Commit 29534eb2 authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

iio: adc: stm32-dfsdm: Use pm_runtime_resume_and_get() to replace open coding. 

Found using coccicheck script under review at:
https://lore.kernel.org/lkml/20210427141946.2478411-1-Julia.Lawall@inria.fr/



This is a prequel to taking a closer look at the runtime pm in IIO drivers
in general.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Reviewed-by: default avatarFabrice Gasnier <fabrice.gasnier@foss.st.com>
Reviewed-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/20210509113354.660190-16-jic23@kernel.org
parent 265028b8

drivers/iio/adc/stm32-dfsdm-core.c

+2 −4
Original line number Diff line number Diff line
@@ -135,11 +135,9 @@ int stm32_dfsdm_start_dfsdm(struct stm32_dfsdm *dfsdm) 
	int ret;



	if (atomic_inc_return(&priv->n_active_ch) == 1) {

		ret = pm_runtime_get_sync(dev);

		if (ret < 0) {

			pm_runtime_put_noidle(dev);

		ret = pm_runtime_resume_and_get(dev);

		if (ret < 0)

			goto error_ret;

		}



		/* select clock source, e.g. 0 for "dfsdm" or 1 for "audio" */

		clk_src = priv->aclk ? 1 : 0;