From 76d7b50c4a8c31f58cc42629105ea922addc4c32 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Sat, 18 Jan 2014 08:31:05 -0800
Subject: [PATCH] compat.h: Don't inlude i2C compatibility code

This is not an I2C driver, so don't include any I2C compatibility code.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
 compat.h | 42 +++++++++++++++++++++++++-----------------
 1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/compat.h b/compat.h
index 50456b1..49642d2 100644
--- a/compat.h
+++ b/compat.h
@@ -61,6 +61,8 @@ static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr)
 
 #endif
 
+#ifdef __NEED_I2C__
+
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 21)
 #if !(defined RHEL_MAJOR && RHEL_MAJOR == 5 && RHEL_MINOR >= 6)
 /* Simplified version for compatibility */
@@ -91,6 +93,23 @@ static struct i2c_client_address_data addr_data = {
 };
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)
+static inline s32
+i2c_smbus_read_word_swapped(const struct i2c_client *client, u8 command)
+{
+	s32 value = i2c_smbus_read_word_data(client, command);
+
+	return (value < 0) ? value : swab16(value);
+}
+
+static inline s32
+i2c_smbus_write_word_swapped(const struct i2c_client *client,
+			     u8 command, u16 value)
+{
+	return i2c_smbus_write_word_data(client, command, swab16(value));
+}
+#endif
+
 /* Red Hat EL5 includes backports of these functions, so we can't redefine
  * our own. */
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 24)
@@ -110,6 +129,8 @@ static inline int strict_strtol(const char *cp, unsigned int base, long *res)
 #endif
 #endif
 
+#endif	/* __NEED_I2C__ */
+
 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 28)
 /*
  * Divide positive or negative dividend by positive divisor and round
@@ -128,23 +149,6 @@ static inline int strict_strtol(const char *cp, unsigned int base, long *res)
 )
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0)
-static inline s32
-i2c_smbus_read_word_swapped(const struct i2c_client *client, u8 command)
-{
-	s32 value = i2c_smbus_read_word_data(client, command);
-
-	return (value < 0) ? value : swab16(value);
-}
-
-static inline s32
-i2c_smbus_write_word_swapped(const struct i2c_client *client,
-			     u8 command, u16 value)
-{
-	return i2c_smbus_write_word_data(client, command, swab16(value));
-}
-#endif
-
 #ifndef module_driver
 /**
  * module_driver() - Helper macro for drivers that don't do anything
@@ -173,6 +177,8 @@ static void __exit __driver##_exit(void) \
 module_exit(__driver##_exit);
 #endif
 
+#ifdef __NEED_I2C__
+
 #ifndef module_i2c_driver
 /**
  * module_i2c_driver() - Helper macro for registering a I2C driver
@@ -187,6 +193,8 @@ module_exit(__driver##_exit);
 			i2c_del_driver)
 #endif
 
+#endif /* __NEED_I2C__ */
+
 #ifndef clamp_val
 #define clamp_val SENSORS_LIMIT
 #endif
-- 
2.39.5