patch "mei: request autosuspend after sending rx flow control" added to char-misc-linus

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

mei: request autosuspend after sending rx flow control

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 bbf0a94744edfeee298e4a9ab6fd694d639a5cdf Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <[email protected]>
Date: Wed, 26 May 2021 22:33:34 +0300
Subject: mei: request autosuspend after sending rx flow control

A rx flow control waiting in the control queue may block autosuspend. Re-request autosuspend after flow control been sent to unblock the transition to the low power state.

---
 drivers/misc/mei/interrupt.c | 3 +++
 1 file changed, 3 insertions(+)

index a98f6b895af7..aab3ebfa9fc4 100644
@@ -277,6 +277,9 @@ static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb,
 		return ret;
 	}
 
+	pm_runtime_mark_last_busy(dev->dev);
+	pm_request_autosuspend(dev->dev);
+
 	list_move_tail(&cb->list, &cl->rd_pending);
 
 	return 0;

2.31.1