Created
October 12, 2022 12:44
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Get HW IRQ number from Linux IRQ
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| static long long irq_to_hwirq(unsigned int irq) | |
| { | |
| struct irq_data *irq_data; | |
| irq_data = irq_get_irq_data(irq); | |
| if (irq_data == NULL) | |
| { | |
| pr_err("driver: unable to find irq %u descriptor.\n", irq); | |
| return -EINVAL; | |
| } | |
| return irqd_to_hwirq(irq_data); | |
| } |
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