From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 22CA0396560; Thu, 2 Jul 2026 18:19:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783016367; cv=none; b=IO8sQeAkWHgXwvamvlN/CEjcK5ppeWXyURxEd2p4VF8E3a0YDtzJXgyXCXsXFCdShuWRRpmlzi6+hGinB0mId2VPGQBdfTHGyaW2syInS1/RqfQIbzNAiDLxidweB5fjlePeFW35IRXWBtXxPl9LOflwYyyfcjYVEFOCgLvhMUs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783016367; c=relaxed/simple; bh=iMO17iTJWoMt5HRqYvRyCxPEU2GVfSbOr9hY4SHBp+A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Q38be65v5ys4NBHsqRhSHXp5UWURQLwdy6++xNpT6Avw3CEOIPy1UQqCGCyrPPiB+SkP13ooC/sUvjxS6Yuk/LqYFqzjlJH0T5FjnM+/PIvPhD6cAccIGHu1qZhs81jWlR0l7/4MCG8JxcwcaCSkUHuxlm95EDmjqVybsZHQmAw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=tPBG9AD5; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="tPBG9AD5" Received: from killaraus.ideasonboard.com (2001-14ba-70f3-e800--a06.rev.dnainternet.fi [IPv6:2001:14ba:70f3:e800::a06]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 58B7F22B; Thu, 2 Jul 2026 20:18:36 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1783016316; bh=iMO17iTJWoMt5HRqYvRyCxPEU2GVfSbOr9hY4SHBp+A=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tPBG9AD57PqMUbbV4c8F5rp5Dxrl9hEWI7znN6ivnuTxoP6cW1ENk5f3fXliUt63a dep90ED20b45Z/eJfJHwHeb7IDRe7zMtvjNtjnQYHegXsWKAzK+0ZABu6pdBr6L4y7 dqc7sSKTDHBcNBd8iRFCrABCrH+2RpnDW3noPK34= Date: Thu, 2 Jul 2026 21:19:20 +0300 From: Laurent Pinchart To: Frank Li Cc: Sakari Ailus , Mauro Carvalho Chehab , Michael Riesch , Frank Li , Martin Kepplinger-Novakovic , Rui Miguel Silva , Purism Kernel Team , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, Guoniu Zhou , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v7 2/8] media: subdev: Add media_async_register_subdev() helper Message-ID: <20260702181920.GJ3534761@killaraus.ideasonboard.com> References: <20260702-imx8qxp_pcam-v7-0-b47d9e363400@nxp.com> <20260702-imx8qxp_pcam-v7-2-b47d9e363400@nxp.com> <20260702161519.GI3534761@killaraus.ideasonboard.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Thu, Jul 02, 2026 at 01:11:03PM -0500, Frank Li wrote: > On Thu, Jul 02, 2026 at 07:15:19PM +0300, Laurent Pinchart wrote: > > Hi Frank, > > > > Have you missed the comment in v6 ? > > > > https://lore.kernel.org/all/20260629084654.GB3054459@killaraus.ideasonboard.com/ > > Sorry, I forget emphased it in change log. > > "For the reason stated by Sakari in patch 1/9 (dependency from MC to > V4L2), I don't think a "media_async_register_subdev()" function is a > good idea." > > The reason already NOT existed in v7, I removed v4l2_fwnode_endpoint from > media_pad. So MC will not depdent to V4L2. > > So this comments is not suit for this version. media_async_register_subdev(), with its "media_" prefix, appears part of the MC API, but it operates on a subdev. At least the function name should be changed in my opinion. -- Regards, Laurent Pinchart