Commit 552a990c authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Martin K. Petersen
Browse files

scsi: ufshcd: set max_segment_size in the scsi host template 



We need to also mirror the value to the device to ensure IOMMU merging
doesn't undo it, and the SCSI host level parameter will ensure that.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent bdd17bde

drivers/scsi/ufs/ufshcd.c

+1 −2
Original line number Diff line number Diff line
@@ -4586,8 +4586,6 @@ static int ufshcd_slave_configure(struct scsi_device *sdev) 
	struct request_queue *q = sdev->request_queue;



	blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1);

	blk_queue_max_segment_size(q, PRDT_DATA_BYTE_COUNT_MAX);



	return 0;

}
@@ -7021,6 +7019,7 @@ static struct scsi_host_template ufshcd_driver_template = { 
	.sg_tablesize		= SG_ALL,

	.cmd_per_lun		= UFSHCD_CMD_PER_LUN,

	.can_queue		= UFSHCD_CAN_QUEUE,

	.max_segment_size	= PRDT_DATA_BYTE_COUNT_MAX,

	.max_host_blocked	= 1,

	.track_queue_depth	= 1,

	.sdev_groups		= ufshcd_driver_groups,

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