Commit 3bc2afcb authored by Haibo Chen's avatar Haibo Chen Committed by Marc Kleine-Budde
Browse files

can: flexcan: avoid unbalanced pm_runtime_enable warning 



When do suspend/resume, meet the following warning message:
[   30.028336] flexcan 425b0000.can: Unbalanced pm_runtime_enable!

Balance the pm_runtime_force_suspend() and pm_runtime_force_resume().

Fixes: 8cb53b48 ("can: flexcan: add auto stop mode for IMX93 to support wakeup")
Signed-off-by: default avatarHaibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/all/20221213094351.3023858-1-haibo.chen@nxp.com


Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 115dd546

drivers/net/can/flexcan/flexcan-core.c

+9 −3
Original line number Diff line number Diff line
@@ -2349,9 +2349,15 @@ static int __maybe_unused flexcan_noirq_resume(struct device *device) 
	if (netif_running(dev)) {

		int err;



		/* For the wakeup in auto stop mode, no need to gate on the

		 * clock here, hardware will do this automatically.

		 */

		if (!(device_may_wakeup(device) &&

		      priv->devtype_data.quirks & FLEXCAN_QUIRK_AUTO_STOP_MODE)) {

			err = pm_runtime_force_resume(device);

			if (err)

				return err;

		}



		if (device_may_wakeup(device))

			flexcan_enable_wakeup_irq(priv, false);