linux-kernel - [PATCH 4/9] platform-msi: Provide default retrigger callback

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Message-Id: <20200824102317.1038259-5-maz@kernel.org>
Date:   Mon, 24 Aug 2020 11:23:12 +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 4/9] platform-msi: Provide default retrigger callback

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

diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index c4a17e5edf8b..0a043936b259 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -101,6 +101,8 @@ static void platform_msi_update_chip_ops(struct msi_domain_info *info)
 		chip->irq_set_affinity = msi_domain_set_affinity;
 	if (!chip->irq_write_msi_msg)
 		chip->irq_write_msi_msg = platform_msi_write_msg;
+	if (!chip->irq_retrigger)
+		chip->irq_retrigger = irq_chip_retrigger_hierarchy;
 	if (WARN_ON((info->flags & MSI_FLAG_LEVEL_CAPABLE) &&
 		    !(chip->flags & IRQCHIP_SUPPORTS_LEVEL_MSI)))
 		info->flags &= ~MSI_FLAG_LEVEL_CAPABLE;
-- 
2.27.0