linux-kernel - [PATCH] remoteproc: qcom_q6v5: don't auto boot remote processor

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Message-Id: <20180524192141.20323-1-ramon.fried@gmail.com>
Date:   Thu, 24 May 2018 22:21:41 +0300
From:   Ramon Fried <ramon.fried@...il.com>
To:     bjorn.andersson@...aro.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Ramon Fried <ramon.fried@...il.com>
Subject: [PATCH] remoteproc: qcom_q6v5: don't auto boot remote processor

Sometimes that rmtfs userspace module is not brought
up fast enough and the modem crashes.
disabling automated boot in the driver and triggering
the boot from user-space sovles the problem.

Signed-off-by: Ramon Fried <ramon.fried@...il.com>
---
 drivers/remoteproc/qcom_q6v5_pil.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c
index cbbafdcaaecb..719ee96445b3 100644
--- a/drivers/remoteproc/qcom_q6v5_pil.c
+++ b/drivers/remoteproc/qcom_q6v5_pil.c
@@ -1133,6 +1133,8 @@ static int q6v5_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	rproc->auto_boot = false;
+
 	qproc = (struct q6v5 *)rproc->priv;
 	qproc->dev = &pdev->dev;
 	qproc->rproc = rproc;
-- 
2.17.0