On Tue, May 11, 2021 at 11:01 AM Aswath Govindraju <a-govindraju@xxxxxx> wrote: Just a drive-by comment (not your problem right now) > + /* HW Interrupts mapped to GPIO pins */ > + interrupts = <GIC_SPI 120 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 121 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 122 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 123 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 124 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 125 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 126 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 127 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 128 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 129 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 130 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 132 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 133 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 134 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 135 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 136 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 137 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 138 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 139 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 140 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 143 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 145 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 146 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 147 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 148 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 149 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 150 IRQ_TYPE_EDGE_RISING>, > + <GIC_SPI 151 IRQ_TYPE_EDGE_RISING>; This is quite obviously a hiearchical interrupt controller. I think this appeared in the kernel before the GIC could even deal with hierarchical IRQs but it should really be fixed to make the platform modern. Yours, Linus Walleij