On Fri, Jul 27, 2018 at 03:17:59PM +0530, Bharat Bhushan wrote: > Freescale MPIC h/w may not support all interrupt sources reported > by hardware, "last-interrupt-source" or platform. On these platforms > a misconfigured device tree that assigns one of the reserved > interrupts leaves a non-functioning system without warning. There are lots of ways to misconfigure DTs. I don't think this is special and needs a property. We've had some interrupt mask or valid properties in the past, but generally don't accept those. > > This patch adds "supported-irq-ranges" property in device tree to > provide the range of supported source of interrupts. If a reserved > interrupt used then it will not be programming h/w, which it does > currently, and through warning. > > Signed-off-by: Bharat Bhushan <Bharat.Bhushan@xxxxxxx> > --- > .../devicetree/bindings/powerpc/fsl/mpic.txt | 8 ++ > arch/powerpc/include/asm/mpic.h | 9 ++ > arch/powerpc/sysdev/mpic.c | 113 +++++++++++++++++++-- > 3 files changed, 121 insertions(+), 9 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
