diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/cciss.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index bb22a80d448f..9c9c79c0aa98 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -4009,6 +4009,23 @@ static inline bool cciss_board_disabled(ctlr_info_t *h) return ((command & PCI_COMMAND_MEMORY) == 0); } +static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev, + unsigned long *memory_bar) +{ + int i; + + for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) + if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { + /* addressing mode bits already removed */ + *memory_bar = pci_resource_start(pdev, i); + dev_dbg(&pdev->dev, "memory BAR = %lx\n", + *memory_bar); + return 0; + } + dev_warn(&pdev->dev, "no memory BAR found\n"); + return -ENODEV; +} + static int __devinit cciss_pci_init(ctlr_info_t *c) { __u32 scratchpad = 0; @@ -4052,25 +4069,9 @@ static int __devinit cciss_pci_init(ctlr_info_t *c) * else we use the IO-APIC interrupt assigned to us by system ROM. */ cciss_interrupt_mode(c); - - /* find the memory BAR */ - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { - if (pci_resource_flags(c->pdev, i) & IORESOURCE_MEM) - break; - } - if (i == DEVICE_COUNT_RESOURCE) { - printk(KERN_WARNING "cciss: No memory BAR found\n"); - err = -ENODEV; + err = cciss_pci_find_memory_BAR(c->pdev, &c->paddr); + if (err) goto err_out_free_res; - } - - c->paddr = pci_resource_start(c->pdev, i); /* addressing mode bits - * already removed - */ - -#ifdef CCISS_DEBUG - printk("address 0 = %lx\n", c->paddr); -#endif /* CCISS_DEBUG */ c->vaddr = remap_pci_mem(c->paddr, 0x250); /* Wait for the board to become ready. (PCI hotplug needs this.) |