linux-kernel - [PATCH v5 3/9] phy: dphy: Clarify lanes parameter documentation

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Message-Id: <5d226c00c7e31273687b55f84b2bcc4d16a43efe.1548085432.git-series.maxime.ripard@bootlin.com>
Date:   Mon, 21 Jan 2019 16:45:48 +0100
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        linux-media@...r.kernel.org,
        Archit Taneja <architt@...eaurora.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Chen-Yu Tsai <wens@...e.org>, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        Krzysztof Witos <kwitos@...ence.com>,
        Rafal Ciepiela <rafalc@...ence.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sakari Ailus <sakari.ailus@....fi>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
Subject: [PATCH v5 3/9] phy: dphy: Clarify lanes parameter documentation

The lanes parameter is not solely about the number of lanes, but it also
carries the fact that those are the first lanes in use during the
transmission.

It was implicit so far, so make sure it's explicit now.

Suggested-by: Sakari Ailus <sakari.ailus@....fi>
Acked-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
Signed-off-by: Maxime Ripard <maxime.ripard@...tlin.com>
---
 include/linux/phy/phy-mipi-dphy.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/phy/phy-mipi-dphy.h b/include/linux/phy/phy-mipi-dphy.h
index 627d28080d3a..a877ffee845d 100644
--- a/include/linux/phy/phy-mipi-dphy.h
+++ b/include/linux/phy/phy-mipi-dphy.h
@@ -269,7 +269,8 @@ struct phy_configure_opts_mipi_dphy {
 	/**
 	 * @lanes:
 	 *
-	 * Number of active data lanes used for the transmissions.
+	 * Number of active, consecutive, data lanes, starting from
+	 * lane 0, used for the transmissions.
 	 */
 	unsigned char		lanes;
 };
-- 
git-series 0.9.1