linux-kernel - [PATCH v9 13/18] genirq/msi: Set IRQ_DOMAIN_FLAG

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Message-Id: <1484859483-2866-14-git-send-email-eric.auger@redhat.com>
Date:   Thu, 19 Jan 2017 20:57:58 +0000
From:   Eric Auger <eric.auger@...hat.com>
To:     eric.auger@...hat.com, eric.auger.pro@...il.com,
        christoffer.dall@...aro.org, marc.zyngier@....com,
        robin.murphy@....com, alex.williamson@...hat.com,
        will.deacon@....com, joro@...tes.org, tglx@...utronix.de,
        jason@...edaemon.net, linux-arm-kernel@...ts.infradead.org
Cc:     kvm@...r.kernel.org, drjones@...hat.com,
        linux-kernel@...r.kernel.org, pranav.sawargaonkar@...il.com,
        iommu@...ts.linux-foundation.org, punit.agrawal@....com,
        diana.craciun@....com, gpkulkarni@...il.com,
        shankerd@...eaurora.org, bharat.bhushan@....com,
        geethasowjanya.akula@...il.com
Subject: [PATCH v9 13/18] genirq/msi: Set IRQ_DOMAIN_FLAG_MSI on MSI domain creation

Now we have a flag value indicating an IRQ domain implements MSI,
let's set it on msi_create_irq_domain().

Signed-off-by: Eric Auger <eric.auger@...hat.com>
Reviewed-by: Marc Zyngier <marc.zyngier@....com>
Tested-by: Tomasz Nowicki <tomasz.nowicki@...iumnetworks.com>
Tested-by: Bharat Bhushan <bharat.bhushan@....com>

---

v7 -> v8
- Added Marc's R-b

v6: new
---
 kernel/irq/msi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index ee23006..ddc2f54 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -270,8 +270,8 @@ struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode,
 	if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
 		msi_domain_update_chip_ops(info);
 
-	return irq_domain_create_hierarchy(parent, 0, 0, fwnode,
-					   &msi_domain_ops, info);
+	return irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0,
+					   fwnode, &msi_domain_ops, info);
 }
 
 int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
-- 
1.9.1