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[SCSI] hpsa: factor out hpsa-CISS-signature-present 

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 15:13:32 -05:00 committed by James Bottomley
parent b93d7536ea
commit 76c46e4970
1 changed files with 13 additions and 5 deletions
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18
drivers/scsi/hpsa.c
View File

@ -3372,6 +3372,18 @@ static void __devinit hpsa_find_board_params(struct ctlr_info *h)
}
}
static inline bool hpsa_CISS_signature_present(struct ctlr_info *h)
{
if ((readb(&h->cfgtable->Signature[0]) != 'C') ||
(readb(&h->cfgtable->Signature[1]) != 'I') ||
(readb(&h->cfgtable->Signature[2]) != 'S') ||
(readb(&h->cfgtable->Signature[3]) != 'S')) {
dev_warn(&h->pdev->dev, "not a valid CISS config table\n");
return false;
}
return true;
}
static int __devinit hpsa_pci_init(struct ctlr_info *h)
{
int i, prod_index, err;
@ -3415,11 +3427,7 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
goto err_out_free_res;
hpsa_find_board_params(h);
if ((readb(&h->cfgtable->Signature[0]) != 'C') ||
(readb(&h->cfgtable->Signature[1]) != 'I') ||
(readb(&h->cfgtable->Signature[2]) != 'S') ||
(readb(&h->cfgtable->Signature[3]) != 'S')) {
dev_warn(&h->pdev->dev, "not a valid CISS config table\n");
if (!hpsa_CISS_signature_present(h)) {
err = -ENODEV;
goto err_out_free_res;
}