From patchwork Mon Jul 11 07:22:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prashant Malani X-Patchwork-Id: 12913014 Received: from mail-pg1-f175.google.com (mail-pg1-f175.google.com [209.85.215.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8C74D1FB7 for ; Mon, 11 Jul 2022 07:24:54 +0000 (UTC) Received: by mail-pg1-f175.google.com with SMTP id r22so4032185pgr.2 for ; Mon, 11 Jul 2022 00:24:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Fbb8SneSCjlmPlmsdgGOqvR9vFnuRN+8XsuuuV97jTk=; b=ZVKUq5m0ZGeJ0bDPk/Of0lw3vBoAXuog+tiV0oMC8syhvllGn1ciGoliPyV853yuKm sVVc6Y2oOXnO+hVVZX7nkCW3QXv6hyjdC8gJtuMBKib3QOjiikDNvVMwVtSVDzMyKZpJ krYJ/WakyTmo6Mbs2UVgIxUlQgki2I0GOQHqM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Fbb8SneSCjlmPlmsdgGOqvR9vFnuRN+8XsuuuV97jTk=; b=8CjMDCZkjGNkXnprMAI17gUlwov2d6HoRfIdc+X7XLQhnUlEpIgYSivDhzb9BrGW/V /aQpvOlGG42ysspwyf9tRSdxC6MOgxvSD2K1z+jzWYAZEkPqU7lP12qRnKG3YUJ5NIRZ SMnYJYLGue2f5rCsD5r3Eq4knfuhUCXz5V0mgyI39R1d8Wa/Ws57vVtpGkSF8hYNPn0W fU+Xejd+BbXQ3neyl197c53B9cf2kJP7efCjTqtec27BgBvpAOkTcOTbWnWUcgZ7ra04 dZ01b7Yt2m6lS4dRURdzsNhqqWJNqyOih+GxmXwpnX7dYManAMvkyTp/JFRUcgeta1tB 8Hbw== X-Gm-Message-State: AJIora+IaUW4IkPeoT73dEnHG9BumYYA6yAHUG9KYu53abmdeWO7toKG OAt3ziCii6uy17N+DqQOqzNQog== X-Google-Smtp-Source: AGRyM1sfH/Q2h4TbuPD98mQptsgz1V0zqedGbU2qSmm2w78N9wr2dQSx0cPWrKh87Zb6IhQ0gNZ/vQ== X-Received: by 2002:a65:6bca:0:b0:411:f92b:5e39 with SMTP id e10-20020a656bca000000b00411f92b5e39mr15338585pgw.259.1657524294041; Mon, 11 Jul 2022 00:24:54 -0700 (PDT) Received: from pmalani.c.googlers.com.com (157.214.185.35.bc.googleusercontent.com. [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> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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;