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can: m_can: m_can_clk_start(): make use of pm_runtime_resume_and_get()

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With patch

| dd8088d5a8 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>
This commit is contained in:
Marc Kleine-Budde
2020-12-12 18:55:16 +01:00
parent 78e19a2926
commit b8d6255548
1 changed files with 1 additions and 9 deletions
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10
drivers/net/can/m_can/m_can.c
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@@ -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)