diff options
author | Jeff Garzik <jeff@garzik.org> | 2007-12-14 00:14:09 (GMT) |
---|---|---|
committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-12 00:28:01 (GMT) |
commit | 21e1a5f26c437591f67779a97e5cc95ebbb02e90 (patch) | |
tree | 15d957a00a1e7749ad6cb3a6566b7582cd0deabd /drivers | |
parent | 2f277d6a719064f830211d0a0e104a37da2ac116 (diff) | |
download | linux-21e1a5f26c437591f67779a97e5cc95ebbb02e90.tar.xz |
[SCSI] ips: PCI API cleanups
* pass Scsi_Host to ips_remove_device() via pci_set_drvdata(),
allowing us to eliminate the ips_ha[] search loop and call
ips_release() directly.
* call pci_{request,release}_regions() and eliminate individual
request/release_[mem_]region() calls
* call pci_disable_device(), paired with pci_enable_device()
* s/0/NULL/ in a few places
* check ioremap() return value
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: "Salyzyn, Mark" <mark_salyzyn@adaptec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/scsi/ips.c | 72 |
1 files changed, 31 insertions, 41 deletions
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 0da3dfa..5f194a8 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -702,10 +702,6 @@ ips_release(struct Scsi_Host *sh) /* free extra memory */ ips_free(ha); - /* Free I/O Region */ - if (ha->io_addr) - release_region(ha->io_addr, ha->io_len); - /* free IRQ */ free_irq(ha->pcidev->irq, ha); @@ -4394,8 +4390,6 @@ ips_free(ips_ha_t * ha) ha->mem_ptr = NULL; } - if (ha->mem_addr) - release_mem_region(ha->mem_addr, ha->mem_len); ha->mem_addr = 0; } @@ -6880,20 +6874,14 @@ ips_register_scsi(int index) static void __devexit ips_remove_device(struct pci_dev *pci_dev) { - int i; - struct Scsi_Host *sh; - ips_ha_t *ha; + struct Scsi_Host *sh = pci_get_drvdata(pci_dev); - for (i = 0; i < IPS_MAX_ADAPTERS; i++) { - ha = ips_ha[i]; - if (ha) { - if ((pci_dev->bus->number == ha->pcidev->bus->number) && - (pci_dev->devfn == ha->pcidev->devfn)) { - sh = ips_sh[i]; - ips_release(sh); - } - } - } + pci_set_drvdata(pci_dev, NULL); + + ips_release(sh); + + pci_release_regions(pci_dev); + pci_disable_device(pci_dev); } /****************************************************************************/ @@ -6947,12 +6935,17 @@ module_exit(ips_module_exit); static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent) { - int uninitialized_var(index); + int index = -1; int rc; METHOD_TRACE("ips_insert_device", 1); - if (pci_enable_device(pci_dev)) - return -1; + rc = pci_enable_device(pci_dev); + if (rc) + return rc; + + rc = pci_request_regions(pci_dev, "ips"); + if (rc) + goto err_out; rc = ips_init_phase1(pci_dev, &index); if (rc == SUCCESS) @@ -6968,6 +6961,19 @@ ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent) ips_num_controllers++; ips_next_controller = ips_num_controllers; + + if (rc < 0) { + rc = -ENODEV; + goto err_out_regions; + } + + pci_set_drvdata(pci_dev, ips_sh[index]); + return 0; + +err_out_regions: + pci_release_regions(pci_dev); +err_out: + pci_disable_device(pci_dev); return rc; } @@ -7000,7 +7006,7 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) METHOD_TRACE("ips_init_phase1", 1); index = IPS_MAX_ADAPTERS; for (j = 0; j < IPS_MAX_ADAPTERS; j++) { - if (ips_ha[j] == 0) { + if (ips_ha[j] == NULL) { index = j; break; } @@ -7037,32 +7043,17 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) uint32_t base; uint32_t offs; - if (!request_mem_region(mem_addr, mem_len, "ips")) { - IPS_PRINTK(KERN_WARNING, pci_dev, - "Couldn't allocate IO Memory space %x len %d.\n", - mem_addr, mem_len); - return -1; - } - base = mem_addr & PAGE_MASK; offs = mem_addr - base; ioremap_ptr = ioremap(base, PAGE_SIZE); + if (!ioremap_ptr) + return -1; mem_ptr = ioremap_ptr + offs; } else { ioremap_ptr = NULL; mem_ptr = NULL; } - /* setup I/O mapped area (if applicable) */ - if (io_addr) { - if (!request_region(io_addr, io_len, "ips")) { - IPS_PRINTK(KERN_WARNING, pci_dev, - "Couldn't allocate IO space %x len %d.\n", - io_addr, io_len); - return -1; - } - } - /* found a controller */ ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL); if (ha == NULL) { @@ -7071,7 +7062,6 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) return -1; } - ips_sh[index] = NULL; ips_ha[index] = ha; ha->active = 1; |