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authorRolf Eike Beer <eike-kernel@sf-tec.de>2009-07-01 22:43:39 +0200
committerJames Bottomley <James.Bottomley@suse.de>2010-07-28 09:06:19 -0500
commit0dcae66fd9cb47f4db64aba20a59d26e09e78fe4 (patch)
treeddcdff0c6b455244a9def09245b910e66d244adb
parent0c470874858e0075f420dcfb3c3570b2057de275 (diff)
[SCSI] aacraid: Do not set DMA mask to 32 bit first if adapter only supports 31
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de> Acked-by: Achim Leubner <Achim_Leubner@pmc-sierra.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
-rw-r--r--drivers/scsi/aacraid/linit.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 33898b61..cad6f9a 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1091,6 +1091,7 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
struct list_head *insert = &aac_devices;
int error = -ENODEV;
int unique_id = 0;
+ u64 dmamask;
list_for_each_entry(aac, &aac_devices, entry) {
if (aac->id > unique_id)
@@ -1104,17 +1105,18 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
goto out;
error = -ENODEV;
- if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) ||
- pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
- goto out_disable_pdev;
/*
* If the quirk31 bit is set, the adapter needs adapter
* to driver communication memory to be allocated below 2gig
*/
if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
- if (pci_set_dma_mask(pdev, DMA_BIT_MASK(31)) ||
- pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(31)))
- goto out_disable_pdev;
+ dmamask = DMA_BIT_MASK(31);
+ else
+ dmamask = DMA_BIT_MASK(32);
+
+ if (pci_set_dma_mask(pdev, dmamask) ||
+ pci_set_consistent_dma_mask(pdev, dmamask))
+ goto out_disable_pdev;
pci_set_master(pdev);