* [PATCH 5/6] scsi/hpsa: Disable ASPM
[not found] <1321027511-31229-1-git-send-email-mjg@redhat.com>
@ 2011-11-11 16:05 ` Matthew Garrett
0 siblings, 0 replies; only message in thread
From: Matthew Garrett @ 2011-11-11 16:05 UTC (permalink / raw)
To: linux-kernel; +Cc: Matthew Garrett, scameron, iss_storagedev, linux-scsi
The Windows driver .inf disables ASPM on hpsa devices. Do the same.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: scameron@beardog.cce.hp.com
Cc: iss_storagedev@hp.com
Cc: linux-scsi@vger.kernel.org
---
drivers/scsi/hpsa.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index e76107b..fc2f4c4 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3922,6 +3922,10 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
return -ENODEV;
}
+
+ pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+ PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+
err = pci_enable_device(h->pdev);
if (err) {
dev_warn(&h->pdev->dev, "unable to enable PCI device\n");
--
1.7.7.1
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[not found] <1321027511-31229-1-git-send-email-mjg@redhat.com>
2011-11-11 16:05 ` [PATCH 5/6] scsi/hpsa: Disable ASPM Matthew Garrett
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