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[PATCH 2/2] cciss: remove calls to pci_disable_device

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This patch removes calls to pci_disable_device except in fail_all_cmds. The
pci_disable_device function does something nasty to Smart Array controllers
that pci_enable_device does not undo. So if the driver is unloaded it cannot be
reloaded.

Also, customers can disable any pci device via the ROM Based Setup Utility
(RBSU). If the customer has disabled the controller we should not try to
blindly enable the card from the driver.  Please consider this for inclusion.

Signed-off-by: Mike Miller <mike.miller@hp.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
mike.miller@hp.com 2006-12-13 13:10:04 +01:00 committed by Jens Axboe
parent 98040015bc
commit c4977f596c
1 changed files with 1 additions and 5 deletions
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6
drivers/block/cciss.c
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@ -3006,10 +3006,8 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
err_out_free_res:
pci_release_regions(pdev);
err_out_disable_pdev:
pci_disable_device(pdev);
return err;
}
/*
@ -3383,7 +3381,6 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
blk_cleanup_queue(drv->queue);
}
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
free_hba(i);
return -1;
@ -3453,7 +3450,6 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
kfree(hba[i]->scsi_rejects.complete);
#endif
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
free_hba(i);
}