forked from luck/tmp_suning_uos_patched
qla2xxx: Restrict max_lun to 16-bit for older HBAs
Older HBAs are only capable of supporting 16-bit LUNs, so we need to make sure to adjust max_lun accordingly. Signed-off-by: Hannes Reinecke <hare@suse.de> Acked-by: Chad Dupuis <chad.dupuis@qlogic.com> Reviewed-by: Ewan Milne <emilne@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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@ -2661,6 +2661,11 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
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else
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host->max_cmd_len = MAX_CMDSZ;
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host->max_channel = MAX_BUSES - 1;
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/* Older HBAs support only 16-bit LUNs */
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if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
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ql2xmaxlun > 0xffff)
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host->max_lun = 0xffff;
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else
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host->max_lun = ql2xmaxlun;
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host->transportt = qla2xxx_transport_template;
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sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
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