@@ -2108,6 +2108,8 @@ void scsi_exit_queue(void)
memset(data, 0, sizeof(*data));
memset(&cmd[0], 0, 12);
+
+ dbd = sdev->set_dbd_for_ms ? 8 : dbd;
cmd[1] = dbd & 0x18; /* allows DBD and LLBA bits */
cmd[2] = modepage;
@@ -172,6 +172,7 @@ struct scsi_device {
* because we did a bus reset. */
unsigned use_10_for_rw:1; /* first try 10-byte read / write */
unsigned use_10_for_ms:1; /* first try 10-byte mode sense/select */
+ unsigned set_dbd_for_ms:1; /* Set "DBD" field in mode sense */
unsigned no_report_opcodes:1; /* no REPORT SUPPORTED OPERATION CODES */
unsigned no_write_same:1; /* no WRITE SAME command */
unsigned use_16_for_rw:1; /* Use read/write(16) over read/write(10) */
UFS JEDEC standards require DBD field to be set to 1 in mode sense command. This patch allows LLD to define the setting of DBD if required. Signed-off-by: Can Guo <cang@codeaurora.org> --- drivers/scsi/scsi_lib.c | 2 ++ include/scsi/scsi_device.h | 1 + 2 files changed, 3 insertions(+)