From: Jason Gunthorpe <jgg@nvidia.com>
To: Mark Brown <broonie@kernel.org>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>,
lee.jones@linaro.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Kiran Patil <kiran.patil@intel.com>,
Liam Girdwood <lgirdwood@gmail.com>,
linux-rdma <linux-rdma@vger.kernel.org>,
Greg KH <gregkh@linuxfoundation.org>,
Martin Habets <mhabets@solarflare.com>,
alsa-devel@alsa-project.org,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Fred Oh <fred.oh@linux.intel.com>,
Netdev <netdev@vger.kernel.org>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Jakub Kicinski <kuba@kernel.org>,
Dave Ertman <david.m.ertman@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Shiraz Saleem <shiraz.saleem@intel.com>,
David Miller <davem@davemloft.net>,
Leon Romanovsky <leonro@nvidia.com>,
Parav Pandit <parav@mellanox.com>
Subject: Re: [resend/standalone PATCH v4] Add auxiliary bus support
Date: Fri, 18 Dec 2020 10:08:54 -0400 [thread overview]
Message-ID: <20201218140854.GW552508@nvidia.com> (raw)
In-Reply-To: <20201218131709.GA5333@sirena.org.uk>
On Fri, Dec 18, 2020 at 01:17:09PM +0000, Mark Brown wrote:
> As previously discussed this will need the auxilliary bus extending to
> support at least interrupts and possibly also general resources.
I thought the recent LWN article summed it up nicely, auxillary bus is
for gluing to subsystems together using a driver specific software API
to connect to the HW, MFD is for splitting a physical HW into disjoint
regions of HW.
Maybe there is some overlap, but if you want to add HW representations
to the general auxillary device then I think you are using it for the
wrong thing.
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@nvidia.com>
To: Mark Brown <broonie@kernel.org>
Cc: Greg KH <gregkh@linuxfoundation.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Dan Williams <dan.j.williams@intel.com>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
<alsa-devel@alsa-project.org>,
Kiran Patil <kiran.patil@intel.com>,
linux-rdma <linux-rdma@vger.kernel.org>,
Shiraz Saleem <shiraz.saleem@intel.com>,
Martin Habets <mhabets@solarflare.com>,
"Liam Girdwood" <lgirdwood@gmail.com>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Fred Oh <fred.oh@linux.intel.com>,
"Dave Ertman" <david.m.ertman@intel.com>,
Jakub Kicinski <kuba@kernel.org>, Netdev <netdev@vger.kernel.org>,
Leon Romanovsky <leonro@nvidia.com>,
David Miller <davem@davemloft.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Parav Pandit <parav@mellanox.com>, <lee.jones@linaro.org>
Subject: Re: [resend/standalone PATCH v4] Add auxiliary bus support
Date: Fri, 18 Dec 2020 10:08:54 -0400 [thread overview]
Message-ID: <20201218140854.GW552508@nvidia.com> (raw)
In-Reply-To: <20201218131709.GA5333@sirena.org.uk>
On Fri, Dec 18, 2020 at 01:17:09PM +0000, Mark Brown wrote:
> As previously discussed this will need the auxilliary bus extending to
> support at least interrupts and possibly also general resources.
I thought the recent LWN article summed it up nicely, auxillary bus is
for gluing to subsystems together using a driver specific software API
to connect to the HW, MFD is for splitting a physical HW into disjoint
regions of HW.
Maybe there is some overlap, but if you want to add HW representations
to the general auxillary device then I think you are using it for the
wrong thing.
Jason
next prev parent reply other threads:[~2020-12-18 14:10 UTC|newest]
Thread overview: 114+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 0:54 [resend/standalone PATCH v4] Add auxiliary bus support Dan Williams
2020-12-03 0:54 ` Dan Williams
2020-12-03 15:06 ` Greg KH
2020-12-03 15:06 ` Greg KH
2020-12-04 2:33 ` Jason Gunthorpe
2020-12-04 2:33 ` Jason Gunthorpe
2020-12-04 3:37 ` Dan Williams
2020-12-04 3:37 ` Dan Williams
2020-12-03 15:07 ` Greg KH
2020-12-03 15:07 ` Greg KH
2020-12-03 15:55 ` Leon Romanovsky
2020-12-03 15:55 ` Leon Romanovsky
2020-12-04 11:42 ` Greg KH
2020-12-04 11:42 ` Greg KH
2020-12-04 11:43 ` [PATCH 1/3] driver core: auxiliary bus: move slab.h from include file Greg KH
2020-12-04 11:43 ` Greg KH
2020-12-04 11:44 ` [PATCH 2/3] driver core: auxiliary bus: make remove function return void Greg KH
2020-12-04 11:44 ` Greg KH
2020-12-04 11:44 ` [PATCH 3/3] driver core: auxiliary bus: minor coding style tweaks Greg KH
2020-12-04 11:44 ` Greg KH
2020-12-04 11:48 ` Greg KH
2020-12-04 11:48 ` Greg KH
2020-12-04 11:49 ` [PATCH v2 " Greg KH
2020-12-04 11:49 ` Greg KH
2020-12-04 12:32 ` [resend/standalone PATCH v4] Add auxiliary bus support Leon Romanovsky
2020-12-04 12:32 ` Leon Romanovsky
2020-12-04 12:43 ` Parav Pandit
2020-12-04 12:43 ` Parav Pandit
2020-12-04 12:59 ` Greg KH
2020-12-04 12:59 ` Greg KH
2020-12-04 17:10 ` Ranjani Sridharan
2020-12-04 17:10 ` Ranjani Sridharan
2020-12-05 9:02 ` Greg KH
2020-12-05 9:02 ` Greg KH
2020-12-04 16:41 ` Dan Williams
2020-12-04 16:41 ` Dan Williams
2020-12-05 15:51 ` Greg KH
2020-12-05 15:51 ` Greg KH
2020-12-17 21:19 ` Alexandre Belloni
2020-12-17 21:19 ` Alexandre Belloni
2020-12-18 2:39 ` Dan Williams
2020-12-18 2:39 ` Dan Williams
2020-12-18 14:20 ` Mark Brown
2020-12-18 14:20 ` Mark Brown
2020-12-18 7:10 ` Greg KH
2020-12-18 7:10 ` Greg KH
2020-12-18 13:17 ` Mark Brown
2020-12-18 13:17 ` Mark Brown
2020-12-18 13:46 ` Lee Jones
2020-12-18 13:46 ` Lee Jones
2020-12-18 14:08 ` Jason Gunthorpe [this message]
2020-12-18 14:08 ` Jason Gunthorpe
2020-12-18 15:52 ` Mark Brown
2020-12-18 15:52 ` Mark Brown
2020-12-18 16:28 ` Jason Gunthorpe
2020-12-18 16:28 ` Jason Gunthorpe
2020-12-18 17:15 ` Alexandre Belloni
2020-12-18 17:15 ` Alexandre Belloni
2020-12-18 18:03 ` Mark Brown
2020-12-18 18:03 ` Mark Brown
2020-12-18 18:41 ` Jason Gunthorpe
2020-12-18 18:41 ` Jason Gunthorpe
2020-12-18 19:09 ` Lee Jones
2020-12-18 19:09 ` Lee Jones
2020-12-18 20:14 ` Jason Gunthorpe
2020-12-18 20:14 ` Jason Gunthorpe
2020-12-18 20:32 ` Mark Brown
2020-12-18 20:32 ` Mark Brown
2020-12-18 20:58 ` Jason Gunthorpe
2020-12-18 20:58 ` Jason Gunthorpe
2020-12-18 21:16 ` Alexandre Belloni
2020-12-18 21:16 ` Alexandre Belloni
2020-12-18 22:36 ` Dan Williams
2020-12-18 22:36 ` Dan Williams
2020-12-18 23:36 ` Jason Gunthorpe
2020-12-18 23:36 ` Jason Gunthorpe
2020-12-19 0:22 ` Alexandre Belloni
2020-12-19 0:22 ` Alexandre Belloni
2020-12-21 18:51 ` Mark Brown
2020-12-21 18:51 ` Mark Brown
2021-01-04 18:08 ` Jason Gunthorpe
2021-01-04 18:08 ` Jason Gunthorpe
2021-01-04 21:19 ` Mark Brown
2021-01-04 21:19 ` Mark Brown
2021-01-05 0:13 ` Jason Gunthorpe
2021-01-05 0:13 ` Jason Gunthorpe
2021-01-05 0:51 ` Dan Williams
2021-01-05 0:51 ` Dan Williams
2021-01-05 1:53 ` Jason Gunthorpe
2021-01-05 1:53 ` Jason Gunthorpe
2021-01-05 3:12 ` Dan Williams
2021-01-05 3:12 ` Dan Williams
2021-01-05 12:49 ` Jason Gunthorpe
2021-01-05 12:49 ` Jason Gunthorpe
2021-01-05 13:42 ` Mark Brown
2021-01-05 13:42 ` Mark Brown
2021-01-05 14:36 ` Jason Gunthorpe
2021-01-05 14:36 ` Jason Gunthorpe
2021-01-05 15:47 ` Mark Brown
2021-01-05 15:47 ` Mark Brown
2020-12-04 12:35 ` Greg KH
2020-12-04 12:35 ` Greg KH
2020-12-04 12:54 ` Leon Romanovsky
2020-12-04 12:54 ` Leon Romanovsky
2020-12-04 16:25 ` Jakub Kicinski
2020-12-04 16:25 ` Jakub Kicinski
2020-12-04 17:57 ` Saeed Mahameed
2020-12-04 17:57 ` Saeed Mahameed
2020-12-04 18:05 ` Ranjani Sridharan
2020-12-04 18:05 ` Ranjani Sridharan
2020-12-06 0:24 ` David Ahern
2020-12-06 0:24 ` David Ahern
2020-12-06 0:32 ` Dan Williams
2020-12-06 0:32 ` Dan Williams
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