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isci: allow fallback to option-rom if efi variable retrieval fails 

If the scu efi driver is disabled but the option-rom is enabled (during an efi
boot) allow the code to fallback to scanning legacy option-rom space for the
parameters.

Reported-by: Yinghai Lu <yinghai.lu@oracle.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2011-04-26 13:19:53 -07:00
parent 3d6e428c0c
commit d37ee7e89a
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/isci/init.c
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@ -475,7 +475,7 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
int err, i;
struct isci_host *isci_host;
const struct firmware *fw = NULL;
struct isci_orom *orom;
struct isci_orom *orom = NULL;
char *source = "(platform)";
check_si_rev(pdev);
@ -487,7 +487,8 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
if (efi_enabled)
orom = isci_get_efi_var(pdev);
else
if (!orom)
orom = isci_request_oprom(pdev);
for (i = 0; orom && i < ARRAY_SIZE(orom->ctrl); i++) {