From 1d1acc0760d729c0b10938594ce68fda461b59a5 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Sat, 30 Dec 2006 02:37:25 +0000
Subject: [PATCH] Make the i2c driver work, as a module

SVN-Revision: 5930
---
 target/linux/au1000-2.6/config                |  4 +--
 .../patches/010-au100_gpio_i2c.patch          | 29 +++++--------------
 2 files changed, 9 insertions(+), 24 deletions(-)

diff --git a/target/linux/au1000-2.6/config b/target/linux/au1000-2.6/config
index db9841e41a30..4b675388d1d5 100644
--- a/target/linux/au1000-2.6/config
+++ b/target/linux/au1000-2.6/config
@@ -1142,7 +1142,7 @@ CONFIG_HW_RANDOM=y
 #
 # I2C support
 #
-CONFIG_I2C=y
+CONFIG_I2C=m
 CONFIG_I2C_CHARDEV=m
 
 #
@@ -1160,7 +1160,7 @@ CONFIG_I2C_ALGOPCA=m
 # CONFIG_I2C_ALI15X3 is not set
 # CONFIG_I2C_AMD756 is not set
 # CONFIG_I2C_AMD8111 is not set
-CONFIG_I2C_AU1X00GPIO=y
+CONFIG_I2C_AU1X00GPIO=m
 # CONFIG_I2C_I801 is not set
 # CONFIG_I2C_I810 is not set
 # CONFIG_I2C_PIIX4 is not set
diff --git a/target/linux/au1000-2.6/patches/010-au100_gpio_i2c.patch b/target/linux/au1000-2.6/patches/010-au100_gpio_i2c.patch
index f4dee3cf613e..9fd2e8936466 100644
--- a/target/linux/au1000-2.6/patches/010-au100_gpio_i2c.patch
+++ b/target/linux/au1000-2.6/patches/010-au100_gpio_i2c.patch
@@ -33,7 +33,7 @@ diff -urN linux-2.6.19/drivers/i2c/busses/Makefile linux-2.6.19.new/drivers/i2c/
 diff -urN linux-2.6.19/drivers/i2c/busses/i2c-au1x00gpio.c linux-2.6.19.new/drivers/i2c/busses/i2c-au1x00gpio.c
 --- linux-2.6.19/drivers/i2c/busses/i2c-au1x00gpio.c	1970-01-01 01:00:00.000000000 +0100
 +++ linux-2.6.19.new/drivers/i2c/busses/i2c-au1x00gpio.c	2006-12-28 17:02:10.000000000 +0100
-@@ -0,0 +1,421 @@
+@@ -0,0 +1,406 @@
 +/* ------------------------------------------------------------------------- */
 +/* i2c-au1x00gpio.c i2c-hw access for Au1x00 GPIO pins.                      */
 +/* ------------------------------------------------------------------------- */
@@ -78,11 +78,6 @@ diff -urN linux-2.6.19/drivers/i2c/busses/i2c-au1x00gpio.c linux-2.6.19.new/driv
 +#include <linux/i2c.h>
 +#include <linux/i2c-algo-bit.h>
 +
-+#ifndef __exit
-+#define __exit __init
-+#endif
-+
-+
 +struct i2c_au1x00gpio
 +{
 +	struct i2c_au1x00gpio *next;
@@ -398,11 +393,11 @@ diff -urN linux-2.6.19/drivers/i2c/busses/i2c-au1x00gpio.c linux-2.6.19.new/driv
 +
 +
 +#ifndef CONFIG_I2C_AU1X00GPIO_SCL
-+#define CONFIG_I2C_AU1X00GPIO_SCL (216)
++#define CONFIG_I2C_AU1X00GPIO_SCL (210)
 +#endif
 +
 +#ifndef CONFIG_I2C_AU1X00GPIO_SDA
-+#define CONFIG_I2C_AU1X00GPIO_SDA (217)
++#define CONFIG_I2C_AU1X00GPIO_SDA (9)
 +#endif
 +
 +static int au1x00gpiopin_scl = CONFIG_I2C_AU1X00GPIO_SCL;
@@ -410,7 +405,7 @@ diff -urN linux-2.6.19/drivers/i2c/busses/i2c-au1x00gpio.c linux-2.6.19.new/driv
 +
 +
 +
-+int __init i2c_bit_au1x00gpio_init(void)
++static int __init i2c_bit_au1x00gpio_init(void)
 +{
 +  printk(KERN_INFO "i2c-au1x00gpio.o: i2c Au1x00 GPIO adapter module version\n");
 +
@@ -428,7 +423,7 @@ diff -urN linux-2.6.19/drivers/i2c/busses/i2c-au1x00gpio.c linux-2.6.19.new/driv
 +}
 +
 +
-+void __exit i2c_bit_au1x00gpio_exit(void)
++static void __exit i2c_bit_au1x00gpio_exit(void)
 +{
 +  i2c_au1x00gpio_delete (au1x00gpiopin_scl, au1x00gpiopin_sda);
 +}
@@ -443,18 +438,8 @@ diff -urN linux-2.6.19/drivers/i2c/busses/i2c-au1x00gpio.c linux-2.6.19.new/driv
 +MODULE_DESCRIPTION("I2C-Bus adapter routines for Au1x00 GPIO adapter.");
 +MODULE_LICENSE("GPL");
 +
-+
-+#ifdef MODULE
-+int init_module(void)
-+{
-+	return i2c_bit_au1x00gpio_init();
-+}
-+
-+void cleanup_module(void)
-+{
-+	i2c_bit_au1x00gpio_exit();
-+}
-+#endif
++module_init(i2c_bit_au1x00gpio_init);
++module_exit(i2c_bit_au1x00gpio_exit);
 diff -urN linux-2.6.19/include/linux/i2c-id.h linux-2.6.19.new/include/linux/i2c-id.h
 --- linux-2.6.19/include/linux/i2c-id.h	2006-11-29 22:57:37.000000000 +0100
 +++ linux-2.6.19.new/include/linux/i2c-id.h	2006-12-28 03:12:15.000000000 +0100
-- 
2.30.2