Start of i2c-bus, a module for displaying i2c bus information in /proc

Nothing much here yet, except some code to create /proc/bus/i2c. Should work
for kernels 2.0 and 2.1 (please test).

Other notable things:
  printk statements in all modules made to have to same 'look'.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@15 7894878c-1315-0410-8ee3-d5d059ff63e0

kernel/include/compat.h

@@ -0,0 +1,40 @@
+/*
+    compar.h - A Linux module for reading sensor data.
+    Copyright (c) 1998  Frodo Looijaard <frodol@dds.nl>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef SENSORS_COMPAT_H
+#define SENSORS_COMPAT_H
+
+/* This useful macro is not defined in the 2.0 kernels */
+
+#include <linux/version.h>
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) | ((b) << 8) | (c))
+#endif
+
+#ifdef MODULE
+#include <linux/module.h>
+#ifndef MODULE_AUTHOR
+#define MODULE_AUTHOR(whatever)
+#endif
+#ifndef MODULE_DESCRIPTION
+#define MODULE_DESCRIPTION(whatever)
+#endif
+#endif /* def MODULE */
+
+#endif /* SENSORS_COMPAT_H */