ARM: sa1111: clean up duplication in IRQ chip implementation

Clean up the duplication in the IRQ chip implementation - we can compute
the register address from the interrupt number rather than duplicating
the code for each register.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2016-09-06 18:43:28 +01:00
commit 1629c9ab36