[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>
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 @@
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 @@
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);
