Re: Regression introduced by 6f381fa344911d5a234b13574433cf23036f9467 [[SCSI] scsi_lib: use correct DMA device in __scsi_alloc_queue]

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

> > reverting above mentioned git commit fixes the issue.
> 
> Does Jame's below patch help?
> 
> http://www.spinics.net/lists/linux-scsi/msg59106.html

Yes.  please add Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
on the latter part of that patch:


diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 351dc0b..a3a056a 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -218,6 +218,9 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
 
 	if (!shost->shost_gendev.parent)
 		shost->shost_gendev.parent = dev ? dev : &platform_bus;
+	if (!dma_dev)
+		dma_dev = shost->shost_gendev.parent;
+
 	shost->dma_dev = dma_dev;
 
 	error = device_add(&shost->shost_gendev);