From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Q9aSLNdw" Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6E6BC1 for ; Tue, 21 Nov 2023 02:46:12 -0800 (PST) Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-40907b82ab9so15832185e9.1 for ; Tue, 21 Nov 2023 02:46:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1700563571; x=1701168371; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=9YQ9oHc/Z7VmSRjGiVHn+TQLl6XB6fBGVSa6lAReK2Q=; b=Q9aSLNdw6yAfSioECxmYigf43Sqf8Qf3gce0gwoIcA/Yk29mEoHTP5K89hbYxqdOYu 9VPW42ZBNB8nmGuO1ZiuhGvvihXI5zXrNqcre6UZQJ7cAwmZTPLOHEuSOItWSHgN8N7r OKq8I7nEqIo4xXSx3uC6iT9WZNrbVnXAiFKf9NFyRgBkTQG3nvikyMAA7+E5Azczc3R0 FwpMogbCuGDiC9pna/ktT36F4U46dSQnkP9A3dhxwXbkfDT7yN8TrdJjrz2KLVKvMVXz wW4/QMywFPvX9ZTmATEi7JdSAZktYBIysTLr75FZ/V4mIPWYlesov/udsHkvJsrCwMf6 8KZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700563571; x=1701168371; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9YQ9oHc/Z7VmSRjGiVHn+TQLl6XB6fBGVSa6lAReK2Q=; b=cEmL6ao6zv06vGkwztTRXqqrPevu+OtGsn1C8PgXGpdYJYrTpz8fHLPkbi8qFb1KWJ N4+K2W7riyouX6ei3rQ5LyBr9FXSdhDvwAfqWuH3z15eYQq0XMy+fAMllMt9FUCrloQJ +5nF/HNgw+KFZ1aLrHQBcmwBoKL6/jokgQ0u6uCK+ciAEIlK9gR/BpzB88Oy7SgyhwlV bY5fBugVY/rp4ZNdc33aBXmjgHfiaTkHZfBdTjY4j2E2Yxto2S93JuvA5sOSkKGtqm+N 7f7blT0CkZ4imVK5YaAY183a7OJLJGICRSjv4B6caGDbBS4T5mPEU2PYNxfbYOMTXvU0 a2+Q== X-Gm-Message-State: AOJu0YwWVfJNM6tG4lykFUY9s3F/PHq9FHdCtQTt3CR31KPSth0yZwDG oeAvXp42Tgp/VwpyN9124HClDg== X-Google-Smtp-Source: AGHT+IEeZ8W+Q8V/otGe4qIWbM9OBl6X7yXc7iTRxrT4SgTPAzPVtLB58IlgIl50TaKNv0wMDaLYNA== X-Received: by 2002:a05:6000:18ae:b0:332:c789:4bed with SMTP id b14-20020a05600018ae00b00332c7894bedmr1937246wri.23.1700563571319; Tue, 21 Nov 2023 02:46:11 -0800 (PST) Received: from [192.168.100.102] ([37.228.218.3]) by smtp.gmail.com with ESMTPSA id q15-20020adff94f000000b0033169676e83sm14261662wrr.13.2023.11.21.02.46.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Nov 2023 02:46:10 -0800 (PST) Message-ID: Date: Tue, 21 Nov 2023 10:46:08 +0000 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 6/6] usb: typec: qcom-pmic-typec: switch to DRM_AUX_HPD_BRIDGE Content-Language: en-US To: Dmitry Baryshkov , David Airlie , Daniel Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Andy Gross , Bjorn Andersson , Konrad Dybcio , Vinod Koul , Kishon Vijay Abraham I , Heikki Krogerus , Greg Kroah-Hartman Cc: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org, freedreno@lists.freedesktop.org References: <20231103230414.1483428-1-dmitry.baryshkov@linaro.org> <20231103230414.1483428-7-dmitry.baryshkov@linaro.org> From: Bryan O'Donoghue In-Reply-To: <20231103230414.1483428-7-dmitry.baryshkov@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 03/11/2023 23:03, Dmitry Baryshkov wrote: > Use the freshly defined DRM_AUX_HPD_BRIDGE instead of open-coding the > same functionality for the DRM bridge chain termination. > > Signed-off-by: Dmitry Baryshkov > + bridge_dev = drm_dp_hpd_bridge_register(tcpm->dev, to_of_node(tcpm->tcpc.fwnode)); > + if (IS_ERR(bridge_dev)) > + return PTR_ERR(bridge_dev); > + What is the effect if we never attach any bridged devices ? We make an aux device that just hangs around and eventually get cleaned up on release ? That's the way I read this code anyway. Acked-by: Bryan O'Donoghue