修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/drivers/i2c/busses/i2c-eg20t.c
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@@ -1,14 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
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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 as published by
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- * the Free Software Foundation; version 2 of the License.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #include <linux/module.h>
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@@ -854,11 +846,10 @@
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 	kfree(adap_info);
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 }
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-#ifdef CONFIG_PM
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-static int pch_i2c_suspend(struct pci_dev *pdev, pm_message_t state)
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+static int __maybe_unused pch_i2c_suspend(struct device *dev)
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 {
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-	int ret;
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 	int i;
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+	struct pci_dev *pdev = to_pci_dev(dev);
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 	struct adapter_info *adap_info = pci_get_drvdata(pdev);
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 	void __iomem *p = adap_info->pch_data[0].pch_base_address;
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@@ -880,34 +871,13 @@
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 		ioread32(p + PCH_I2CSR), ioread32(p + PCH_I2CBUFSTA),
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 		ioread32(p + PCH_I2CESRSTA));
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-	ret = pci_save_state(pdev);
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-
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-	if (ret) {
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-		pch_pci_err(pdev, "pci_save_state\n");
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-		return ret;
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-	}
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-
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-	pci_enable_wake(pdev, PCI_D3hot, 0);
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-	pci_disable_device(pdev);
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-	pci_set_power_state(pdev, pci_choose_state(pdev, state));
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-
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 	return 0;
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 }
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-static int pch_i2c_resume(struct pci_dev *pdev)
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+static int __maybe_unused pch_i2c_resume(struct device *dev)
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 {
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 	int i;
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-	struct adapter_info *adap_info = pci_get_drvdata(pdev);
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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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-
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-	if (pci_enable_device(pdev) < 0) {
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-		pch_pci_err(pdev, "pch_i2c_resume:pci_enable_device FAILED\n");
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-		return -EIO;
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-	}
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-
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-	pci_enable_wake(pdev, PCI_D3hot, 0);
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+	struct adapter_info *adap_info = dev_get_drvdata(dev);
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 	for (i = 0; i < adap_info->ch_num; i++)
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 		pch_i2c_init(&adap_info->pch_data[i]);
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@@ -916,18 +886,15 @@
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 	return 0;
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 }
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-#else
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-#define pch_i2c_suspend NULL
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-#define pch_i2c_resume NULL
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-#endif
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+
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+static SIMPLE_DEV_PM_OPS(pch_i2c_pm_ops, pch_i2c_suspend, pch_i2c_resume);
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 static struct pci_driver pch_pcidriver = {
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 	.name = KBUILD_MODNAME,
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 	.id_table = pch_pcidev_id,
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 	.probe = pch_i2c_probe,
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 	.remove = pch_i2c_remove,
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-	.suspend = pch_i2c_suspend,
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-	.resume = pch_i2c_resume
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+	.driver.pm = &pch_i2c_pm_ops,
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 };
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 module_pci_driver(pch_pcidriver);