DMA: Rework txx9dmac suspend_late()/resume_early()
This patch reworks platform driver power management code for txx9dmac from legacy late/early callbacks to dev_pm_ops. The callbacks are converted for CONFIG_SUSPEND like this: suspend_late() -> suspend_noirq() resume_early() -> resume_noirq() Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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@ -1291,17 +1291,18 @@ static void txx9dmac_shutdown(struct platform_device *pdev)
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txx9dmac_off(ddev);
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}
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static int txx9dmac_suspend_late(struct platform_device *pdev,
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pm_message_t mesg)
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static int txx9dmac_suspend_noirq(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
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txx9dmac_off(ddev);
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return 0;
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}
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static int txx9dmac_resume_early(struct platform_device *pdev)
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static int txx9dmac_resume_noirq(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
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struct txx9dmac_platform_data *pdata = pdev->dev.platform_data;
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u32 mcr;
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@ -1314,6 +1315,11 @@ static int txx9dmac_resume_early(struct platform_device *pdev)
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}
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static struct dev_pm_ops txx9dmac_dev_pm_ops = {
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.suspend_noirq = txx9dmac_suspend_noirq,
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.resume_noirq = txx9dmac_resume_noirq,
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};
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static struct platform_driver txx9dmac_chan_driver = {
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.remove = __exit_p(txx9dmac_chan_remove),
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.driver = {
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@ -1324,10 +1330,9 @@ static struct platform_driver txx9dmac_chan_driver = {
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static struct platform_driver txx9dmac_driver = {
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.remove = __exit_p(txx9dmac_remove),
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.shutdown = txx9dmac_shutdown,
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.suspend_late = txx9dmac_suspend_late,
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.resume_early = txx9dmac_resume_early,
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.driver = {
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.name = "txx9dmac",
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.pm = &txx9dmac_dev_pm_ops,
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},
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};
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