On Thu, Aug 30, 2018 at 05:45:08PM +0200, Philipp Rossak wrote:
> Different sensors will have different suspend and resume functions. So
> we are modularize the suspend and resume functions.
>
> The resume function configures and initializes the thermal sensor and
> the suspend function disables the sensors.
>
> Signed-off-by: Philipp Rossak
> ---
> drivers/iio/adc/sun4i-gpadc-iio.c | 20
> 1 file changed, 20 insertions(+)
>
> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c
> b/drivers/iio/adc/sun4i-gpadc-iio.c
> index 2fd73d143815..c7b46c82e3e5 100644
> --- a/drivers/iio/adc/sun4i-gpadc-iio.c
> +++ b/drivers/iio/adc/sun4i-gpadc-iio.c
> @@ -76,6 +76,9 @@ struct gpadc_data {
>
> static irqreturn_t sun4i_gpadc_data_irq_handler(int irq, void *dev_id);
>
> +static int sun4i_ths_resume(struct sun4i_gpadc_iio *info);
> +static int sun4i_ths_suspend(struct sun4i_gpadc_iio *info);
> +
> static const struct gpadc_data sun4i_gpadc_data = {
> .temp_offset = -1932,
> .temp_scale = 133,
> @@ -87,6 +90,8 @@ static const struct gpadc_data sun4i_gpadc_data = {
> .ths_irq_thread = sun4i_gpadc_data_irq_handler,
> .support_irq = true,
> .temp_data_base = SUN4I_GPADC_TEMP_DATA,
> + .ths_resume = sun4i_ths_resume,
> + .ths_suspend = sun4i_ths_suspend,
> .sensor_count = 1,
> };
>
> @@ -101,6 +106,8 @@ static const struct gpadc_data sun5i_gpadc_data = {
> .ths_irq_thread = sun4i_gpadc_data_irq_handler,
> .support_irq = true,
> .temp_data_base = SUN4I_GPADC_TEMP_DATA,
> + .ths_resume = sun4i_ths_resume,
> + .ths_suspend = sun4i_ths_suspend,
> .sensor_count = 1,
> };
>
> @@ -115,6 +122,8 @@ static const struct gpadc_data sun6i_gpadc_data = {
> .ths_irq_thread = sun4i_gpadc_data_irq_handler,
> .support_irq = true,
> .temp_data_base = SUN4I_GPADC_TEMP_DATA,
> + .ths_resume = sun4i_ths_resume,
> + .ths_suspend = sun4i_ths_suspend,
> .sensor_count = 1,
> };
>
> @@ -123,6 +132,8 @@ static const struct gpadc_data sun8i_a33_gpadc_data = {
> .temp_scale = 162,
> .tp_mode_en = SUN8I_A33_GPADC_CTRL1_CHOP_TEMP_EN,
> .temp_data_base = SUN4I_GPADC_TEMP_DATA,
> + .ths_resume = sun4i_ths_resume,
> + .ths_suspend = sun4i_ths_suspend,
> .sensor_count = 1,
> };
>
> @@ -401,6 +412,11 @@ static irqreturn_t sun4i_gpadc_data_irq_handler(int irq,
> void *dev_id)
> static int sun4i_gpadc_runtime_suspend(struct device *dev)
> {
> struct sun4i_gpadc_iio *info = iio_priv(dev_get_drvdata(dev));
> + return info->data->ths_suspend(info);
> +}
> +
> +static int sun4i_ths_suspend(struct sun4i_gpadc_iio *info)
suspend is already a hook in the kernel, which hasn't the same meaning
than runtime_suspend (and the same applies to resume), so we'd rather
pick a better name. And all the functions (and the driver) use gpadc,
please continue to use that prefix.
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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