linux-kernel - [PATCH 3/9] PCI/MSI: Provide default retrigger callback

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Date:   Mon, 24 Aug 2020 11:23:11 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Jason Cooper <jason@...edaemon.net>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Valentin Schneider <valentin.schneider@....com>
Subject: [PATCH 3/9] PCI/MSI: Provide default retrigger callback

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/pci/msi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 30ae4ffda5c1..c4d31ce2d951 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1446,6 +1446,8 @@ static void pci_msi_domain_update_chip_ops(struct msi_domain_info *info)
 		chip->irq_mask = pci_msi_mask_irq;
 	if (!chip->irq_unmask)
 		chip->irq_unmask = pci_msi_unmask_irq;
+	if (!chip->irq_retrigger)
+		chip->irq_retrigger = irq_chip_retrigger_hierarchy;
 }
 
 /**
-- 
2.27.0