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can: m_can: make m_can_start and m_can_stop symmetric 

This moves clocks gating outside of the m_can_stop function as the
m_can_start function does not (and cannot, at least in current
implementation) ungate clocks. This way, both functions can now be used
symmetrically.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Quentin Schulz 2017-05-05 15:50:31 +02:00 committed by Marc Kleine-Budde
parent 6a792e8158
commit 8a3f3f24a8
1 changed files with 2 additions and 3 deletions
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5
drivers/net/can/m_can/m_can.c
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@ -1324,9 +1324,6 @@ static void m_can_stop(struct net_device *dev)
/* disable all interrupts */
m_can_disable_all_interrupts(priv);
clk_disable_unprepare(priv->hclk);
clk_disable_unprepare(priv->cclk);
/* set the state as STOPPED */
priv->can.state = CAN_STATE_STOPPED;
}
@ -1338,6 +1335,8 @@ static int m_can_close(struct net_device *dev)
netif_stop_queue(dev);
napi_disable(&priv->napi);
m_can_stop(dev);
clk_disable_unprepare(priv->hclk);
clk_disable_unprepare(priv->cclk);
free_irq(dev->irq, dev);
close_candev(dev);
can_led_event(dev, CAN_LED_EVENT_STOP);