From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Wu Subject: [PATCH v8 1/8] i2c: rk3x: add documentation to fields in "struct rk3x_i2c" Date: Wed, 11 May 2016 03:24:05 +0800 Message-ID: <1462908252-27016-2-git-send-email-david.wu@rock-chips.com> References: <1462908252-27016-1-git-send-email-david.wu@rock-chips.com> Content-Type: text/plain; charset="utf-8" Return-path: In-Reply-To: <1462908252-27016-1-git-send-email-david.wu@rock-chips.com> Sender: linux-i2c-owner@vger.kernel.org To: heiko@sntech.de, wsa@the-dreams.de Cc: robh+dt@kernel.org, dianders@chromium.org, andy.shevchenko@gmail.com, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, briannorris@google.com, davidriley@google.com, huangtao@rock-chips.com, hl@rock-chips.com, xjq@rock-chips.com, zyw@rock-chips.com, cf@rock-chips.com, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, David Wu List-Id: devicetree@vger.kernel.org Signed-off-by: David Wu Reviewed-by: Douglas Anderson --- Change in v8: - 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