diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/cciss.c | 66 |
1 files changed, 35 insertions, 31 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index b79ce8e960f8..d4167c29213d 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -3980,35 +3980,43 @@ default_int_mode: return; } -static int __devinit cciss_pci_init(ctlr_info_t *c) +static int __devinit cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id) { - ushort subsystem_vendor_id, subsystem_device_id, command; - __u32 board_id, scratchpad = 0; - __u64 cfg_offset; - __u32 cfg_base_addr; - __u64 cfg_base_addr_index; - int i, prod_index, err; - __u32 trans_offset; + int i; + u32 subsystem_vendor_id, subsystem_device_id; - subsystem_vendor_id = c->pdev->subsystem_vendor; - subsystem_device_id = c->pdev->subsystem_device; - board_id = (((__u32) (subsystem_device_id << 16) & 0xffff0000) | - subsystem_vendor_id); + subsystem_vendor_id = pdev->subsystem_vendor; + subsystem_device_id = pdev->subsystem_device; + *board_id = ((subsystem_device_id << 16) & 0xffff0000) | + subsystem_vendor_id; for (i = 0; i < ARRAY_SIZE(products); i++) { /* Stand aside for hpsa driver on request */ if (cciss_allow_hpsa && products[i].board_id == HPSA_BOUNDARY) return -ENODEV; - if (board_id == products[i].board_id) - break; + if (*board_id == products[i].board_id) + return i; } - prod_index = i; - if (prod_index == ARRAY_SIZE(products)) { - dev_warn(&c->pdev->dev, - "unrecognized board ID: 0x%08lx, ignoring.\n", - (unsigned long) board_id); + dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n", + *board_id); + return -ENODEV; +} + +static int __devinit cciss_pci_init(ctlr_info_t *c) +{ + ushort command; + __u32 scratchpad = 0; + __u64 cfg_offset; + __u32 cfg_base_addr; + __u64 cfg_base_addr_index; + __u32 trans_offset; + int i, prod_index, err; + + prod_index = cciss_lookup_board_id(c->pdev, &c->board_id); + if (prod_index < 0) return -ENODEV; - } + c->product_name = products[prod_index].product_name; + c->access = *(products[prod_index].access); /* check to see if controller has been disabled */ /* BEFORE trying to enable it */ @@ -4035,13 +4043,13 @@ static int __devinit cciss_pci_init(ctlr_info_t *c) #ifdef CCISS_DEBUG printk(KERN_INFO "command = %x\n", command); printk(KERN_INFO "irq = %x\n", c->pdev->irq); - printk(KERN_INFO "board_id = %x\n", board_id); + printk(KERN_INFO "board_id = %x\n", c->board_id); #endif /* CCISS_DEBUG */ /* If the kernel supports MSI/MSI-X we will try to enable that functionality, * else we use the IO-APIC interrupt assigned to us by system ROM. */ - cciss_interrupt_mode(c, board_id); + cciss_interrupt_mode(c, c->board_id); /* find the memory BAR */ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { @@ -4107,11 +4115,9 @@ static int __devinit cciss_pci_init(ctlr_info_t *c) c->transtable = remap_pci_mem(pci_resource_start(c->pdev, cfg_base_addr_index) + cfg_offset+trans_offset, sizeof(*c->transtable)); - c->board_id = board_id; - - #ifdef CCISS_DEBUG - print_cfg_table(c->cfgtable); - #endif /* CCISS_DEBUG */ +#ifdef CCISS_DEBUG + print_cfg_table(c->cfgtable); +#endif /* CCISS_DEBUG */ /* Some controllers support Zero Memory Raid (ZMR). * When configured in ZMR mode the number of supported @@ -4139,8 +4145,6 @@ static int __devinit cciss_pci_init(ctlr_info_t *c) c->chainsize = 0; /* traditional */ } - c->product_name = products[prod_index].product_name; - c->access = *(products[prod_index].access); c->nr_cmds = c->max_commands - 4; if ((readb(&c->cfgtable->Signature[0]) != 'C') || (readb(&c->cfgtable->Signature[1]) != 'I') || @@ -4165,8 +4169,8 @@ static int __devinit cciss_pci_init(ctlr_info_t *c) * We've disabled prefetch for some time now. Testing with XEN * kernels revealed a bug in the refetch if dom0 resides on a P600. */ - if(board_id == 0x3225103C) { - __u32 dma_prefetch; + if (c->board_id == 0x3225103C) { + __u32 dma_prefetch; __u32 dma_refetch; dma_prefetch = readl(c->vaddr + I2O_DMA1_CFG); dma_prefetch |= 0x8000; |
