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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" <robert.foss@linaro.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>,
	linux-kernel@vger.kernel.org,
	"Nícolas F . R . A . Prado" <nfraprado@collabora.com>,
	"Hsin-Yi Wang" <hsinyi@chromium.org>,
	devicetree@vger.kernel.org, "Allen Chen" <allen.chen@ite.com.tw>,
	"Lyude Paul" <lyude@redhat.com>,
	linux-acpi@vger.kernel.org, dri-devel@lists.freedesktop.org,
	"Marek Vasut" <marex@denx.de>, "Xin Ji" <xji@analogixsemi.com>,
	"Stephen Boyd" <swboyd@chromium.org>,
	"AngeloGioacchino Del Regno"
	<angelogioacchino.delregno@collabora.com>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"Javier Martinez Canillas" <javierm@redhat.com>,
	chrome-platform@lists.linux.dev,
	"José Expósito" <jose.exposito89@gmail.com>
Subject: Re: [PATCH v11 6/9] drm/bridge: anx7625: Register Type C mode switches
Date: Mon, 6 Feb 2023 14:16:19 +0200	[thread overview]
Message-ID: <Y+Dvk63SwoFjBCsd@smile.fi.intel.com> (raw)
In-Reply-To: <20230204133040.1236799-7-treapking@chromium.org>

On Sat, Feb 04, 2023 at 09:30:37PM +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.

...

> +	for (i = 0; i < 2; i++) {
> +		if (ctx->port_data[i].dp_connected)
> +			anx7625_set_crosspoint_switch(
> +				ctx, ctx->port_data[i].orientation);

It's more than enough room to place ctx on the previous line.

> +	}

...

> +	struct anx7625_data *ctx = (struct anx7625_data *) port->data;

Redundant explicit casting.

...

> +	struct device *dev = &ctx->client->dev;

Do you really need to keep client in that struct and not simply dev?

...

> +	/* dp on, power on first */

DP ?

...

> +	/* dp off, power off last */

Ditto.

...

> +		num_lanes = fwnode_property_read_u32_array(fwnode, "data-lanes",
> +							   NULL, 0);

Read the kernel doc for this API and amend your code accordingly.

...

> +		if (num_lanes <= 0 || num_lanes > 2) {
> +			dev_err(dev,
> +				"Error on getting data lanes count from %pfwP: %d\n",
> +				fwnode, num_lanes);
> +			ret = num_lanes;

ret == 0?! Carefully consider all cases.

> +			goto unregister_mux;
> +		}

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2023-02-06 12:16 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-04 13:30 [PATCH v11 0/9] Register Type-C mode-switch in DP bridge endpoints Pin-yen Lin
2023-02-04 13:30 ` [PATCH v11 1/9] device property: Add remote endpoint to devcon matcher Pin-yen Lin
2023-02-05 21:11   ` Sakari Ailus
2023-02-09  4:28     ` Pin-yen Lin
2023-02-09  8:24       ` Sakari Ailus
2023-02-04 13:30 ` [PATCH v11 2/9] platform/chrome: cros_ec_typec: Purge blocking switch devlinks Pin-yen Lin
2023-02-04 13:30 ` [PATCH v11 3/9] drm/display: Add Type-C switch helpers Pin-yen Lin
2023-02-06 12:08   ` Andy Shevchenko
2023-02-06 12:15     ` Jani Nikula
2023-02-07 21:25   ` Andi Shyti
     [not found]     ` <CAEXTbpfxJVyL_TT7j1J0tbEjWnzj6JYOrEJZLa14OdHZQhYopg@mail.gmail.com>
2023-02-20  9:02       ` Pin-yen Lin
2023-02-04 13:30 ` [PATCH v11 4/9] dt-bindings: display: bridge: anx7625: Add mode-switch support Pin-yen Lin
2023-02-06  8:43   ` Chen-Yu Tsai
2023-02-04 13:30 ` [PATCH v11 5/9] drm/bridge: anx7625: Check for Type-C during panel registration Pin-yen Lin
2023-02-06 12:11   ` Andy Shevchenko
2023-02-04 13:30 ` [PATCH v11 6/9] drm/bridge: anx7625: Register Type C mode switches Pin-yen Lin
2023-02-06 12:16   ` Andy Shevchenko [this message]
2023-02-17 15:31   ` Nícolas F. R. A. Prado
2023-02-04 13:30 ` [PATCH v11 7/9] dt-bindings: display: bridge: it6505: Add mode-switch support Pin-yen Lin
2023-02-06 10:22   ` Chen-Yu Tsai
2023-02-07 20:52   ` Rob Herring
2023-02-09  3:59     ` Pin-yen Lin
2023-02-09 13:58       ` Rob Herring
2023-02-10  8:43         ` Pin-yen Lin
2023-02-04 13:30 ` [PATCH v11 8/9] drm/bridge: it6505: Fix Kconfig indentation Pin-yen Lin
2023-02-04 13:30 ` [PATCH v11 9/9] drm/bridge: it6505: Register Type C mode switches Pin-yen Lin
2023-02-06 12:17   ` Andy Shevchenko
2023-02-06  8:40 ` [PATCH v11 0/9] Register Type-C mode-switch in DP bridge endpoints Chen-Yu Tsai

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