scsi_add_host sets shost_gendev.parent->max_segment_size to enables
iommu code to merge sg lists properly about lld's max segment size
limit.
Signed-off-by: FUJITA Tomonori <[EMAIL PROTECTED]>
---
drivers/scsi/hosts.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 22877d3..a71a836 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -206,6 +206,9 @@ int scsi_add_host(struct Scsi_Host *shost, struct device
*dev)
if (!shost->shost_gendev.parent)
shost->shost_gendev.parent = dev ? dev : &platform_bus;
+ if (dev)
+ dev->max_segment_size = shost->dma_max_segment_size;
+
error = device_add(&shost->shost_gendev);
if (error)
goto out;
--
1.5.2.4
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