add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/misc/cb710/core.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  cb710/core.c
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  *
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  *  Copyright by Michał Mirosław, 2008-2009
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/kernel.h>
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 #include <linux/module.h>
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@@ -169,36 +166,23 @@
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 }
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 EXPORT_SYMBOL_GPL(cb710_set_irq_handler);
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-#ifdef CONFIG_PM
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-
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-static int cb710_suspend(struct pci_dev *pdev, pm_message_t state)
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+static int __maybe_unused cb710_suspend(struct device *dev_d)
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 {
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+	struct pci_dev *pdev = to_pci_dev(dev_d);
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 	struct cb710_chip *chip = pci_get_drvdata(pdev);
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 	devm_free_irq(&pdev->dev, pdev->irq, chip);
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-	pci_save_state(pdev);
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-	pci_disable_device(pdev);
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-	if (state.event & PM_EVENT_SLEEP)
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-		pci_set_power_state(pdev, PCI_D3hot);
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 	return 0;
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 }
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-static int cb710_resume(struct pci_dev *pdev)
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+static int __maybe_unused cb710_resume(struct device *dev_d)
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 {
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+	struct pci_dev *pdev = to_pci_dev(dev_d);
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 	struct cb710_chip *chip = pci_get_drvdata(pdev);
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-	int err;
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-
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-	pci_set_power_state(pdev, PCI_D0);
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-	pci_restore_state(pdev);
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-	err = pcim_enable_device(pdev);
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-	if (err)
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-		return err;
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 	return devm_request_irq(&pdev->dev, pdev->irq,
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 		cb710_irq_handler, IRQF_SHARED, KBUILD_MODNAME, chip);
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 }
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-
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-#endif /* CONFIG_PM */
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 static int cb710_probe(struct pci_dev *pdev,
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 	const struct pci_device_id *ent)
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@@ -315,15 +299,14 @@
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 	{ 0, }
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 };
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+static SIMPLE_DEV_PM_OPS(cb710_pm_ops, cb710_suspend, cb710_resume);
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+
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 static struct pci_driver cb710_driver = {
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 	.name = KBUILD_MODNAME,
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 	.id_table = cb710_pci_tbl,
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 	.probe = cb710_probe,
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 	.remove = cb710_remove_one,
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-#ifdef CONFIG_PM
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-	.suspend = cb710_suspend,
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-	.resume = cb710_resume,
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-#endif
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+	.driver.pm = &cb710_pm_ops,
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 };
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 static int __init cb710_init_module(void)