ARM: S3C24XX: transform irq handling into a declarative form
The irqs available on the machine and even the bit settings in the irq registers differ a lot through all the s3c24xx subarchitectures. This results in each subarch having its own irq init which adds its specific irqs to the base ones created in plat-s3c24xx/irq.c. This of course makes a future move to devicetree hard to implement. Therefore this patch transforms the base irq handling to a declarative style, where the irq types as well as its parent/child relationship gets read from a predefined datastructure, which later on can hopefully be easily represented in devicetree too. It should also be easy to include the subarch specific irqs here in later patches, reducing code size and duplication. It should not affect anything outside of the file, as the original irq numbers and their handling are preserved (hopefully) correctly. Signed-off-by:Heiko Stuebner <heiko@sntech.de> Signed-off-by:
Kukjin Kim <kgene.kim@samsung.com>
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