patch "slimbus: messaging: start transaction ids from 1 instead of zero" added to char-misc-linus

This is a note to let you know that I've just added the patch titled

slimbus: messaging: start transaction ids from 1 instead of zero

to my char-misc git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
in the char-misc-linus branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will hopefully also be merged in Linus's tree for the next -rc kernel release.

If you have any questions about this process, please let me know.

From 9659281ce78de0f15a4aa124da8f7450b1399c09 Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <[email protected]>
Date: Mon, 9 Aug 2021 09:24:25 +0100
Subject: slimbus: messaging: start transaction ids from 1 instead of zero

As tid is unsigned its hard to figure out if the tid is valid or invalid. So Start the transaction ids from 1 instead of zero so that we could differentiate between a valid tid and invalid tids

This is useful in cases where controller would add a tid for controller specific transfers.

---
 drivers/slimbus/messaging.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index f2b5d347d227..6097ddc43a35 100644
@@ -66,7 +66,7 @@ int slim_alloc_txn_tid(struct slim_controller *ctrl, struct slim_msg_txn *txn)
 	int ret = 0;
 
 	spin_lock_irqsave(&ctrl->txn_lock, flags);
-	ret = idr_alloc_cyclic(&ctrl->tid_idr, txn, 0,
+	ret = idr_alloc_cyclic(&ctrl->tid_idr, txn, 1,
 				SLIM_MAX_TIDS, GFP_ATOMIC);
 	if (ret < 0) {
 		spin_unlock_irqrestore(&ctrl->txn_lock, flags);

2.32.0