Signed-off-by: David Wu <david.wu@xxxxxxxxxxxxxx>
---
Change in v7:
- none
drivers/i2c/busses/i2c-rk3x.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 80bed02..7e45d51 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -90,6 +90,26 @@ struct rk3x_i2c_soc_data {
int grf_offset;
};
+/**
+ * struct rk3x_i2c - private data of the controller
+ * @adap: corresponding I2C adapter
+ * @dev: device for this controller
+ * @soc_data: related soc data struct
+ * @regs: virtual memory area
+ * @clk: clock of i2c bus
+ * @clk_rate_nb: i2c clk rate change notify
+ * @t: I2C known timing information
+ * @lock: spinlock for the i2c bus
+ * @wait: the waitqueue to wait for i2c transfer
+ * @busy: the condition for the event to wait for
+ * @msg: current i2c message
+ * @addr: addr of i2c slave device
+ * @mode: mode of i2c transfer
+ * @is_last_msg: flag determines whether it is the last msg in this transfer
+ * @state: state of i2c transfer
+ * @processed: byte length which has been send or received
+ * @error: error code for i2c transfer
+ */
struct rk3x_i2c {
struct i2c_adapter adap;
struct device *dev;
@@ -116,7 +136,7 @@ struct rk3x_i2c {
/* I2C state machine */
enum rk3x_i2c_state state;
- unsigned int processed; /* sent/received bytes */
+ unsigned int processed;
int error;
};
--
1.9.1
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