diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/hpsa.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index b6c6e7f88fa..4233b932ef5 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -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"); |