linux-kernel - [PATCH 03/12] platform-msi: Provide default irq

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Message-Id: <1612385805-3412-4-git-send-email-megha.dey@intel.com>
Date:   Wed,  3 Feb 2021 12:56:36 -0800
From:   Megha Dey <megha.dey@...el.com>
To:     tglx@...utronix.de
Cc:     linux-kernel@...r.kernel.org, dave.jiang@...el.com,
        ashok.raj@...el.com, kevin.tian@...el.com, dwmw@...zon.co.uk,
        x86@...nel.org, tony.luck@...el.com, dan.j.williams@...el.com,
        megha.dey@...el.com, jgg@...lanox.com, kvm@...r.kernel.org,
        iommu@...ts.linux-foundation.org, alex.williamson@...hat.com,
        bhelgaas@...gle.com, maz@...nel.org, linux-pci@...r.kernel.org,
        baolu.lu@...ux.intel.com, ravi.v.shankar@...el.com
Subject: [PATCH 03/12] platform-msi: Provide default irq_chip:: Ack

From: Thomas Gleixner <tglx@...utronix.de>

For the upcoming device MSI support it's required to have a default
irq_chip::ack implementation (irq_chip_ack_parent) so the drivers do not
need to care.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Megha Dey <megha.dey@...el.com>
---
 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 2c1e2e0..9d9ccfc 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_mask = irq_chip_mask_parent;
 	if (!chip->irq_unmask)
 		chip->irq_unmask = irq_chip_unmask_parent;
+	if (!chip->irq_ack)
+		chip->irq_ack = irq_chip_ack_parent;
 	if (!chip->irq_eoi)
 		chip->irq_eoi = irq_chip_eoi_parent;
 	if (!chip->irq_set_affinity)
-- 
2.7.4