linux-kernel - [PATCH] irqdomain: Export __irq_domain_alloc

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Date:   Mon,  4 Oct 2021 16:05:52 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH] irqdomain: Export __irq_domain_alloc_irqs() to modules

The Apple PCIe controller driver allocates interrupts generated
by the PCIe ports, and uses irq_domain_alloc_irqs() for that.
THis is an inline function that uses __irq_domain_alloc_irqs()
as a backend.

Since the driver can be built as a module, __irq_domain_alloc_irqs()
must be exported.

Fixes: 201adeaa9d82 ("PCI: apple: Add INTx and per-port interrupt support")
Signed-off-by: Marc Zyngier <maz@...nel.org>
---

Notes:
    Since the offending code is only in the PCI tree so far,
    it would make sense if Lorenzo could take this patch directly.

 kernel/irq/irqdomain.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 5a698c1f6cc6..40e85a46f913 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1502,6 +1502,7 @@ int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base,
 	irq_free_descs(virq, nr_irqs);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(__irq_domain_alloc_irqs);
 
 /* The irq_data was moved, fix the revmap to refer to the new location */
 static void irq_domain_fix_revmap(struct irq_data *d)
-- 
2.30.2