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[35.185.214.157]) by smtp.gmail.com with ESMTPSA id z8-20020aa79e48000000b0051bc5f4df1csm4012839pfq.154.2022.07.11.00.24.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jul 2022 00:24:53 -0700 (PDT) From: Prashant Malani To: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, chrome-platform@lists.linux.dev Cc: bleung@chromium.org, heikki.krogerus@linux.intel.com, Prashant Malani , Daisuke Nojiri , "Dustin L. Howett" , Greg Kroah-Hartman , Guenter Roeck , "Gustavo A. R. Silva" , Kees Cook , Sebastian Reichel , Tzung-Bi Shih Subject: [PATCH v4 2/9] usb: typec: Add retimer handle to port Date: Mon, 11 Jul 2022 07:22:56 +0000 Message-Id: <20220711072333.2064341-3-pmalani@chromium.org> X-Mailer: git-send-email 2.37.0.144.g8ac04bfd2-goog In-Reply-To: <20220711072333.2064341-1-pmalani@chromium.org> References: <20220711072333.2064341-1-pmalani@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Similar to mux and orientation switch, add a handle for registered retimer to the port, so that it has handles to the various switches connected to it. Signed-off-by: Prashant Malani Acked-by: Heikki Krogerus --- Changes since v3: - No changes. Changes since v2: - No changes. Changes since v1: - Relinquish retimer reference during typec_release. drivers/usb/typec/class.c | 9 +++++++++ drivers/usb/typec/class.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 9062836bb638..f08e32d552b4 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -12,6 +12,7 @@ #include #include #include +#include #include "bus.h" #include "class.h" @@ -1736,6 +1737,7 @@ static void typec_release(struct device *dev) ida_destroy(&port->mode_ids); typec_switch_put(port->sw); typec_mux_put(port->mux); + typec_retimer_put(port->retimer); kfree(port->cap); kfree(port); } @@ -2249,6 +2251,13 @@ struct typec_port *typec_register_port(struct device *parent, return ERR_PTR(ret); } + port->retimer = typec_retimer_get(&port->dev); + if (IS_ERR(port->retimer)) { + ret = PTR_ERR(port->retimer); + put_device(&port->dev); + return ERR_PTR(ret); + } + ret = device_add(&port->dev); if (ret) { dev_err(parent, "failed to register port (%d)\n", ret); diff --git a/drivers/usb/typec/class.h b/drivers/usb/typec/class.h index 43fcf9e37a8c..673b2952b074 100644 --- a/drivers/usb/typec/class.h +++ b/drivers/usb/typec/class.h @@ -55,6 +55,7 @@ struct typec_port { enum typec_orientation orientation; struct typec_switch *sw; struct typec_mux *mux; + struct typec_retimer *retimer; const struct typec_capability *cap; const struct typec_operations *ops;