Implement an IRQ Interrupt Handler in a Linux Kernel Driver (Full Guide)
Interrupts are vital for real-time responsiveness in Linux kernel modules. Whether you’re writing drivers for GPIOs, network … Read more
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IRQ Handler
setup_irq vs request_irq in Modern Linux
setup_irq belongs to historical early-platform code. Current device drivers should register handlers with request_irq, request_threaded_irq, or a device-managed wrapper.