megaraid_io_detach(adapter_t *adapter)
{
struct Scsi_Host *host;
con_log(CL_DLEVEL1, (KERN_INFO "megaraid: io detach\n"));
host = adapter->host;
scsi_remove_host(host);
return;
}
static int __exit amiga_a3000_scsi_remove(struct platform_device *pdev)
{
struct Scsi_Host *instance = platform_get_drvdata(pdev);
struct a3000_hostdata *hdata = shost_priv(instance);
struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hdata->regs->CNTR = 0;
scsi_remove_host(instance);
free_irq(IRQ_AMIGA_PORTS, instance);
scsi_host_put(instance);
release_mem_region(res->start, resource_size(res));
return 0;
}
static void dmx3191d_remove_one(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
struct NCR5380_hostdata *hostdata = shost_priv(shost);
unsigned long io = hostdata->base;
scsi_remove_host(shost);
NCR5380_exit(shost);
scsi_host_put(shost);
release_region(io, DMX3191D_REGION_LEN);
pci_disable_device(pdev);
}
static void qlogic_release(struct pcmcia_device *link)
{
scsi_info_t *info = link->priv;
dev_dbg(&link->dev, "qlogic_release\n");
scsi_remove_host(info->host);
free_irq(link->irq, info->host);
pcmcia_disable_device(link);
scsi_host_put(info->host);
}
static __devexit int
bvme6000_device_remove(struct platform_device *dev)
{
struct Scsi_Host *host = platform_get_drvdata(dev);
struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
NCR_700_release(host);
kfree(hostdata);
free_irq(host->irq, host);
return 0;
}
static int __exit snirm710_driver_remove(struct platform_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)host->hostdata[0];
scsi_remove_host(host);
NCR_700_release(host);
free_irq(host->irq, host);
iounmap(hostdata->base);
kfree(hostdata);
return 0;
}
static __devexit int a4000t_device_remove(struct device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(dev);
struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
scsi_remove_host(host);
NCR_700_release(host);
kfree(hostdata);
free_irq(host->irq, host);
release_mem_region(A4000T_SCSI_ADDR, 0x1000);
return 0;
}
static void isci_unregister(struct isci_host *isci_host)
{
struct Scsi_Host *shost;
if (!isci_host)
return;
shost = to_shost(isci_host);
scsi_remove_host(shost);
sas_unregister_ha(&isci_host->sas_ha);
sas_remove_host(shost);
scsi_host_put(shost);
}
static void aha152x_release_cs(dev_link_t *link)
{
scsi_info_t *info = link->priv;
scsi_remove_host(info->host);
link->dev = NULL;
CardServices(ReleaseConfiguration, link->handle);
CardServices(ReleaseIO, link->handle, &link->io);
CardServices(ReleaseIRQ, link->handle, &link->irq);
link->state &= ~DEV_CONFIG;
scsi_unregister(info->host);
}
static void pvscsi_remove(struct pci_dev *pdev)
{
struct Scsi_Host *host = pci_get_drvdata(pdev);
struct pvscsi_adapter *adapter = shost_priv(host);
scsi_remove_host(host);
__pvscsi_shutdown(adapter);
pvscsi_release_resources(adapter);
scsi_host_put(host);
pci_disable_device(pdev);
}
static __devexit int
sim710_device_remove(struct device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(dev);
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)host->hostdata[0];
scsi_remove_host(host);
NCR_700_release(host);
kfree(hostdata);
free_irq(host->irq, host);
release_region(host->base, 64);
return 0;
}
static void
ahd_linux_pci_dev_remove(struct pci_dev *pdev)
{
struct ahd_softc *ahd = pci_get_drvdata(pdev);
u_long s;
if (ahd->platform_data && ahd->platform_data->host)
scsi_remove_host(ahd->platform_data->host);
ahd_lock(ahd, &s);
ahd_intr_enable(ahd, FALSE);
ahd_unlock(ahd, &s);
ahd_free(ahd);
}
static int __exit
lasi700_driver_remove(struct parisc_device *dev)
{
struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)host->hostdata[0];
scsi_remove_host(host);
NCR_700_release(host);
free_irq(host->irq, host);
kfree(hostdata);
return 0;
}
static void mts_usb_disconnect (struct usb_interface *intf)
{
struct mts_desc *desc = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
usb_kill_urb(desc->urb);
scsi_remove_host(desc->host);
scsi_host_put(desc->host);
usb_free_urb(desc->urb);
kfree(desc->context.scsi_status);
kfree(desc);
}
static void cumanascsi1_remove(struct expansion_card *ec)
{
struct Scsi_Host *host = ecard_get_drvdata(ec);
ecard_set_drvdata(ec, NULL);
scsi_remove_host(host);
free_irq(host->irq, host);
NCR5380_exit(host);
iounmap(priv(host)->base);
iounmap(priv(host)->dma);
scsi_host_put(host);
ecard_release_resources(ec);
}
