Hi Gustavo, On Fri, 2018-07-06 at 11:32 +0100, Gustavo Pimentel wrote: > In case of HSDK we have intermediate INTC in for of DW APB GPIO controller > which is used as a de-bounce logic for interrupt wires that come from > outside the board. > > We cannot use existing "irq-dw-apb-ictl" driver here because all input > lines are routed to corresponding output lines but not muxed into one > line (this is configured in RTL and we cannot change this in software). > > But even if we add such a feature to "irq-dw-apb-ictl" driver that won't > benefit us as higher-level INTC (in case of HSDK it is IDU) anyways has > per-input control so adding fully-controller intermediate INTC will only > bring some overhead on interrupt processing but no other benefits. > > Thus we just do one-time configuration of DW APB GPIO controller and > forget about it. > > Based on implementation available on arch/arc/plat-axs10x/axs10x.c file. > > Signed-off-by: Gustavo Pimentel <gustavo.pimentel at synopsys.com> Acked-by: Alexey Brodkin <abrodkin at synopsys.com>
