[PATCH 2/2] scsi: ufs: Use SYNCHRONIZE CACHE instead of FUA

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From: Asutosh Das <asutoshd@xxxxxxxxxxxxxx>

UFS devices perform better when using SYNCHRONIZE CACHE command
instead of the FUA flag. Hence this patch.

Signed-off-by: Asutosh Das <asutoshd@xxxxxxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
[ bvanassche: modified a source code comment ]
---
 drivers/ufs/core/ufshcd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index bf3cb12ef02f..461aa51cfccc 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5056,6 +5056,9 @@ static int ufshcd_slave_alloc(struct scsi_device *sdev)
 	/* WRITE_SAME command is not supported */
 	sdev->no_write_same = 1;
 
+	/* Use SYNCHRONIZE CACHE instead of FUA to improve performance */
+	sdev->sdev_bflags = BLIST_BROKEN_FUA;
+
 	ufshcd_lu_init(hba, sdev);
 
 	ufshcd_setup_links(hba, sdev);



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