Hi all.
I am working on registering a gpio interrupt in the u-boot. I am using the a Armv7 ( Arm cortex A9) platform. My question is about registering a IRQ handler for the interrupt. I tried writing the function pointer of my IRQ directly to Interrupt vector table ( which is at 0xFFFF0000 in my case and my interrupt id is 56 and i calculated the address accordingly). What does thie CONFIG_USE_IRQ do and what is the purpose of the do_irq function and in short how can i register a IRQ for this particular HW interrupt. I am used to the higher level api's in the linux kernel and the lack of those api's in u-boot is giving a hard time for me ;). So kindly help me with this question
Cheers, S
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