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Commit ff43728c authored by Tony Lindgren's avatar Tony Lindgren
Browse files

bus: ti-sysc: Move legacy platform data idling into separate functions 



Let's move the legacy idle and enable into separate functions to simplify
PM runtime functions a bit.

Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent b7182b42

drivers/bus/ti-sysc.c

+50 −28
Original line number Diff line number Diff line
@@ -622,18 +622,12 @@ static void sysc_show_registers(struct sysc *ddata) 
		buf);

}



static int __maybe_unused sysc_runtime_suspend(struct device *dev)

static int __maybe_unused sysc_runtime_suspend_legacy(struct device *dev,

						      struct sysc *ddata)

{

	struct ti_sysc_platform_data *pdata;

	struct sysc *ddata;

	int error = 0, i;



	ddata = dev_get_drvdata(dev);



	if (!ddata->enabled)

		return 0;

	int error;



	if (ddata->legacy_mode) {

	pdata = dev_get_platdata(ddata->dev);

	if (!pdata)

		return 0;
@@ -646,7 +640,46 @@ static int __maybe_unused sysc_runtime_suspend(struct device *dev) 
		dev_err(dev, "%s: could not idle: %i\n",

			__func__, error);



		goto idled;

	return 0;

}



static int __maybe_unused sysc_runtime_resume_legacy(struct device *dev,

						     struct sysc *ddata)

{

	struct ti_sysc_platform_data *pdata;

	int error;



	pdata = dev_get_platdata(ddata->dev);

	if (!pdata)

		return 0;



	if (!pdata->enable_module)

		return -ENODEV;



	error = pdata->enable_module(dev, &ddata->cookie);

	if (error)

		dev_err(dev, "%s: could not enable: %i\n",

			__func__, error);



	return 0;

}



static int __maybe_unused sysc_runtime_suspend(struct device *dev)

{

	struct sysc *ddata;

	int error = 0, i;



	ddata = dev_get_drvdata(dev);



	if (!ddata->enabled)

		return 0;



	if (ddata->legacy_mode) {

		error = sysc_runtime_suspend_legacy(dev, ddata);

		if (!error)

			ddata->enabled = false;



		return error;

	}



	for (i = 0; i < ddata->nr_clocks; i++) {
@@ -659,7 +692,6 @@ static int __maybe_unused sysc_runtime_suspend(struct device *dev) 
		clk_disable(ddata->clocks[i]);

	}



idled:

	ddata->enabled = false;



	return error;
@@ -667,7 +699,6 @@ static int __maybe_unused sysc_runtime_suspend(struct device *dev) 


static int __maybe_unused sysc_runtime_resume(struct device *dev)

{

	struct ti_sysc_platform_data *pdata;

	struct sysc *ddata;

	int error = 0, i;
@@ -677,19 +708,11 @@ static int __maybe_unused sysc_runtime_resume(struct device *dev) 
		return 0;



	if (ddata->legacy_mode) {

		pdata = dev_get_platdata(ddata->dev);

		if (!pdata)

			return 0;



		if (!pdata->enable_module)

			return -ENODEV;



		error = pdata->enable_module(dev, &ddata->cookie);

		if (error)

			dev_err(dev, "%s: could not enable: %i\n",

				__func__, error);

		error = sysc_runtime_resume_legacy(dev, ddata);

		if (!error)

			ddata->enabled = true;



		goto awake;

		return error;

	}



	for (i = 0; i < ddata->nr_clocks; i++) {
@@ -704,7 +727,6 @@ static int __maybe_unused sysc_runtime_resume(struct device *dev) 
			return error;

	}



awake:

	ddata->enabled = true;



	return error;