linux-kernel - [PATCH v3 22/35] genirq/irqdomain: Implement get

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Message-Id: <20201024213535.443185-23-dwmw2@infradead.org>
Date:   Sat, 24 Oct 2020 22:35:22 +0100
From:   David Woodhouse <dwmw2@...radead.org>
To:     x86@...nel.org
Cc:     kvm <kvm@...r.kernel.org>, iommu@...ts.linux-foundation.org,
        joro@...tes.org, Thomas Gleixner <tglx@...utronix.de>,
        Paolo Bonzini <pbonzini@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-hyperv@...r.kernel.org, maz@...terjones.org,
        Dexuan Cui <decui@...rosoft.com>
Subject: [PATCH v3 22/35] genirq/irqdomain: Implement get_name() method on irqchip fwnodes

From: David Woodhouse <dwmw@...zon.co.uk>

Prerequesite to make x86 more irqdomain compliant.

Signed-off-by: David Woodhouse <dwmw@...zon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 kernel/irq/irqdomain.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index cf8b374b892d..673fa64c1c44 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -42,7 +42,16 @@ static inline void debugfs_add_domain_dir(struct irq_domain *d) { }
 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);
 
 /**
-- 
2.26.2