linux-kernel - [PATCH V2 03/15] genirq: Generic chip: Move irq_reg_{readl,writel} accessors into generic-chip.c

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Message-Id: <1414635488-14137-4-git-send-email-cernekee@gmail.com>
Date:	Wed, 29 Oct 2014 19:17:56 -0700
From:	Kevin Cernekee <cernekee@...il.com>
To:	arnd@...db.de, f.fainelli@...il.com, tglx@...utronix.de,
	jason@...edaemon.net, ralf@...ux-mips.org, lethal@...ux-sh.org
Cc:	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	mbizon@...ebox.fr, jogo@...nwrt.org, linux-mips@...ux-mips.org
Subject: [PATCH V2 03/15] genirq: Generic chip: Move irq_reg_{readl,writel} accessors into generic-chip.c

This allows us to implement per-irqchip behavior when necessary, instead
of hardcoding the behavior for all irqchip drivers at compile time.

Signed-off-by: Kevin Cernekee <cernekee@...il.com>
---
 include/linux/irq.h       |  7 -------
 kernel/irq/generic-chip.c | 10 ++++++++++
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 03f48d9..8049e93 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -639,13 +639,6 @@ void arch_teardown_hwirq(unsigned int irq);
 void irq_init_desc(unsigned int irq);
 #endif
 
-#ifndef irq_reg_writel
-# define irq_reg_writel(val, addr)	writel(val, addr)
-#endif
-#ifndef irq_reg_readl
-# define irq_reg_readl(addr)		readl(addr)
-#endif
-
 /**
  * struct irq_chip_regs - register offsets for struct irq_gci
  * @enable:	Enable register offset to reg_base
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index cf80e7b..380595f 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -17,6 +17,16 @@
 static LIST_HEAD(gc_list);
 static DEFINE_RAW_SPINLOCK(gc_lock);
 
+static void irq_reg_writel(u32 val, void __iomem *addr)
+{
+	writel(val, addr);
+}
+
+static u32 irq_reg_readl(void __iomem *addr)
+{
+	return readl(addr);
+}
+
 /**
  * irq_gc_noop - NOOP function
  * @d: irq_data
-- 
2.1.1

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