From patchwork Tue May 10 19:24:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Wu X-Patchwork-Id: 9064701 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 2DCCC9F1C3 for ; Wed, 11 May 2016 04:03:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3604C20155 for ; Wed, 11 May 2016 04:03:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6B8B320145 for ; Wed, 11 May 2016 04:03:00 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b0LMR-00088W-U5; Wed, 11 May 2016 04:02:59 +0000 Received: from lucky1.263xmail.com ([211.157.147.130]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b0LME-0007xm-IQ; Wed, 11 May 2016 04:02:47 +0000 Received: from david.wu?rock-chips.com (unknown [192.168.167.229]) by lucky1.263xmail.com (Postfix) with SMTP id F25EC1EEAF4; Wed, 11 May 2016 12:02:21 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-KSVirus-check: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 6B8A5233D; Wed, 11 May 2016 12:02:18 +0800 (CST) X-RL-SENDER: david.wu@rock-chips.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: david.wu@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: wdc@rock-chips.com X-DNS-TYPE: 0 Received: from unknown (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith SMTP id 206719ZCILU; Wed, 11 May 2016 12:02:21 +0800 (CST) From: David Wu To: heiko@sntech.de, wsa@the-dreams.de 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> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1462908252-27016-1-git-send-email-david.wu@rock-chips.com> References: <1462908252-27016-1-git-send-email-david.wu@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160510_210247_095518_958C71BF X-CRM114-Status: UNSURE ( 8.40 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 1.3 (+) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, huangtao@rock-chips.com, xjq@rock-chips.com, hl@rock-chips.com, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, David Wu , dianders@chromium.org, linux-kernel@vger.kernel.org, cf@rock-chips.com, andy.shevchenko@gmail.com, robh+dt@kernel.org, linux-i2c@vger.kernel.org, galak@codeaurora.org, zyw@rock-chips.com, briannorris@google.com, davidriley@google.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.0 required=5.0 tests=BAYES_00, DATE_IN_PAST_06_12, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY, URIBL_BLACK autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: David Wu Reviewed-by: Douglas Anderson Reviewed-by: Heiko Stuebner --- 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; };