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authorJayamohan Kallickal <jayamohan.kallickal@emulex.com>2014-01-29 02:16:45 -0500
committerJames Bottomley <JBottomley@Parallels.com>2014-03-15 10:19:11 -0700
commit6c57625b3c08f67f562e8db3ba44bb5a27aaf7d2 (patch)
tree2d30f1221e4a4a053bfb6d87d08e76d3e7495e58 /drivers/scsi/be2iscsi
parentda3349771c7ca01415df49929b265c21bc4295c3 (diff)
downloadop-kernel-dev-6c57625b3c08f67f562e8db3ba44bb5a27aaf7d2.zip
op-kernel-dev-6c57625b3c08f67f562e8db3ba44bb5a27aaf7d2.tar.gz
[SCSI] be2iscsi : Fix DMA Out of SW-IOMMU space error
Setting DMA bit mask 64 and roll back to 32 if not supported. Signed-off-by: Minh Tran <minhduc.tran@emulex.com> Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/be2iscsi')
-rw-r--r--drivers/scsi/be2iscsi/be_main.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 7b2bd16..3cd4693 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -679,8 +679,19 @@ static int beiscsi_enable_pci(struct pci_dev *pcidev)
}
pci_set_master(pcidev);
- if (pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64))) {
- ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
+ ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64));
+ if (ret) {
+ ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
+ if (ret) {
+ dev_err(&pcidev->dev, "Could not set PCI DMA Mask\n");
+ pci_disable_device(pcidev);
+ return ret;
+ } else {
+ ret = pci_set_consistent_dma_mask(pcidev,
+ DMA_BIT_MASK(32));
+ }
+ } else {
+ ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
if (ret) {
dev_err(&pcidev->dev, "Could not set PCI DMA Mask\n");
pci_disable_device(pcidev);
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