Add need_tid flag to txn, this flag can be set before start of transcation.
Having this flag would avoid calling slim_tid_txn() multiple times on the
same txn. Also it is handy for controller drivers too.

Signed-off-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
---
 drivers/slimbus/slimbus.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/slimbus/slimbus.h b/drivers/slimbus/slimbus.h
index 79f8e05d92dd..3ec5a85fba8e 100644
--- a/drivers/slimbus/slimbus.h
+++ b/drivers/slimbus/slimbus.h
@@ -102,6 +102,7 @@ struct slim_framer {
  * @msg: Elemental access message to be read/written
  * @comp: completion if read/write is synchronous, used internally
  *     for tid based transactions.
+ * @need_tid: flag indicating if a tid is required for this txn
  */
 struct slim_msg_txn {
        u8                      rl;
@@ -113,6 +114,7 @@ struct slim_msg_txn {
        u8                      la;
        struct slim_val_inf     *msg;
        struct  completion      *comp;
+       bool                    need_tid;
 };
 
 /* Frequently used message transaction structures */
-- 
2.16.2

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