From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2EB3434AAF7; Fri, 21 Nov 2025 14:18:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763734715; cv=none; b=Psf2pJamhfOWXjRB7WLZhb0NO9FZks1tm3V6L2aul2zFcBqo1zeu81VGyCap5E7tYnyvGanuDC5IWHH6XbybZ8cm0oQeRGcvXbwvWlxKLSdRR9yoZZUlezkpAbNFHeyxOGltXMFJSkTAxBWsGS+XBuZmueSTDtiSIfFvl9+uIbo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763734715; c=relaxed/simple; bh=7ykWYfNeXBP9xhRMOGHYkSJQ+oeDMqaGVDI5K6Z6yPI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VJQtfLkWfZfdFJDSkQc3SXluJfqBak/qryS76uFvJo7vzrXVVmqCn/IT9NIirHXj2TER2vlhsL1+7lUSpp3y3lNXTVL9sd20Bppa5vOd2PETjirVGFa1H5Dw7/TZT4RcTtt/JWvowDkccOau92Yrs9D3sNPF9/2SyPEzFAeRWY8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=i3rS3lc8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="i3rS3lc8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23600C116C6; Fri, 21 Nov 2025 14:18:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1763734714; bh=7ykWYfNeXBP9xhRMOGHYkSJQ+oeDMqaGVDI5K6Z6yPI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=i3rS3lc8q8yGKuccSf3yMj75an1MrewEFf3kOpSVN1Itlqjn6CWMKnDbM1Q+Liqt6 mkNEoSVgcJGe/BF/nBOhbQBj3I5iEIhyuquCfuN8nhyM6KbMg+9zvCvxCF3P3Heb0n LPV4Ir6ZbRyF4j9okG+sFB0ssPvAfegwt33s/t0c= Date: Fri, 21 Nov 2025 15:07:03 +0100 From: Greg Kroah-Hartman To: Chaoyi Chen Cc: Heikki Krogerus , Dmitry Baryshkov , Peter Chen , Luca Ceresoli , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Chaoyi Chen , Dragan Simic , Johan Jonker , Diederik de Haas , Peter Robinson , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v10 01/11] usb: typec: Add notifier functions Message-ID: <2025112102-laurel-mulch-58e4@gregkh> References: <20251120022343.250-1-kernel@airkyi.com> <20251120022343.250-2-kernel@airkyi.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251120022343.250-2-kernel@airkyi.com> On Thu, Nov 20, 2025 at 10:23:33AM +0800, Chaoyi Chen wrote: > From: Chaoyi Chen > > Some other part of kernel may want to know the event of typec bus. Be specific, WHAT part of the kernel will need to know this? And why a new notifier, why not just use the existing notifiers that you already have? And what is this going to be used for? Notifiers are a pain, and should almost never be added. Use real function calls instead. thanks, greg k-h