linux-kernel - Re: [PATCH v3 03/17] usb: typec: Stub out typec_switch APIs when CONFIG

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZsRr-sO29KRYFxjw@smile.fi.intel.com>
Date: Tue, 20 Aug 2024 13:12:10 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Stephen Boyd <swboyd@...omium.org>
Cc: chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org,
	patches@...ts.linux.dev, devicetree@...r.kernel.org,
	Douglas Anderson <dianders@...omium.org>,
	Pin-yen Lin <treapking@...omium.org>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Benson Leung <bleung@...omium.org>,
	Conor Dooley <conor+dt@...nel.org>, Daniel Vetter <daniel@...ll.ch>,
	David Airlie <airlied@...il.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	dri-devel@...ts.freedesktop.org,
	Guenter Roeck <groeck@...omium.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Jonas Karlman <jonas@...boo.se>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Lee Jones <lee@...nel.org>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Prashant Malani <pmalani@...omium.org>,
	Robert Foss <rfoss@...nel.org>, Rob Herring <robh+dt@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Tzung-Bi Shih <tzungbi@...nel.org>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Daniel Scally <djrscally@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Ivan Orlov <ivan.orlov0322@...il.com>, linux-acpi@...r.kernel.org,
	linux-usb@...r.kernel.org,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Vinod Koul <vkoul@...nel.org>
Subject: Re: [PATCH v3 03/17] usb: typec: Stub out typec_switch APIs when
 CONFIG_TYPEC=n

On Mon, Aug 19, 2024 at 03:38:17PM -0700, Stephen Boyd wrote:
> Ease driver development by adding stubs for the typec_switch APIs when
> CONFIG_TYPEC=n. Copy the same method used for the typec_mux APIs to be
> consistent.

> Cc: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: <linux-usb@...r.kernel.org>
> Cc: Pin-yen Lin <treapking@...omium.org>

Since it's not a DRM subsystem, can we move Cc after the --- line with the same
effect minus Git commit pollution?

...

> +#else

Do you need

#include <linux/err.h>

here? Or is it already included at the top of the file?

> +static inline struct typec_switch *
> +fwnode_typec_switch_get(struct fwnode_handle *fwnode)
> +{
> +	return NULL;
> +}
> +static inline void typec_switch_put(struct typec_switch *sw) {}
> +static inline int typec_switch_set(struct typec_switch *sw,
> +		     enum typec_orientation orientation)
> +{
> +	return 0;
> +}
> +
> +static inline struct typec_switch_dev *
> +typec_switch_register(struct device *parent,
> +		      const struct typec_switch_desc *desc)
> +{
> +	return ERR_PTR(-EOPNOTSUPP);
> +}
> +static inline void typec_switch_unregister(struct typec_switch_dev *sw) {}
> +
> +static inline void typec_switch_set_drvdata(struct typec_switch_dev *sw, void *data) {}
> +static inline void *typec_switch_get_drvdata(struct typec_switch_dev *sw)
> +{
> +	return ERR_PTR(-EOPNOTSUPP);
> +}
> +
> +#endif /* CONFIG_TYPEC */

-- 
With Best Regards,
Andy Shevchenko