Commit c3e9b937 authored by ching Huang's avatar ching Huang Committed by Martin K. Petersen
Browse files

scsi: arcmsr: Fix ADAPTER_TYPE_B 64-bit DMA compatibility issue 



Fix ADAPTER_TYPE_B 64-bit DMA compatibility issue on some motherboards.

Signed-off-by: default avatarching Huang <ching2048@areca.com.tw>
Link: https://lore.kernel.org/r/81c1f98819dfdfa18ae4d3b854b7733af9d34ea5.camel@areca.com.tw


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 959c014f

drivers/scsi/arcmsr/arcmsr_hba.c

+2 −0
Original line number Diff line number Diff line
@@ -997,6 +997,8 @@ static int arcmsr_set_dma_mask(struct AdapterControlBlock *acb) 
		if (((acb->adapter_type == ACB_ADAPTER_TYPE_A) && !dma_mask_64) ||

		    dma_set_mask(&pcidev->dev, DMA_BIT_MASK(64)))

			goto	dma32;

		if (acb->adapter_type <= ACB_ADAPTER_TYPE_B)

			return 0;

		if (dma_set_coherent_mask(&pcidev->dev, DMA_BIT_MASK(64)) ||

		    dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(64))) {

			printk("arcmsr: set DMA 64 mask failed\n");