cpuidle: use the driver's state_count as default (fc850f39) · Commits · 戴 / test

If the state_count is not initialized for the device use the driver's state count as the default. That will prevent to add it manually in the cpuidle driver initialization routine and will save us from duplicate line of code. Signed-off-by:

Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by:

Len Brown <len.brown@intel.com>

drivers/cpuidle/cpuidle.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -268,7 +268,7 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
		if (!drv \|\| !cpuidle_curr_governor)
		return -EIO;
		if (!dev->state_count)
		return -EINVAL;
		dev->state_count = drv->state_count;

		if (dev->registered == 0) {
		ret = __cpuidle_register_device(dev);

drivers/cpuidle/driver.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -47,7 +47,7 @@ static void __cpuidle_register_driver(struct cpuidle_driver *drv)
		*/
		int cpuidle_register_driver(struct cpuidle_driver *drv)
		{
		if (!drv)
		if (!drv \|\| !drv->state_count)
		return -EINVAL;

		if (cpuidle_disabled())

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