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[SCSI] hpsa: factor out hpsa_board_disabled

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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 15:12:57 -05:00 committed by James Bottomley
parent e5c880d1d5
commit 85bdbabbd9
1 changed files with 9 additions and 7 deletions
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16
drivers/scsi/hpsa.c
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@ -3278,9 +3278,16 @@ static int __devinit hpsa_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
return ARRAY_SIZE(products) - 1; /* generic unknown smart array */
}
static inline bool hpsa_board_disabled(struct pci_dev *pdev)
{
u16 command;
(void) pci_read_config_word(pdev, PCI_COMMAND, &command);
return ((command & PCI_COMMAND_MEMORY) == 0);
}
static int __devinit hpsa_pci_init(struct ctlr_info *h)
{
ushort command;
u32 scratchpad = 0;
u64 cfg_offset;
u32 cfg_base_addr;
@ -3294,15 +3301,10 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
h->product_name = products[prod_index].product_name;
h->access = *(products[prod_index].access);
/* check to see if controller has been disabled
* BEFORE trying to enable it
*/
(void)pci_read_config_word(h->pdev, PCI_COMMAND, &command);
if (!(command & 0x02)) {
if (hpsa_board_disabled(h->pdev)) {
dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
return -ENODEV;
}
err = pci_enable_device(h->pdev);
if (err) {
dev_warn(&h->pdev->dev, "unable to enable PCI device\n");