--- zzzz-none-000/linux-2.6.39.4/include/linux/i2c.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/include/linux/i2c.h	2021-11-10 13:38:17.000000000 +0000
@@ -362,6 +362,9 @@
 
 	int timeout;			/* in jiffies */
 	int retries;
+#ifdef CONFIG_GEN3_I2C
+	unsigned int mode;
+#endif
 	struct device dev;		/* the adapter device */
 
 	int nr;
@@ -410,6 +413,7 @@
 #define I2C_CLASS_HWMON		(1<<0)	/* lm_sensors, ... */
 #define I2C_CLASS_DDC		(1<<3)	/* DDC bus on graphics adapters */
 #define I2C_CLASS_SPD		(1<<7)	/* SPD EEPROMs and similar */
+#define I2C_CLASS_ALL		(UINT_MAX) /* all of the above */
 
 /* Internal numbers to terminate lists */
 #define I2C_CLIENT_END		0xfffeU