linux-kernel - [PATCH v2 04/15] firmware: imx-dsp: Use mbox_ring

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Message-ID: <20260207200128.v2.4.I4a571bdd344dfe8e819cfcba37ccd0ec29284e49@changeid>
Date: Sat,  7 Feb 2026 20:01:26 -0800
From: Douglas Anderson <dianders@...omium.org>
To: jassisinghbrar@...il.com
Cc: Douglas Anderson <dianders@...omium.org>,
	Frank.Li@....com,
	Sascha Hauer <s.hauer@...gutronix.de>,
	festevam@...il.com,
	imx@...ts.linux.dev,
	kernel@...gutronix.de,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 04/15] firmware: imx-dsp: 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 messages, so the transition is
straightforward.

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

(no changes since v1)

 drivers/firmware/imx/imx-dsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/imx/imx-dsp.c b/drivers/firmware/imx/imx-dsp.c
index ed79e823157a..231e9f841226 100644
--- a/drivers/firmware/imx/imx-dsp.c
+++ b/drivers/firmware/imx/imx-dsp.c
@@ -30,7 +30,7 @@ int imx_dsp_ring_doorbell(struct imx_dsp_ipc *ipc, unsigned int idx)
 		return -EINVAL;
 
 	dsp_chan = &ipc->chans[idx];
-	ret = mbox_send_message(dsp_chan->ch, NULL);
+	ret = mbox_ring_doorbell(dsp_chan->ch);
 	if (ret < 0)
 		return ret;
 
-- 
2.53.0.rc2.204.g2597b5adb4-goog