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Message-ID: <20120501164220.11705.95002.stgit@beardog.cce.hp.com>
Date: Tue, 01 May 2012 11:42:20 -0500
From: "Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
To: james.bottomley@...senpartnership.com
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
stephenmcameron@...il.com, thenzl@...hat.com,
akpm@...ux-foundation.org, mikem@...rdog.cce.hp.com
Subject: [PATCH 03/17] hpsa: enable bus master bit after pci_enable_device
From: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
pci_disable_device() disables the bus master bit and pci_enable_device does
not re-enable it. It needs to be enabled.
Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
---
drivers/scsi/hpsa.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 5119ce6..de9c8f3 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3933,6 +3933,9 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h)
return err;
}
+ /* Enable bus mastering (pci_disable_device may disable this) */
+ pci_set_master(h->pdev);
+
err = pci_request_regions(h->pdev, HPSA);
if (err) {
dev_err(&h->pdev->dev,
--
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