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    SubjectRe: [PATCH 00/15] ARM: sunxi: add A31 PL pins support
    On Thu, Apr 10, 2014 at 01:14:26AM +0800, Chen-Yu Tsai wrote:
    > > 3) other things I haven't noticed yet :-)
    >
    > Reworking EINT to use one interrupt per bank will yield some more surprises.
    >
    > There's also new gpiolib irqchip helpers, but that will require reworking
    > each pin bank into separate gpio chips. May be more work than just adding
    > different irq domains for different banks.
    >
    > See: https://lkml.org/lkml/2014/3/25/175

    I'm not sure it's worth it actually. Using these helpers will probably
    simplify the A31/A23 case, where you have one interrupt controller per
    bank, but it will be much more complicated to handle the A10/A20 case
    where you have a single interrupt controller for all the banks.

    Maxime

    --
    Maxime Ripard, Free Electrons
    Embedded Linux, Kernel and Android engineering
    http://free-electrons.com
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