[PATCH] I2C: #include <linux/config.h> cleanup

Hi Alexey,

> Files that don't use CONFIG_* stuff shouldn't include config.h
> Files that use CONFIG_* stuff should include config.h
>
> It's that simple. ;-)

I agree. This won't change anything though, as all drivers include
either device.h or module.h, which in turn include config.h. But you are
still correct, so I approve your patch.

For completeness, I would propose the following on top of your own
patch:

i2c bus drivers do not need to define DEBUG themselves, as the Kconfig
system takes care of it.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/i2c/busses/i2c-ixp2000.c

@@ -26,11 +26,6 @@
  * 'enabled' to drive the GPIOs.
  */
 
-#include <linux/config.h>
-#ifdef CONFIG_I2C_DEBUG_BUS
-#define DEBUG	1
-#endif
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>

drivers/i2c/busses/i2c-ixp4xx.c

@@ -26,11 +26,6 @@
  *       that is passed as the platform_data to this driver.
  */
 
-#include <linux/config.h>
-#ifdef CONFIG_I2C_DEBUG_BUS
-#define DEBUG	1
-#endif
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>