Date:   Mon, 6 Mar 2023 13:55:24 +0200
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Pin-yen Lin <treapking@chromium.org>
Cc:     Andrzej Hajda <andrzej.hajda@intel.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Robert Foss <rfoss@kernel.org>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Daniel Scally <djrscally@gmail.com>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Prashant Malani <pmalani@chromium.org>,
        Benson Leung <bleung@chromium.org>,
        Guenter Roeck <groeck@chromium.org>,
        Xin Ji <xji@analogixsemi.com>,
        Javier Martinez Canillas <javierm@redhat.com>,
        Lyude Paul <lyude@redhat.com>, linux-kernel@vger.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        chrome-platform@lists.linux.dev,
        =?iso-8859-1?Q?N=EDcolas_F_=2E_R_=2E_A_=2E?= Prado 
        <nfraprado@collabora.com>, Marek Vasut <marex@denx.de>,
        Hsin-Yi Wang <hsinyi@chromium.org>, devicetree@vger.kernel.org,
        Allen Chen <allen.chen@ite.com.tw>,
        dri-devel@lists.freedesktop.org,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Stephen Boyd <swboyd@chromium.org>, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v13 07/10] drm/bridge: anx7625: Register Type C mode
 switches
Message-ID: <ZAXUrJDtHmm7+50H@smile.fi.intel.com>
References: <20230303143350.815623-1-treapking@chromium.org>
 <20230303143350.815623-8-treapking@chromium.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20230303143350.815623-8-treapking@chromium.org>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
Precedence: bulk

On Fri, Mar 03, 2023 at 10:33:47PM +0800, Pin-yen Lin wrote:
> Register USB Type-C mode switches when the "mode-switch" property and
> relevant ports are available in Device Tree. Configure the crosspoint
> switch based on the entered alternate mode for a specific Type-C
> connector.
> 
> Crosspoint switch can also be used for switching the output signal for
> different orientations of a single USB Type-C connector, but the
> orientation switch is not implemented yet. A TODO is added for this.

...

> +	ctx->port_data = devm_kcalloc(
> +		dev, switch_desc->num_typec_switches,
> +		sizeof(struct anx7625_typec_port_data), GFP_KERNEL);

I believe I have commented on this (indentation)...

> +

...and this (blank line).

> +	if (!ctx->port_data) {
> +		ret = -ENOMEM;
> +		goto unregister_mux;
> +	}

...

> +		ctx->port_data[i].orientation = (dp_lanes[0] / 2 == 0) ?
> +			TYPEC_ORIENTATION_REVERSE : TYPEC_ORIENTATION_NORMAL;

I believe that this is an error prone check, you should rather do the opposite,
i.e.  ' % 2  == 0'.

-- 
With Best Regards,
Andy Shevchenko