can: flexcan: disable clocks during stop mode
[ Upstream commit 02f71c6605
]
Disable clocks while CAN core is in stop mode.
Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20191210085721.9853-2-qiangqing.zhang@nxp.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
parent
64129ad98b
commit
7551e2f4fd
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@ -1703,8 +1703,6 @@ static int __maybe_unused flexcan_suspend(struct device *device)
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err = flexcan_chip_disable(priv);
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if (err)
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return err;
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err = pm_runtime_force_suspend(device);
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}
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netif_stop_queue(dev);
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netif_device_detach(dev);
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@ -1730,10 +1728,6 @@ static int __maybe_unused flexcan_resume(struct device *device)
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if (err)
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return err;
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} else {
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err = pm_runtime_force_resume(device);
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if (err)
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return err;
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err = flexcan_chip_enable(priv);
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}
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}
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@ -1764,8 +1758,16 @@ static int __maybe_unused flexcan_noirq_suspend(struct device *device)
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struct net_device *dev = dev_get_drvdata(device);
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struct flexcan_priv *priv = netdev_priv(dev);
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if (netif_running(dev) && device_may_wakeup(device))
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flexcan_enable_wakeup_irq(priv, true);
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if (netif_running(dev)) {
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int err;
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if (device_may_wakeup(device))
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flexcan_enable_wakeup_irq(priv, true);
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err = pm_runtime_force_suspend(device);
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if (err)
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return err;
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}
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return 0;
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}
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@ -1775,8 +1777,16 @@ static int __maybe_unused flexcan_noirq_resume(struct device *device)
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struct net_device *dev = dev_get_drvdata(device);
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struct flexcan_priv *priv = netdev_priv(dev);
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if (netif_running(dev) && device_may_wakeup(device))
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flexcan_enable_wakeup_irq(priv, false);
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if (netif_running(dev)) {
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int err;
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err = pm_runtime_force_resume(device);
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if (err)
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return err;
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if (device_may_wakeup(device))
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flexcan_enable_wakeup_irq(priv, false);
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}
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return 0;
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}
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