Re: [PATCH] of/irq: Fix msi-map calculation for nonzero rid-base

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On 09/02/16 16:08, Mark Rutland wrote:
[...]

having msi-map-mask clash with a nonzero rid-base, as that's another
thing one can easily get wrong.

[...]

+		if (rid_base & ~map_mask) {
+			dev_err(parent_dev,
+				"Invalid msi-map translation - msi-map-mask (0x%x) ignores rid-
base (0x%x)\n",
+				map_mask, rid_base);
+			return rid_out;
+		}

[...]

                    msi-map = <0x0100 &its 0x11 0x1>;
                    msi-map-mask = <0xff>;


I'd say that this is an inconsistent set of properties, and it's
probably worth warning if we encounter this. There is no possible way
that rid-base can be encountered.

Indeed ;)

Robin.

Thanks,
Mark.


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