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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2006-10-16 16:55:46 +0100 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-10-25 15:13:45 -0700 |
| commit | 47bcd3546d5141e54f15e40a20dc01d7c5f5a473 (patch) | |
| tree | c63d1fa3b5d5a08e71e83c72870f3b8e1b51fea8 | |
| parent | ed632da84c51a39fd9c982991e0f26120a035761 (diff) | |
| download | kernel-crypto-47bcd3546d5141e54f15e40a20dc01d7c5f5a473.tar.gz kernel-crypto-47bcd3546d5141e54f15e40a20dc01d7c5f5a473.tar.xz kernel-crypto-47bcd3546d5141e54f15e40a20dc01d7c5f5a473.zip | |
[SCSI] Switch fdomain to the pci_get API
Doesn't make the hardware hot pluggable but does ensure the driver won't
crash when another device is hot-unplugged at the wrong moment. Soon I
propose to deprecate pci_find_device() and some of its friends.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| -rw-r--r-- | drivers/scsi/fdomain.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 41b05fc4538..2a964240cf4 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -387,6 +387,7 @@ static void __iomem * bios_mem; static int bios_major; static int bios_minor; static int PCI_bus; +static struct pci_dev *PCI_dev; static int Quantum; /* Quantum board variant */ static int interrupt_level; static volatile int in_command; @@ -812,9 +813,10 @@ static int fdomain_pci_bios_detect( int *irq, int *iobase, struct pci_dev **ret_ PCI_DEVICE_ID_FD_36C70 ); #endif - if ((pdev = pci_find_device(PCI_VENDOR_ID_FD, PCI_DEVICE_ID_FD_36C70, pdev)) == NULL) + if ((pdev = pci_get_device(PCI_VENDOR_ID_FD, PCI_DEVICE_ID_FD_36C70, pdev)) == NULL) return 0; - if (pci_enable_device(pdev)) return 0; + if (pci_enable_device(pdev)) + goto fail; #if DEBUG_DETECT printk( "scsi: <fdomain> TMC-3260 detect:" @@ -831,7 +833,7 @@ static int fdomain_pci_bios_detect( int *irq, int *iobase, struct pci_dev **ret_ pci_irq = pdev->irq; if (!request_region( pci_base, 0x10, "fdomain" )) - return 0; + goto fail; /* Now we have the I/O base address and interrupt from the PCI configuration registers. */ @@ -848,17 +850,22 @@ static int fdomain_pci_bios_detect( int *irq, int *iobase, struct pci_dev **ret_ if (!fdomain_is_valid_port(pci_base)) { printk(KERN_ERR "scsi: <fdomain> PCI card detected, but driver not loaded (invalid port)\n" ); release_region(pci_base, 0x10); - return 0; + goto fail; } /* Fill in a few global variables. Ugh. */ bios_major = bios_minor = -1; PCI_bus = 1; + PCI_dev = pdev; Quantum = 0; bios_base = 0; return 1; +fail: + pci_dev_put(pdev); + return 0; } + #endif struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt ) @@ -909,8 +916,7 @@ struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt ) if (setup_called) { printk(KERN_ERR "scsi: <fdomain> Bad LILO/INSMOD parameters?\n"); } - release_region(port_base, 0x10); - return NULL; + goto fail; } if (this_id) { @@ -942,8 +948,7 @@ struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt ) /* Log IRQ with kernel */ if (!interrupt_level) { printk(KERN_ERR "scsi: <fdomain> Card Detected, but driver not loaded (no IRQ)\n" ); - release_region(port_base, 0x10); - return NULL; + goto fail; } else { /* Register the IRQ with the kernel */ @@ -964,11 +969,14 @@ struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt ) printk(KERN_ERR " Send mail to faith@acm.org\n" ); } printk(KERN_ERR "scsi: <fdomain> Detected, but driver not loaded (IRQ)\n" ); - release_region(port_base, 0x10); - return NULL; + goto fail; } } return shpnt; +fail: + pci_dev_put(pdev); + release_region(port_base, 0x10); + return NULL; } static int fdomain_16x0_detect(struct scsi_host_template *tpnt) @@ -1714,6 +1722,8 @@ static int fdomain_16x0_release(struct Scsi_Host *shpnt) free_irq(shpnt->irq, shpnt); if (shpnt->io_port && shpnt->n_io_port) release_region(shpnt->io_port, shpnt->n_io_port); + if (PCI_bus) + pci_dev_put(PCI_dev); return 0; } |