linux-kernel - [tip:irq/urgent] genirq: Introduce helper irq_desc_get

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Date:	Fri, 26 Jun 2015 12:50:04 -0700
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	marc.zyngier@....com, bp@...en8.de, tony.luck@...el.com,
	konrad.wilk@...cle.com, yinghai@...nel.org, bhelgaas@...gle.com,
	benh@...nel.crashing.org, jiang.liu@...ux.intel.com,
	linux-kernel@...r.kernel.org, rdunlap@...radead.org,
	mingo@...nel.org, tglx@...utronix.de, hpa@...or.com
Subject: [tip:irq/urgent] genirq: Introduce helper irq_desc_get_irq()

Commit-ID:  304adf8a8fff972f633bf52b3d160682d3f3d5d2
Gitweb:     http://git.kernel.org/tip/304adf8a8fff972f633bf52b3d160682d3f3d5d2
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Thu, 4 Jun 2015 12:13:26 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 26 Jun 2015 21:28:32 +0200

genirq: Introduce helper irq_desc_get_irq()

Introduce helper irq_desc_get_irq() to retrieve the irq number from
the irq descriptor.

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Marc Zyngier <marc.zyngier@....com>
Link: http://lkml.kernel.org/r/1433391238-19471-17-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 include/linux/irqdesc.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 66c41b4..a72bfd9 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -100,6 +100,11 @@ static inline struct irq_desc *irq_data_to_desc(struct irq_data *data)
 #endif
 }
 
+static inline unsigned int irq_desc_get_irq(struct irq_desc *desc)
+{
+	return desc->irq_data.irq;
+}
+
 static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc)
 {
 	return &desc->irq_data;
--
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