On Fri, 12 Nov 2021 14:57:13 +0000,
Rob Herring [off-list ref] wrote:

On Fri, Nov 12, 2021 at 8:37 AM Marc Zyngier [off-list ref] wrote:

quoted

@@ -244,8 +245,14 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq)

                        pr_debug(" -> imaplen=%d\n", imaplen);
                }
-               if (!match)
+               if (!match) {
+                       if (intc) {
+                               pr_debug("%pOF interrupt-map failed, using interrupt-controller\n", ipar);

Let's make this a WARN for !IS_ENABLED(CONFIG_PASEMI). (whatever the
right kconfig symbol is).

I've folded this in.

	M.

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 508fb1717de3..b10f015b2e37 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c

@@ -247,7 +247,13 @@ int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq)
 		}
 		if (!match) {
 			if (intc) {
-				pr_debug("%pOF interrupt-map failed, using interrupt-controller\n", ipar);
+				/*
+				 * The PASEMI Nemo is a known offender, so
+				 * let's only warn for anyone else.
+				 */
+				WARN(!IS_ENABLED(CONFIG_PPC_PASEMI),
+				     "%pOF interrupt-map failed, using interrupt-controller\n",
+				     ipar);
 				return 0;
 			}

-- 
Without deviation from the norm, progress is not possible.