From: David Woodhouse <dwmw@amazon.co.uk>
Date: Sat, 24 Oct 2020 22:35:22 +0100
Subject: genirq/irqdomain: Implement get_name() method on irqchip fwnodes
Git-commit: 2cbd5a45e5296b28d64224ffbbd33d427704ba1b
Patch-mainline: v5.11-rc1
References: jsc#SLE-16823

Prerequisite to make x86 more irqdomain compliant.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201024213535.443185-23-dwmw2@infradead.org
Acked-by: Joerg Roedel <jroedel@suse.de>
---
 kernel/irq/irqdomain.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -42,7 +42,16 @@ static inline void debugfs_add_domain_di
 static inline void debugfs_remove_domain_dir(struct irq_domain *d) { }
 #endif
 
-const struct fwnode_operations irqchip_fwnode_ops;
+static const char *irqchip_fwnode_get_name(const struct fwnode_handle *fwnode)
+{
+	struct irqchip_fwid *fwid = container_of(fwnode, struct irqchip_fwid, fwnode);
+
+	return fwid->name;
+}
+
+const struct fwnode_operations irqchip_fwnode_ops = {
+	.get_name = irqchip_fwnode_get_name,
+};
 EXPORT_SYMBOL_GPL(irqchip_fwnode_ops);
 
 /**