diff options
| author | Justin Lindley <justin.lindley@hp.com> | 2014-05-29 10:52:47 -0500 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-06-02 09:54:52 +0200 |
| commit | 00701a96f81f4e1b7279f5e05fe02274bbe29e59 (patch) | |
| tree | 172c50a24391d93c71812d93879da504dea40e38 /drivers/scsi/hpsa.c | |
| parent | 9233fb10f35ab523f788e635ff07c355bb31bbdd (diff) | |
| download | lwn-00701a96f81f4e1b7279f5e05fe02274bbe29e59.tar.gz lwn-00701a96f81f4e1b7279f5e05fe02274bbe29e59.zip | |
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: 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>
Diffstat (limited to 'drivers/scsi/hpsa.c')
| -rw-r--r-- | drivers/scsi/hpsa.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 59e7b19a971b..e97a7c294548 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -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 |