linux-kernel - [PATCH 2/2] remoteproc: qcom_q6v5_wcss: use optional reset for wcss_q6_bcr

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Message-ID: <20251129013207.3981517-2-mr.nuke.me@gmail.com>
Date: Fri, 28 Nov 2025 19:32:06 -0600
From: Alexandru Gagniuc <mr.nuke.me@...il.com>
To: andersson@...nel.org,
	mathieu.poirier@...aro.org,
	linux-arm-msm@...r.kernel.org,
	linux-remoteproc@...r.kernel.org,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-kernel@...r.kernel.org,
	Alexandru Gagniuc <mr.nuke.me@...il.com>
Subject: [PATCH 2/2] remoteproc: qcom_q6v5_wcss: use optional reset for wcss_q6_bcr_reset

The "wcss_q6_bcr_reset" is not used on IPQ8074, and IPQ6018. Use
devm_reset_control_get_optional_exclusive() for this reset so that
probe() does not fail on platforms where it is not used.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@...il.com>
---
 drivers/remoteproc/qcom_q6v5_wcss.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index 23ec87827d4f8..6e28744ce3f75 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -811,7 +811,8 @@ static int q6v5_wcss_init_reset(struct q6v5_wcss *wcss,
 		}
 	}
 
-	wcss->wcss_q6_bcr_reset = devm_reset_control_get_exclusive(dev, "wcss_q6_bcr_reset");
+	wcss->wcss_q6_bcr_reset = devm_reset_control_get_optional_exclusive(dev,
+							"wcss_q6_bcr_reset");
 	if (IS_ERR(wcss->wcss_q6_bcr_reset)) {
 		dev_err(wcss->dev, "unable to acquire wcss_q6_bcr_reset\n");
 		return PTR_ERR(wcss->wcss_q6_bcr_reset);
-- 
2.45.1