linux-kernel - [PATCH 04/12] Blackfin arch: Finalize the generic gpio support

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Date:	Wed,  8 Aug 2007 11:35:29 +0800
From:	Bryan Wu <bryan.wu@...log.com>
To:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org
Cc:	dbrownell@...rs.sourceforge.net,
	Michael Hennerich <michael.hennerich@...log.com>,
	Bryan Wu <bryan.wu@...log.com>
Subject: [PATCH 04/12] Blackfin arch: Finalize the generic gpio support - add gpio_to_irq and irq_to_gpio

From: Michael Hennerich <michael.hennerich@...log.com>

Signed-off-by: Michael Hennerich <michael.hennerich@...log.com>
Signed-off-by: Bryan Wu <bryan.wu@...log.com>
---
 include/asm-blackfin/gpio.h           |   13 +++++++++++++
 include/asm-blackfin/mach-bf533/irq.h |    2 ++
 include/asm-blackfin/mach-bf537/irq.h |    2 ++
 include/asm-blackfin/mach-bf548/irq.h |    2 ++
 include/asm-blackfin/mach-bf561/irq.h |    2 ++
 5 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/include/asm-blackfin/gpio.h b/include/asm-blackfin/gpio.h
index 7480cfa..e714363 100644
--- a/include/asm-blackfin/gpio.h
+++ b/include/asm-blackfin/gpio.h
@@ -421,6 +421,19 @@ unsigned short gpio_get_value(unsigned short gpio);
 void gpio_direction_input(unsigned short gpio);
 void gpio_direction_output(unsigned short gpio);
 
+#include <asm-generic/gpio.h>		/* cansleep wrappers */
+#include <asm/irq.h>
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+	return (gpio + GPIO_IRQ_BASE);
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+	return (irq - GPIO_IRQ_BASE);
+}
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ARCH_BLACKFIN_GPIO_H__ */
diff --git a/include/asm-blackfin/mach-bf533/irq.h b/include/asm-blackfin/mach-bf533/irq.h
index 9879e68..452fb82 100644
--- a/include/asm-blackfin/mach-bf533/irq.h
+++ b/include/asm-blackfin/mach-bf533/irq.h
@@ -128,6 +128,8 @@ Core        Emulation               **
 #define IRQ_PF14		47
 #define IRQ_PF15		48
 
+#define GPIO_IRQ_BASE		IRQ_PF0
+
 #ifdef CONFIG_IRQCHIP_DEMUX_GPIO
 #define	NR_IRQS		(IRQ_PF15+1)
 #else
diff --git a/include/asm-blackfin/mach-bf537/irq.h b/include/asm-blackfin/mach-bf537/irq.h
index 8af2a83..36c44bc 100644
--- a/include/asm-blackfin/mach-bf537/irq.h
+++ b/include/asm-blackfin/mach-bf537/irq.h
@@ -160,6 +160,8 @@ Core        Emulation               **
 #define IRQ_PH14        96
 #define IRQ_PH15        97
 
+#define GPIO_IRQ_BASE	IRQ_PF0
+
 #ifdef CONFIG_IRQCHIP_DEMUX_GPIO
 #define NR_IRQS     (IRQ_PH15+1)
 #else
diff --git a/include/asm-blackfin/mach-bf548/irq.h b/include/asm-blackfin/mach-bf548/irq.h
index e548d3c..21f06f7 100644
--- a/include/asm-blackfin/mach-bf548/irq.h
+++ b/include/asm-blackfin/mach-bf548/irq.h
@@ -337,6 +337,8 @@ Events         (highest priority)  EMU         0
 #define IRQ_PJ14	BFIN_PJ_IRQ(14)		/* N/A */
 #define IRQ_PJ15	BFIN_PJ_IRQ(15)		/* N/A */
 
+#define GPIO_IRQ_BASE	IRQ_PA0
+
 #ifdef CONFIG_IRQCHIP_DEMUX_GPIO
 #define NR_IRQS     (IRQ_PJ15+1)
 #else
diff --git a/include/asm-blackfin/mach-bf561/irq.h b/include/asm-blackfin/mach-bf561/irq.h
index a753ce7..1278992 100644
--- a/include/asm-blackfin/mach-bf561/irq.h
+++ b/include/asm-blackfin/mach-bf561/irq.h
@@ -289,6 +289,8 @@
 #define IRQ_PF46		119
 #define IRQ_PF47		120
 
+#define GPIO_IRQ_BASE		IRQ_PF0
+
 #ifdef CONFIG_IRQCHIP_DEMUX_GPIO
 #define NR_IRQS			(IRQ_PF47 + 1)
 #else
-- 
1.5.2
-
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