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hpsa: change doorbell reset delay to ten seconds

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After 3.22 firmware, PMC firmware guys tell us the
previous 5 second delay after a reset now needs to
be 10 secs to avoid a PCIe error due to the driver
looking at the controller too soon after the reset.

Signed-off-by: Justin Lindley <justin.lindley@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Justin Lindley 2014-05-29 10:52:47 -05:00 committed by Christoph Hellwig
parent 9233fb10f3
commit 00701a96f8
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/hpsa.c
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@ -5838,12 +5838,12 @@ static int hpsa_controller_hard_reset(struct pci_dev *pdev,
dev_info(&pdev->dev, "using doorbell to reset controller\n");
writel(use_doorbell, vaddr + SA5_DOORBELL);
/* PMC hardware guys tell us we need a 5 second delay after
/* PMC hardware guys tell us we need a 10 second delay after
* doorbell reset and before any attempt to talk to the board
* at all to ensure that this actually works and doesn't fall
* over in some weird corner cases.
*/
msleep(5000);
msleep(10000);
} else { /* Try to do it the PCI power state way */
/* Quoting from the Open CISS Specification: "The Power