From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 13 Aug 2009 16:11:56 +0000 (-0400)
Subject: davinci: Macro to convert GPIO signal to GPIO pin number
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b1466376b22e1ec6395ccda7580deb72d3a809ad;p=linux-beck.git

davinci: Macro to convert GPIO signal to GPIO pin number

Adds a macro to convert the GPIO signal passed as bank number
and signal to GPIO pin number.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---

diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index 4f032b38cd6e..f3b8ef878158 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -42,6 +42,9 @@
  */
 #define	GPIO(X)		(X)		/* 0 <= X <= (DAVINCI_N_GPIO - 1) */
 
+/* Convert GPIO signal to GPIO pin number */
+#define GPIO_TO_PIN(bank, gpio)	(16 * (bank) + (gpio))
+
 struct gpio_controller {
 	u32	dir;
 	u32	out_data;