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[SCSI] lpfc 8.3.36: Fixed boot from san failure

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Fixed boot from san failure when SLI4 FC device presented on the same PCI bus

The request_firmware interface can induce delays while looking
for firmware files, even if no fw file is present. In some situations
the delays exceeded scan_wait timeouts, resulting in situations in which
the boot device had not been discovered in time.  Boot Device does not
need to be on a lpfc device.

Change request_firmware use to be module paramater driven. Default is to
not attempt firmware download on boot. Add sysfs parameter to invoke
firmware update.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart
2012-10-31 14:44:33 -04:00
committed by James Bottomley
parent 286aa03166
commit c71ab8616d
5 changed files with 120 additions and 13 deletions
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1
drivers/scsi/lpfc/lpfc.h
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@@ -714,6 +714,7 @@ struct lpfc_hba {
uint32_t cfg_log_verbose;
uint32_t cfg_aer_support;
uint32_t cfg_sriov_nr_virtfn;
uint32_t cfg_request_firmware_upgrade;
uint32_t cfg_iocb_cnt;
uint32_t cfg_suppress_link_up;
#define LPFC_INITIALIZE_LINK 0 /* do normal init_link mbox */