linux-kernel - [PATCH v2 3/3] irqchip/gicv3-its: Handle OF device tree "msi-map" properties.

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Date:	Tue, 22 Sep 2015 17:00:06 -0700
From:	David Daney <ddaney.cavm@...il.com>
To:	linux-kernel@...r.kernel.org, Will Deacon <will.deacon@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	Marc Zyngier <marc.zyngier@....com>,
	Grant Likely <grant.likely@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>
Cc:	David Daney <david.daney@...ium.com>
Subject: [PATCH v2 3/3] irqchip/gicv3-its:  Handle OF device tree "msi-map" properties.

From: David Daney <david.daney@...ium.com>

Call of_msi_map_rid() to handle mapping of the requester id.

Signed-off-by: David Daney <david.daney@...ium.com>
---
 drivers/irqchip/irq-gic-v3-its-pci-msi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
index cf351c6..8b1c938 100644
--- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c
+++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
@@ -86,7 +86,8 @@ static int its_pci_msi_prepare(struct irq_domain *domain, struct device *dev,
 	pci_for_each_dma_alias(pdev, its_get_pci_alias, &dev_alias);
 
 	/* ITS specific DeviceID, as the core ITS ignores dev. */
-	info->scratchpad[0].ul = dev_alias.dev_id;
+	info->scratchpad[0].ul = of_msi_map_rid(dev, domain->of_node,
+						dev_alias.dev_id);
 
 	return msi_info->ops->msi_prepare(domain->parent,
 					  dev, dev_alias.count, info);
-- 
1.9.1

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