Re: [PATCH] iio: adc: ti-ads1015: fix conversion when CONFIG_PM is not set

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In case of CONFIG_PM is not set:

static inline int __pm_runtime_suspend(struct device *dev, int rpmflags)
{
	return -ENOSYS;
}

and ads1015_read_raw failed at:

		ret = ads1015_set_power_state(data, false);
		if (ret < 0)
			goto release_direct;

29.07.2020 11:21, Andy Shevchenko wrote:
On Wed, Jul 29, 2020 at 10:59:07AM +0300, Maxim Kochetkov wrote:
To stop conversion ads1015_set_power_state function use unimplemented
function pm_runtime_put_autosuspend if CONFIG_PM is not set.
If CONFIG_PM is disabled, there is no need to start/stop conversion.
Fix it by adding return 0 function variant if CONFIG_PM is not set.

I'm wondering if you check the real code (assembly) for any difference.

All calls AFAICS are statically defined in !CONFIG_PM case and compiler/linker
should be clever enough to drop this completely. Isn't it the case?




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