powerpc: Correct parport interrupt parsing
Currently the parsing of the device tree in arch/powerpc/include/asm/parport.h assumes that the interrupt provided in the parallel port node is a valid virtual irq. The values for the interrupts provided in the device tree should have meaning in the context of the driver for the specific interrupt controller to which the interrupt is connected and irq_of_parse_and_map() should be used to determine the correct virtual irq. Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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