diff options
author | David Wu <david.wu@rock-chips.com> | 2016-05-16 21:57:36 +0800 |
---|---|---|
committer | Wolfram Sang <wsa@the-dreams.de> | 2016-06-17 13:39:15 +0200 |
commit | 0a6ad2f95f36bf1686c6598697d8afc7daca2a03 (patch) | |
tree | f5977c289db45e6b07e218e39f8e1bcd0d975131 /drivers/i2c/busses/i2c-rk3x.c | |
parent | e456cd37bc28abe47dc65189df916ac0510ac1d4 (diff) |
i2c: rk3x: add documentation to fields in "struct rk3x_i2c"
Add kernel-doc documentation for the elements of the previously
undocumented struct rk3x_i2c.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-rk3x.c')
-rw-r--r-- | drivers/i2c/busses/i2c-rk3x.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 80bed02cd942..7e45d5101d32 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; }; |