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path: root/drivers/scsi/ufs/ufshcd.c
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Diffstat (limited to 'drivers/scsi/ufs/ufshcd.c')
-rw-r--r--drivers/scsi/ufs/ufshcd.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index f189e8a6cb1e..af1bffc1eac8 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2043,6 +2043,20 @@ int ufshcd_change_queue_depth(struct scsi_device *sdev, int depth, int reason)
}
/**
+ * ufshcd_slave_configure - adjust SCSI device configurations
+ * @sdev: pointer to SCSI device
+ */
+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;
+}
+
+/**
* ufshcd_slave_destroy - remove SCSI device configurations
* @sdev: pointer to SCSI device
*/
@@ -3145,6 +3159,7 @@ static struct scsi_host_template ufshcd_driver_template = {
.proc_name = UFSHCD,
.queuecommand = ufshcd_queuecommand,
.slave_alloc = ufshcd_slave_alloc,
+ .slave_configure = ufshcd_slave_configure,
.slave_destroy = ufshcd_slave_destroy,
.change_queue_depth = ufshcd_change_queue_depth,
.eh_abort_handler = ufshcd_abort,