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authorMarc Kleine-Budde <mkl@pengutronix.de>2020-12-12 18:55:16 +0100
committerMarc Kleine-Budde <mkl@pengutronix.de>2020-12-14 14:24:11 +0100
commitb8d6255548ff9a94f1fed44b01da9602861cf84a (patch)
tree01cf7564fca24e6f6f082facf59f383cdd5a1213 /drivers/net/can
parent78e19a292681c97f7e14e8feae482d6285f795cd (diff)
downloadlinux-b8d6255548ff9a94f1fed44b01da9602861cf84a.tar.gz
can: m_can: m_can_clk_start(): make use of pm_runtime_resume_and_get()
With patch

| dd8088d5a896 PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter

the usual pm_runtime_get_sync() and pm_runtime_put_noidle() in-case-of-error
dance is no longer needed. Convert the m_can driver to use this function.

Link: https://lore.kernel.org/r/20201212175518.139651-6-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
-rw-r--r--drivers/net/can/m_can/m_can.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index cf876c5ec174..f258c81db0c3 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -612,18 +612,10 @@ static int __m_can_get_berr_counter(const struct net_device *dev,
 
 static int m_can_clk_start(struct m_can_classdev *cdev)
 {
-	int err;
-
 	if (cdev->pm_clock_support == 0)
 		return 0;
 
-	err = pm_runtime_get_sync(cdev->dev);
-	if (err < 0) {
-		pm_runtime_put_noidle(cdev->dev);
-		return err;
-	}
-
-	return 0;
+	return pm_runtime_resume_and_get(cdev->dev);
 }
 
 static void m_can_clk_stop(struct m_can_classdev *cdev)