linux-kernel - [PATCH v2 07/15] remoteproc: xlnx: Use mbox_ring

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Message-ID: <20260207200128.v2.7.I90e87b8f7d6ddccfa0372bb96d196d2d9d7685db@changeid>
Date: Sat,  7 Feb 2026 20:01:29 -0800
From: Douglas Anderson <dianders@...omium.org>
To: jassisinghbrar@...il.com
Cc: Douglas Anderson <dianders@...omium.org>,
	andersson@...nel.org,
	linux-kernel@...r.kernel.org,
	linux-remoteproc@...r.kernel.org,
	mathieu.poirier@...aro.org
Subject: [PATCH v2 07/15] remoteproc: xlnx: Use mbox_ring_doorbell() instead of NULL message

As per the patch ("mailbox: Deprecate NULL mbox messages; Introduce
mbox_ring_doorbell()"), we want to switch all users of NULL mailbox
messages to use mbox_ring_doorbell().

This client only ever sent NULL message on the rx channel, so the
transition is straightforward.

Signed-off-by: Douglas Anderson <dianders@...omium.org>
---

(no changes since v1)

 drivers/remoteproc/xlnx_r5_remoteproc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c
index a7b75235f53e..de807247e9c9 100644
--- a/drivers/remoteproc/xlnx_r5_remoteproc.c
+++ b/drivers/remoteproc/xlnx_r5_remoteproc.c
@@ -245,7 +245,7 @@ static void zynqmp_r5_mb_rx_cb(struct mbox_client *cl, void *msg)
 	memcpy(buf_msg->data, ipi_msg->data, len);
 
 	/* received and processed interrupt ack */
-	if (mbox_send_message(ipi->rx_chan, NULL) < 0)
+	if (mbox_ring_doorbell(ipi->rx_chan) < 0)
 		dev_err(cl->dev, "ack failed to mbox rx_chan\n");
 
 	schedule_work(&ipi->mbox_work);
-- 
2.53.0.rc2.204.g2597b5adb4-goog