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[34.125.73.210]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-201f03758a6sm66871225ad.180.2024.08.19.15.38.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Aug 2024 15:38:47 -0700 (PDT) From: Stephen Boyd To: chrome-platform@lists.linux.dev Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev, devicetree@vger.kernel.org, Douglas Anderson , Pin-yen Lin , Andrzej Hajda , Benson Leung , Conor Dooley , Daniel Vetter , David Airlie , Dmitry Baryshkov , dri-devel@lists.freedesktop.org, Guenter Roeck , Jernej Skrabec , Jonas Karlman , Krzysztof Kozlowski , Laurent Pinchart , Lee Jones , Maarten Lankhorst , Maxime Ripard , Neil Armstrong , Prashant Malani , Robert Foss , Rob Herring , Thomas Zimmermann , Tzung-Bi Shih , Alexandre Belloni , Andy Shevchenko , Daniel Scally , Greg Kroah-Hartman , Heikki Krogerus , Ivan Orlov , linux-acpi@vger.kernel.org, linux-usb@vger.kernel.org, Mika Westerberg , "Rafael J . Wysocki" , Sakari Ailus , Vinod Koul Subject: [PATCH v3 05/17] usb: typec: Add device managed typec_switch_register() Date: Mon, 19 Aug 2024 15:38:19 -0700 Message-ID: <20240819223834.2049862-6-swboyd@chromium.org> X-Mailer: git-send-email 2.46.0.184.g6999bdac58-goog In-Reply-To: <20240819223834.2049862-1-swboyd@chromium.org> References: <20240819223834.2049862-1-swboyd@chromium.org> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Simplify driver error paths by adding devm_typec_switch_register() which will unregister the typec switch when the parent device is unbound. Cc: Heikki Krogerus Cc: Greg Kroah-Hartman Cc: Cc: Pin-yen Lin Signed-off-by: Stephen Boyd --- drivers/usb/typec/mux.c | 27 +++++++++++++++++++++++++++ include/linux/usb/typec_mux.h | 9 +++++++++ 2 files changed, 36 insertions(+) diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c index 65c60eb56428..3531ab03bac4 100644 --- a/drivers/usb/typec/mux.c +++ b/drivers/usb/typec/mux.c @@ -235,6 +235,33 @@ void typec_switch_unregister(struct typec_switch_dev *sw_dev) } EXPORT_SYMBOL_GPL(typec_switch_unregister); +static void devm_typec_switch_unregister(struct device *dev, void *switch_dev) +{ + typec_switch_unregister(*(struct typec_switch_dev **)switch_dev); +} + +struct typec_switch_dev * +devm_typec_switch_register(struct device *parent, + const struct typec_switch_desc *desc) +{ + struct typec_switch_dev **ptr, *switch_dev; + + ptr = devres_alloc(devm_typec_switch_unregister, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + switch_dev = typec_switch_register(parent ,desc); + if (!IS_ERR(switch_dev)) { + *ptr = switch_dev; + devres_add(parent, ptr); + } else { + devres_free(ptr); + } + + return switch_dev; +} +EXPORT_SYMBOL_GPL(devm_typec_switch_register); + void typec_switch_set_drvdata(struct typec_switch_dev *sw_dev, void *data) { dev_set_drvdata(&sw_dev->dev, data); diff --git a/include/linux/usb/typec_mux.h b/include/linux/usb/typec_mux.h index c6f49756530d..fe7a05dd71c8 100644 --- a/include/linux/usb/typec_mux.h +++ b/include/linux/usb/typec_mux.h @@ -34,6 +34,9 @@ int typec_switch_set(struct typec_switch *sw, struct typec_switch_dev * typec_switch_register(struct device *parent, const struct typec_switch_desc *desc); +struct typec_switch_dev * +devm_typec_switch_register(struct device *parent, + const struct typec_switch_desc *desc); void typec_switch_unregister(struct typec_switch_dev *sw); void typec_switch_set_drvdata(struct typec_switch_dev *sw, void *data); @@ -59,6 +62,12 @@ typec_switch_register(struct device *parent, { return ERR_PTR(-EOPNOTSUPP); } +static inline struct typec_switch_dev * +devm_typec_switch_register(struct device *parent, + const struct typec_switch_desc *desc) +{ + return typec_switch_register(parent, desc); +} 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) {}