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still works after split

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This commit is contained in:
Wolfgang Hottgenroth
2025-06-13 12:13:28 +01:00
parent a6c4370fc4
commit e8f5493e5d
8 changed files with 397 additions and 360 deletions
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53
driver/init.c Normal file
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#include <linux/module.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Wolfgang Hottgenroth");
MODULE_DESCRIPTION("A simple LKM to parse the device tree for a specific device and its properties");
extern struct platform_driver leds_driver;
extern struct spi_driver ls7366r_driver;
extern struct platform_driver interrupt_driver;
/* module loading and unloading */
static int __init my_init(void) {
printk("counter - Loading the leds driver...\n");
if(platform_driver_register(&leds_driver)) {
printk("dt_gpio - Error! Could not load leds driver\n");
return -1;
}
printk("counter - Loading the ls7366r driver...\n");
if (spi_register_driver(&ls7366r_driver)) {
printk("counter - Error! Could not load spi driver\n");
return -1;
}
printk("counter - Loading the interrupt driver...\n");
if(platform_driver_register(&interrupt_driver)) {
printk("dt_gpio - Error! Could not load interrupt driver\n");
return -1;
}
return 0;
}
static void __exit my_exit(void) {
printk("counter - Unloading the leds driver...\n");
platform_driver_unregister(&leds_driver);
printk("counter - Unloading the ls7366r driver...\n");
spi_unregister_driver(&ls7366r_driver);
printk("counter - Unloading the interrupt driver...\n");
platform_driver_unregister(&interrupt_driver);
}
module_init(my_init);
module_exit(my_exit);