54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Wolfgang Hottgenroth");
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MODULE_DESCRIPTION("Driver for the MainsCnt measurement hat");
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extern struct platform_driver leds_driver;
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extern struct spi_driver ls7366r_driver;
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extern struct platform_driver interrupt_driver;
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/* module loading and unloading */
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static int __init my_init(void) {
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printk("counter - Loading the leds driver...\n");
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if(platform_driver_register(&leds_driver)) {
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printk("dt_gpio - Error! Could not load leds driver\n");
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return -1;
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}
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printk("counter - Loading the ls7366r driver...\n");
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if (spi_register_driver(&ls7366r_driver)) {
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printk("counter - Error! Could not load spi driver\n");
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return -1;
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}
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printk("counter - Loading the interrupt driver...\n");
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if(platform_driver_register(&interrupt_driver)) {
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printk("dt_gpio - Error! Could not load interrupt driver\n");
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return -1;
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}
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return 0;
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}
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static void __exit my_exit(void) {
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printk("counter - Unloading the leds driver...\n");
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platform_driver_unregister(&leds_driver);
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printk("counter - Unloading the ls7366r driver...\n");
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spi_unregister_driver(&ls7366r_driver);
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printk("counter - Unloading the interrupt driver...\n");
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platform_driver_unregister(&interrupt_driver);
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}
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module_init(my_init);
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module_exit(my_exit);
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