100 lines
2.0 KiB
C
100 lines
2.0 KiB
C
/*
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* devicemodel.c
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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struct devicemodel_data {
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char *greeting;
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int number;
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};
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static int devicemodel_probe(struct platform_device *dev)
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{
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struct devicemodel_data *pd =
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(struct devicemodel_data *) (dev->dev.platform_data);
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pr_info("devicemodel probe\n");
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pr_info("devicemodel greeting: %s; %d\n", pd->greeting, pd->number);
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/* Your device initialization code */
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return 0;
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}
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static int devicemodel_remove(struct platform_device *dev)
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{
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pr_info("devicemodel example removed\n");
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/* Your device removal code */
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return 0;
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}
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static int devicemodel_suspend(struct device *dev)
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{
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pr_info("devicemodel example suspend\n");
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/* Your device suspend code */
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return 0;
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}
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static int devicemodel_resume(struct device *dev)
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{
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pr_info("devicemodel example resume\n");
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/* Your device resume code */
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return 0;
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}
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static const struct dev_pm_ops devicemodel_pm_ops = {
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.suspend = devicemodel_suspend,
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.resume = devicemodel_resume,
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.poweroff = devicemodel_suspend,
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.freeze = devicemodel_suspend,
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.thaw = devicemodel_resume,
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.restore = devicemodel_resume,
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};
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static struct platform_driver devicemodel_driver = {
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.driver =
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{
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.name = "devicemodel_example",
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.owner = THIS_MODULE,
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.pm = &devicemodel_pm_ops,
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},
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.probe = devicemodel_probe,
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.remove = devicemodel_remove,
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};
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static int devicemodel_init(void)
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{
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int ret;
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pr_info("devicemodel init\n");
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ret = platform_driver_register(&devicemodel_driver);
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if (ret) {
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pr_err("Unable to register driver\n");
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return ret;
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}
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return 0;
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}
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static void devicemodel_exit(void)
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{
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pr_info("devicemodel exit\n");
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platform_driver_unregister(&devicemodel_driver);
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}
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module_init(devicemodel_init);
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module_exit(devicemodel_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Linux Device Model example");
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