diff options
| author | Rolf Eike Beer <eike-kernel@sf-tec.de> | 2009-07-01 22:43:39 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-28 09:06:19 -0500 |
| commit | 0dcae66fd9cb47f4db64aba20a59d26e09e78fe4 (patch) | |
| tree | ddcdff0c6b455244a9def09245b910e66d244adb /drivers/scsi/aacraid | |
| parent | 0c470874858e0075f420dcfb3c3570b2057de275 (diff) | |
| download | lwn-0dcae66fd9cb47f4db64aba20a59d26e09e78fe4.tar.gz lwn-0dcae66fd9cb47f4db64aba20a59d26e09e78fe4.zip | |
[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>
Diffstat (limited to 'drivers/scsi/aacraid')
| -rw-r--r-- | drivers/scsi/aacraid/linit.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 33898b61fdb5..cad6f9abaeb9 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); |