From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F98CC433E0 for ; Wed, 27 May 2020 12:17:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 339E020657 for ; Wed, 27 May 2020 12:17:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WieqQgMJ"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ppw1YZ13" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 339E020657 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=XYhwx9cXiatqGCvl3grUX/qC29sPryPCI1K5Ta+0o/U=; b=WieqQgMJcCyLTz Fft98Axcd5LjIWGuBcXuIXPhq/gmswyt+3MJolX2uPiLbumRbMJviH8mZwyJnbduvs32AB5KOtIKg zzASL51J2vqMCg4AkInWUxhomuS91yElRjBaHSKmVRTWJKtGaoBxb1fmsz8/q8Eu9z5PshcQqcUeJ F2hx3ZxG7tM8h0YMEeOMki+qsB75wQ9QILvQQut/qPWbVlY21QVyWAuu2rBeTVrPbdvvNU1BF+PBj iz2kHrqM6pzRyM98xrwbATQ+Yp3FgKW+hdpsUIK6QS9eqfOngev71fj54KkidDK6URDI8PYDY/6f1 AGnydkvJSwHipvaN59Zw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jduzT-0003dM-Uh; Wed, 27 May 2020 12:16:59 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdurj-0000XZ-4C; Wed, 27 May 2020 12:09:00 +0000 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1643E207D8; Wed, 27 May 2020 12:08:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590581338; bh=QQD+MRgE+NZNCZ1eRvLYNsmu3HPx3aINjpU48jwRlJg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ppw1YZ13U3GlFvOUOKJHjPS6spIo3N1LnVyxUGcYWXLlt024/UzwJ/j8caj9QRbTT aStNnpVrgk/9GGow9w2VyKFQ6ePWmKMXiHP945Qbwoml51r0Kleg1cpF40zR8TI9kv Tv3jem1MlMHO38AXGJOvAA8k+fHHZha6t1JWxNVs= Date: Wed, 27 May 2020 14:08:55 +0200 From: Greg KH To: Nicolas Saenz Julienne Subject: Re: [RFC 00/50] staging: vchiq: Getting rid of the vchi/vchiq split Message-ID: <20200527120855.GA429709@kroah.com> References: <20200527115400.31391-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200527115400.31391-1-nsaenzjulienne@suse.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200527_050859_311719_73B89C9B X-CRM114-Status: GOOD ( 15.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, kernel-list@raspberrypi.com, linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, laurent.pinchart@ideasonboard.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, May 27, 2020 at 01:53:05PM +0200, Nicolas Saenz Julienne wrote: > vchi acts as a mid layer between vchiq and its kernel services, while > arguably providing little to no benefit: half of the functions exposed > are a 1:1 copy of vchiq's, and the rest provide some functionality which > can be easly integrated into vchiq without all the churn. Moreover it > has been found in the past as a blockage to further fixes in vchiq as > every change needed its vchi counterpart, if even possible. > > Hence this series, which merges all vchi functionality into vchiq and > provies a simpler and more concise API to services. > > I'm aware that kernel's vchi API tries to mimic its userspace > counterpart (or vice versa). Obviously this breaks the parity, but I > don't think it's a sane goal to have. There is little sense or gain from > it, and adds impossible constraints to upstreaming the driver. > > Overall the series falls short of removing 1500 lines of code, which is > pretty neat on itself. > > So far it has been tested trough bcm2835-camera, audio and vchiq-test. I > can't do much about vc-sm-cma for now, but the changes are done in a way > that shouldn't affect its behaviour. > > Note that the series builds up on RPi/Laurent's camera support series[1] > and can't yet be merged. We'd have to coordinate here. We could either > wait for the vc_sm_cma rework (if it's not going to take months and > months to finish), or factor out all the vc-sm-cma stuff, merge that into > the downstream kernel and take the rest of the series on top of > Laurent's mmal-vchiq changes. These look great, but due to the dependancy, I can't take them all. But I can take the first 10, so I did that, they are now queued up, thanks! greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel