linux-kernel - [PATCH v9 02/12] PCI: OF: Parse and map the IRQ when adding the PCI device.

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Date:	Tue, 12 Aug 2014 17:25:15 +0100
From:	Liviu Dudau <Liviu.Dudau@....com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Arnd Bergmann <arnd@...db.de>,
	Russell King <linux@....linux.org.uk>,
	Tanmay Inamdar <tinamdar@....com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Sinan Kaya <okaya@...eaurora.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Suravee Suthikulanit <suravee.suthikulpanit@....com>,
	linux-pci <linux-pci@...r.kernel.org>
Cc:	linux-arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Device Tree ML <devicetree@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v9 02/12] PCI: OF: Parse and map the IRQ when adding the PCI device.

Enhance the default implementation of pcibios_add_device() to
parse and map the IRQ of the device if a DT binding is available.

Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Grant Likely <grant.likely@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>
Signed-off-by: Liviu Dudau <Liviu.Dudau@....com>
---
 drivers/pci/pci.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 1c8592b..29d1775 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -17,6 +17,7 @@
 #include <linux/spinlock.h>
 #include <linux/string.h>
 #include <linux/log2.h>
+#include <linux/of_pci.h>
 #include <linux/pci-aspm.h>
 #include <linux/pm_wakeup.h>
 #include <linux/interrupt.h>
@@ -1453,6 +1454,8 @@ EXPORT_SYMBOL(pcim_pin_device);
  */
 int __weak pcibios_add_device(struct pci_dev *dev)
 {
+	dev->irq = of_irq_parse_and_map_pci(dev, 0, 0);
+
 	return 0;
 }
 
-- 
2.0.4

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