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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Dan Murphy <dmurphy@ti.com>,
        Sriram Dash <sriram.dash@samsung.com>,
        Sean Nyekjaer <sean@geanix.com>,
        Marc Kleine-Budde <mkl@pengutronix.de>
Subject: [PATCH 5.4 37/62] can: m_can: m_can_class_unregister(): remove erroneous m_can_clk_stop()
Date:   Fri, 15 Jan 2021 13:27:59 +0100
Message-Id: <20210115122000.190143068@linuxfoundation.org>
In-Reply-To: <20210115121958.391610178@linuxfoundation.org>
References: <20210115121958.391610178@linuxfoundation.org>
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From: Marc Kleine-Budde <mkl@pengutronix.de>

commit c4aec381ab98c9189d47b935832541d520f1f67f upstream.

In m_can_class_register() the clock is started, but stopped on exit. When
calling m_can_class_unregister(), the clock is stopped a second time.

This patch removes the erroneous m_can_clk_stop() in  m_can_class_unregister().

Fixes: f524f829b75a ("can: m_can: Create a m_can platform framework")
Cc: Dan Murphy <dmurphy@ti.com>
Cc: Sriram Dash <sriram.dash@samsung.com>
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20201215103238.524029-2-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/can/m_can/m_can.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1868,8 +1868,6 @@ void m_can_class_unregister(struct m_can
 {
 	unregister_candev(m_can_dev->net);
 
-	m_can_clk_stop(m_can_dev);
-
 	free_candev(m_can_dev->net);
 }
 EXPORT_SYMBOL_GPL(m_can_class_unregister);