linux-kernel - [PATCH v1] remoteproc: core: do pm relax when not first crash

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Date:   Fri, 9 Sep 2022 16:33:33 +0800
From:   Maria Yu <quic_aiquny@...cinc.com>
To:     <bjorn.andersson@...aro.org>, <mathieu.poirier@...aro.org>
CC:     Maria Yu <quic_aiquny@...cinc.com>,
        <linux-remoteproc@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <quic_clew@...cinc.com>
Subject: [PATCH v1] remoteproc: core: do pm relax when not first crash

Even if it is not first crash, need to relax the pm
wakelock otherwise the device will stay awake.

Signed-off-by: Maria Yu <quic_aiquny@...cinc.com>
---
 drivers/remoteproc/remoteproc_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index e5279ed9a8d7..30078043e939 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1956,6 +1956,7 @@ static void rproc_crash_handler_work(struct work_struct *work)
 	if (rproc->state == RPROC_CRASHED || rproc->state == RPROC_OFFLINE) {
 		/* handle only the first crash detected */
 		mutex_unlock(&rproc->lock);
+		pm_relax(rproc->dev.parent);
 		return;
 	}
 
-- 
2.7.4