Patchwork [v2,RESEND,09/23] hpsa: Fallback to MSI rather than to INTx if MSI-X failed

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Submitter Alexander Gordeev
Date April 14, 2014, 8:05 a.m.
Message ID <64b6a6be460852a10c2af382f0037bb20062f57a.1397461652.git.agordeev@redhat.com>
Download mbox | patch
Permalink /patch/338851/
State Not Applicable
Headers show

Comments

Alexander Gordeev - April 14, 2014, 8:05 a.m.
Currently the driver falls back to INTx mode when MSI-X
initialization failed. This is a suboptimal behaviour
for chips that also support MSI. This update changes that
behaviour and falls back to MSI mode in case MSI-X mode
initialization failed.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
Cc: iss_storagedev@hp.com
Cc: linux-scsi@vger.kernel.org
Cc: linux-pci@vger.kernel.org
---
 drivers/scsi/hpsa.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

Patch

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 8cf4a0c..3284edb 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -6162,7 +6162,6 @@  static void hpsa_interrupt_mode(struct ctlr_info *h)
 			dev_warn(&h->pdev->dev, "MSI-X init failed %d\n",
 			       err);
 			h->msix_vector = 0;
-			goto default_int_mode;
 		}
 	}
 	if (pci_find_capability(h->pdev, PCI_CAP_ID_MSI)) {