Date:   Mon, 6 Feb 2023 14:08:34 +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 <robert.foss@linaro.org>,
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        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>,
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        =?iso-8859-1?Q?N=EDcolas_F_=2E_R_=2E_A_=2E?= Prado 
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        "Gustavo A. R. Silva" <gustavoars@kernel.org>,
        Imre Deak <imre.deak@intel.com>,
        Jani Nikula <jani.nikula@intel.com>,
        Kees Cook <keescook@chromium.org>,
        Thierry Reding <treding@nvidia.com>
Subject: Re: [PATCH v11 3/9] drm/display: Add Type-C switch helpers
Message-ID: <Y+Dtwm39cGQO58xa@smile.fi.intel.com>
References: <20230204133040.1236799-1-treapking@chromium.org>
 <20230204133040.1236799-4-treapking@chromium.org>
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Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
Precedence: bulk

On Sat, Feb 04, 2023 at 09:30:34PM +0800, Pin-yen Lin wrote:
> Add helpers to register and unregister Type-C "switches" for bridges
> capable of switching their output between two downstream devices.
> 
> The helper registers USB Type-C mode switches when the "mode-switch"
> and the "reg" properties are available in Device Tree.

...

> +	fwnode_for_each_child_node(port, sw) {
> +		if (fwnode_property_present(sw, "mode-switch"))

This idiom is being used at least twice (in this code, haven't checked the rest
of the patches, though), perhaps

#define fwnode_for_each_typec_mode_switch(port, sw)			\
	fwnode_for_each_child_node(port, sw)				\
		if (!fwnode_property_present(sw, "mode-switch")) {} else

?

-- 
With Best Regards,
Andy Shevchenko