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[SCSI] hpsa: factor out hpsa_lookup_board_id 

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Stephen M. Cameron 2010-05-27 15:12:52 -05:00 committed by James Bottomley
parent 55c06c7171
commit e5c880d1d5
1 changed files with 31 additions and 27 deletions
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58
drivers/scsi/hpsa.c
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@ -3256,37 +3256,44 @@ static void __devinit hpsa_interrupt_mode(struct ctlr_info *h, u32 board_id)
h->intr[PERF_MODE_INT] = h->pdev->irq;
}
static int __devinit hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
{
int i;
u32 subsystem_vendor_id, subsystem_device_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++)
if (*board_id == products[i].board_id)
return i;
if (subsystem_vendor_id != PCI_VENDOR_ID_HP || !hpsa_allow_any) {
dev_warn(&pdev->dev, "unrecognized board ID: "
"0x%08x, ignoring.\n", *board_id);
return -ENODEV;
}
return ARRAY_SIZE(products) - 1; /* generic unknown smart array */
}
static int __devinit hpsa_pci_init(struct ctlr_info *h)
{
ushort subsystem_vendor_id, subsystem_device_id, command;
u32 board_id, scratchpad = 0;
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;
subsystem_vendor_id = h->pdev->subsystem_vendor;
subsystem_device_id = h->pdev->subsystem_device;
board_id = (((u32) (subsystem_device_id << 16) & 0xffff0000) |
subsystem_vendor_id);
prod_index = hpsa_lookup_board_id(h->pdev, &h->board_id);
if (prod_index < 0)
return -ENODEV;
h->product_name = products[prod_index].product_name;
h->access = *(products[prod_index].access);
for (i = 0; i < ARRAY_SIZE(products); i++)
if (board_id == products[i].board_id)
break;
prod_index = i;
if (prod_index == ARRAY_SIZE(products)) {
prod_index--;
if (subsystem_vendor_id != PCI_VENDOR_ID_HP ||
!hpsa_allow_any) {
dev_warn(&h->pdev->dev, "unrecognized board ID:"
" 0x%08lx, ignoring.\n",
(unsigned long) board_id);
return -ENODEV;
}
}
/* check to see if controller has been disabled
* BEFORE trying to enable it
*/
@ -3312,7 +3319,7 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
/* If the kernel supports MSI/MSI-X we will try to enable that,
* else we use the IO-APIC interrupt assigned to us by system ROM.
*/
hpsa_interrupt_mode(h, board_id);
hpsa_interrupt_mode(h, h->board_id);
/* find the memory BAR */
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
@ -3364,7 +3371,6 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
cfg_base_addr_index)+cfg_offset+trans_offset,
sizeof(*h->transtable));
h->board_id = board_id;
h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
h->maxsgentries = readl(&(h->cfgtable->MaxScatterGatherElements));
@ -3383,8 +3389,6 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
h->chainsize = 0;
}
h->product_name = products[prod_index].product_name;
h->access = *(products[prod_index].access);
/* Allow room for some ioctls */
h->nr_cmds = h->max_commands - 4;
@ -3410,7 +3414,7 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
* An ASIC bug may result in a prefetch beyond
* physical memory.
*/
if (board_id == 0x3225103C) {
if (h->board_id == 0x3225103C) {
u32 dma_prefetch;
dma_prefetch = readl(h->vaddr + I2O_DMA1_CFG);
dma_prefetch |= 0x8000;