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Commit 00701a96 authored by Justin Lindley's avatar Justin Lindley Committed by Christoph Hellwig
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hpsa: change doorbell reset delay to ten seconds 



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: default avatarJustin Lindley <justin.lindley@hp.com>
Signed-off-by: default avatarStephen M. Cameron <scameron@beardog.cce.hp.com>
Reviewed-by: default avatarStephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 9233fb10

drivers/scsi/hpsa.c

+2 −2
Original line number Diff line number Diff line
@@ -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