--- zzzz-none-000/linux-4.9.279/drivers/i2c/busses/i2c-designware-core.h	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/drivers/i2c/busses/i2c-designware-core.h	2023-02-08 11:43:42.000000000 +0000
@@ -69,6 +69,7 @@
  * @hs_lcnt: high speed LCNT value
  * @acquire_lock: function to acquire a hardware lock on the bus
  * @release_lock: function to release a hardware lock on the bus
+ * @shared_host: if this host is shared by other units on the SoC
  * @pm_runtime_disabled: true if pm runtime is disabled
  *
  * HCNT and LCNT parameters can be used if the platform knows more accurate
@@ -114,8 +115,12 @@
 	u16			fp_lcnt;
 	u16			hs_hcnt;
 	u16			hs_lcnt;
+	int			shared_host;
+	int			polling;
 	int			(*acquire_lock)(struct dw_i2c_dev *dev);
 	void			(*release_lock)(struct dw_i2c_dev *dev);
+	int			(*acquire_ownership) (void);
+	int			(*release_ownership) (void);
 	bool			pm_runtime_disabled;
 };