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=-25.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 08389C433FE for ; Fri, 4 Dec 2020 12:34:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6EC522A84 for ; Fri, 4 Dec 2020 12:34:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725867AbgLDMea (ORCPT ); Fri, 4 Dec 2020 07:34:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:50008 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725852AbgLDMe3 (ORCPT ); Fri, 4 Dec 2020 07:34:29 -0500 Date: Fri, 4 Dec 2020 13:35:05 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1607085228; bh=zmxko2CBQcTrRimzgblGXja5H1EAFSbtho5hMRphqPo=; h=From:To:Cc:Subject:References:In-Reply-To:From; b=EAiA0/sN4gEYu8wNjWKaEjoBeLgLcEJvii/TTk5yXELcQpVmaMRZ3jjzJj+Fa394+ 4PQIHgB4q/CIwQLwNEnsVjn1OYMpq0QbndnuBw4uxM9E2NjGJC6v8XEo94sNO9N+5p bI5n+GCr5KOe1ypzoIF6T4f6BaOqnFts+L/3lVtU= From: Greg KH To: Dan Williams Cc: broonie@kernel.org, lgirdwood@gmail.com, davem@davemloft.net, kuba@kernel.org, jgg@nvidia.com, Kiran Patil , Ranjani Sridharan , Fred Oh , Leon Romanovsky , Dave Ertman , Pierre-Louis Bossart , Shiraz Saleem , Parav Pandit , Martin Habets , linux-rdma@vger.kernel.org, netdev@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: Re: [resend/standalone PATCH v4] Add auxiliary bus support Message-ID: References: <160695681289.505290.8978295443574440604.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <160695681289.505290.8978295443574440604.stgit@dwillia2-desk3.amr.corp.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Wed, Dec 02, 2020 at 04:54:24PM -0800, Dan Williams wrote: > From: Dave Ertman > > Add support for the Auxiliary Bus, auxiliary_device and auxiliary_driver. > It enables drivers to create an auxiliary_device and bind an > auxiliary_driver to it. > > The bus supports probe/remove shutdown and suspend/resume callbacks. > Each auxiliary_device has a unique string based id; driver binds to > an auxiliary_device based on this id through the bus. > > Co-developed-by: Kiran Patil > Co-developed-by: Ranjani Sridharan > Co-developed-by: Fred Oh > Co-developed-by: Leon Romanovsky > Signed-off-by: Kiran Patil > Signed-off-by: Ranjani Sridharan > Signed-off-by: Fred Oh > Signed-off-by: Leon Romanovsky > Signed-off-by: Dave Ertman > Reviewed-by: Pierre-Louis Bossart > Reviewed-by: Shiraz Saleem > Reviewed-by: Parav Pandit > Reviewed-by: Dan Williams > Reviewed-by: Martin Habets > Link: https://lore.kernel.org/r/20201113161859.1775473-2-david.m.ertman@intel.com > Signed-off-by: Dan Williams > --- > This patch is "To:" the maintainers that have a pending backlog of > driver updates dependent on this facility, and "Cc:" Greg. Greg, I > understand you have asked for more time to fully review this and apply > it to driver-core.git, likely for v5.12, but please consider Acking it > for v5.11 instead. It looks good to me and several other stakeholders. > Namely, stakeholders that have pressure building up behind this facility > in particular Mellanox RDMA, but also SOF, Intel Ethernet, and later on > Compute Express Link. > > I will take the blame for the 2 months of silence that made this awkward > to take through driver-core.git, but at the same time I do not want to > see that communication mistake inconvenience other parties that > reasonably thought this was shaping up to land in v5.11. > > I am willing to host this version at: > > git://git.kernel.org/pub/scm/linux/kernel/git/djbw/linux tags/auxiliary-bus-for-5.11 > > ...for all the independent drivers to have a common commit baseline. It > is not there yet pending Greg's Ack. Here is now a signed tag for everyone else to pull from and build on top of, for 5.11-rc1, that includes this patch, and the 3 others I sent in this series. Please let me know if anyone has any problems with this tag. I'll keep it around until 5.11-rc1 is released, after which it doesn't make any sense to be there. thanks, greg k-h --------------- The following changes since commit f8394f232b1eab649ce2df5c5f15b0e528c92091: Linux 5.10-rc3 (2020-11-08 16:10:16 -0800) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git tags/auxbus-5.11-rc1 for you to fetch changes up to 0d2bf11a6b3e275a526b8d42d8d4a3a6067cf953: driver core: auxiliary bus: minor coding style tweaks (2020-12-04 13:30:59 +0100) ---------------------------------------------------------------- Auxiliary Bus support tag for 5.11-rc1 This is a signed tag for other subsystems to be able to pull in the auxiliary bus support into their trees for the 5.11-rc1 merge. Signed-off-by: Greg Kroah-Hartman ---------------------------------------------------------------- Dave Ertman (1): Add auxiliary bus support Greg Kroah-Hartman (3): driver core: auxiliary bus: move slab.h from include file driver core: auxiliary bus: make remove function return void driver core: auxiliary bus: minor coding style tweaks Documentation/driver-api/auxiliary_bus.rst | 234 ++++++++++++++++++++++++ Documentation/driver-api/index.rst | 1 + drivers/base/Kconfig | 3 + drivers/base/Makefile | 1 + drivers/base/auxiliary.c | 274 +++++++++++++++++++++++++++++ include/linux/auxiliary_bus.h | 77 ++++++++ include/linux/mod_devicetable.h | 8 + scripts/mod/devicetable-offsets.c | 3 + scripts/mod/file2alias.c | 8 + 9 files changed, 609 insertions(+) create mode 100644 Documentation/driver-api/auxiliary_bus.rst create mode 100644 drivers/base/auxiliary.c create mode 100644 include/linux/auxiliary_bus.h 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=-23.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 16987C4361A for ; Fri, 4 Dec 2020 12:34:53 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 A5CD322AAA for ; Fri, 4 Dec 2020 12:34:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A5CD322AAA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id B888D185D; Fri, 4 Dec 2020 13:33:59 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B888D185D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1607085289; bh=zmxko2CBQcTrRimzgblGXja5H1EAFSbtho5hMRphqPo=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=F8/L9AsFzBbOX+y0LFbU53hs/Vm4GKWZy1GILVrd+jRSzJigl84jShlJ7pJB0GLAD g76rw2TRQyPN+Q//Vuk2pY5rqSXlHSTZ76+GJ3X7VMXm+1/+Ig0sX3lXPqZodV4bdl R8UNL51jhYjEt90UhOBTyf2e6PM0VBibw4UFQMoo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 36DB1F80278; Fri, 4 Dec 2020 13:33:59 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D3B3BF8049C; Fri, 4 Dec 2020 13:33:57 +0100 (CET) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id E2DF1F8012A for ; Fri, 4 Dec 2020 13:33:50 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E2DF1F8012A Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="EAiA0/sN" Date: Fri, 4 Dec 2020 13:35:05 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1607085228; bh=zmxko2CBQcTrRimzgblGXja5H1EAFSbtho5hMRphqPo=; h=From:To:Cc:Subject:References:In-Reply-To:From; b=EAiA0/sN4gEYu8wNjWKaEjoBeLgLcEJvii/TTk5yXELcQpVmaMRZ3jjzJj+Fa394+ 4PQIHgB4q/CIwQLwNEnsVjn1OYMpq0QbndnuBw4uxM9E2NjGJC6v8XEo94sNO9N+5p bI5n+GCr5KOe1ypzoIF6T4f6BaOqnFts+L/3lVtU= From: Greg KH To: Dan Williams Subject: Re: [resend/standalone PATCH v4] Add auxiliary bus support Message-ID: References: <160695681289.505290.8978295443574440604.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <160695681289.505290.8978295443574440604.stgit@dwillia2-desk3.amr.corp.intel.com> Cc: Pierre-Louis Bossart , alsa-devel@alsa-project.org, Kiran Patil , linux-rdma@vger.kernel.org, Shiraz Saleem , Martin Habets , lgirdwood@gmail.com, Ranjani Sridharan , Fred Oh , broonie@kernel.org, jgg@nvidia.com, Dave Ertman , kuba@kernel.org, netdev@vger.kernel.org, Leon Romanovsky , davem@davemloft.net, linux-kernel@vger.kernel.org, Parav Pandit X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Wed, Dec 02, 2020 at 04:54:24PM -0800, Dan Williams wrote: > From: Dave Ertman > > Add support for the Auxiliary Bus, auxiliary_device and auxiliary_driver. > It enables drivers to create an auxiliary_device and bind an > auxiliary_driver to it. > > The bus supports probe/remove shutdown and suspend/resume callbacks. > Each auxiliary_device has a unique string based id; driver binds to > an auxiliary_device based on this id through the bus. > > Co-developed-by: Kiran Patil > Co-developed-by: Ranjani Sridharan > Co-developed-by: Fred Oh > Co-developed-by: Leon Romanovsky > Signed-off-by: Kiran Patil > Signed-off-by: Ranjani Sridharan > Signed-off-by: Fred Oh > Signed-off-by: Leon Romanovsky > Signed-off-by: Dave Ertman > Reviewed-by: Pierre-Louis Bossart > Reviewed-by: Shiraz Saleem > Reviewed-by: Parav Pandit > Reviewed-by: Dan Williams > Reviewed-by: Martin Habets > Link: https://lore.kernel.org/r/20201113161859.1775473-2-david.m.ertman@intel.com > Signed-off-by: Dan Williams > --- > This patch is "To:" the maintainers that have a pending backlog of > driver updates dependent on this facility, and "Cc:" Greg. Greg, I > understand you have asked for more time to fully review this and apply > it to driver-core.git, likely for v5.12, but please consider Acking it > for v5.11 instead. It looks good to me and several other stakeholders. > Namely, stakeholders that have pressure building up behind this facility > in particular Mellanox RDMA, but also SOF, Intel Ethernet, and later on > Compute Express Link. > > I will take the blame for the 2 months of silence that made this awkward > to take through driver-core.git, but at the same time I do not want to > see that communication mistake inconvenience other parties that > reasonably thought this was shaping up to land in v5.11. > > I am willing to host this version at: > > git://git.kernel.org/pub/scm/linux/kernel/git/djbw/linux tags/auxiliary-bus-for-5.11 > > ...for all the independent drivers to have a common commit baseline. It > is not there yet pending Greg's Ack. Here is now a signed tag for everyone else to pull from and build on top of, for 5.11-rc1, that includes this patch, and the 3 others I sent in this series. Please let me know if anyone has any problems with this tag. I'll keep it around until 5.11-rc1 is released, after which it doesn't make any sense to be there. thanks, greg k-h --------------- The following changes since commit f8394f232b1eab649ce2df5c5f15b0e528c92091: Linux 5.10-rc3 (2020-11-08 16:10:16 -0800) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git tags/auxbus-5.11-rc1 for you to fetch changes up to 0d2bf11a6b3e275a526b8d42d8d4a3a6067cf953: driver core: auxiliary bus: minor coding style tweaks (2020-12-04 13:30:59 +0100) ---------------------------------------------------------------- Auxiliary Bus support tag for 5.11-rc1 This is a signed tag for other subsystems to be able to pull in the auxiliary bus support into their trees for the 5.11-rc1 merge. Signed-off-by: Greg Kroah-Hartman ---------------------------------------------------------------- Dave Ertman (1): Add auxiliary bus support Greg Kroah-Hartman (3): driver core: auxiliary bus: move slab.h from include file driver core: auxiliary bus: make remove function return void driver core: auxiliary bus: minor coding style tweaks Documentation/driver-api/auxiliary_bus.rst | 234 ++++++++++++++++++++++++ Documentation/driver-api/index.rst | 1 + drivers/base/Kconfig | 3 + drivers/base/Makefile | 1 + drivers/base/auxiliary.c | 274 +++++++++++++++++++++++++++++ include/linux/auxiliary_bus.h | 77 ++++++++ include/linux/mod_devicetable.h | 8 + scripts/mod/devicetable-offsets.c | 3 + scripts/mod/file2alias.c | 8 + 9 files changed, 609 insertions(+) create mode 100644 Documentation/driver-api/auxiliary_bus.rst create mode 100644 drivers/base/auxiliary.c create mode 100644 include/linux/auxiliary_bus.h