linux-kernel - [RFT v2 16/48] genirq: Introduce helper irq_desc_get

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Message-Id: <1433391238-19471-17-git-send-email-jiang.liu@linux.intel.com>
Date:	Thu,  4 Jun 2015 12:13:26 +0800
From:	Jiang Liu <jiang.liu@...ux.intel.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Marc Zyngier <marc.zyngier@....com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Tony Luck <tony.luck@...el.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: [RFT v2 16/48] genirq: Introduce helper irq_desc_get_irq()

Introduce helper irq_desc_get_irq() to hide irq_desc implementation
details.

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
---
 include/linux/irqdesc.h |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 8c84a2513665..a7aaef44a10e 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;
-- 
1.7.10.4

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