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From: Mark Brown <broonie@kernel.org>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: alsa-devel@alsa-project.org, tiwai@suse.de,
	gregkh@linuxfoundation.org, ranjani.sridharan@intel.com,
	parav@nvidia.com, jgg@nvidia.com,
	Dave Ertman <david.m.ertman@intel.com>
Subject: Re: [PATCH 0/6] Ancillary bus implementation and SOF multi-client support
Date: Thu, 1 Oct 2020 16:24:50 +0100	[thread overview]
Message-ID: <20201001152450.GK6715@sirena.org.uk> (raw)
In-Reply-To: <ddb019b8-4370-eca8-911f-38adf0531076@linux.intel.com>

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On Thu, Oct 01, 2020 at 09:07:19AM -0500, Pierre-Louis Bossart wrote:

> > > are controlled by DT/ACPI. The same argument applies for not using MFD
> > > in this scenario as it relies on individual function devices being
> > > physical devices that are DT enumerated.

> > MFD has no reliance on devices being DT enumerated, it works on systems
> > that don't have DT and in many cases it's not clear that the split you'd

...

> To the best of my knowledge, the part of 'individual function devices being
> physical devices' is correct though. MFDs typically expose different
> functions on a single physical bus, and the functions are separated out by
> register maps. In the case where there's no physical bus/device and no
> register map it's unclear how MFDs would help?

MFD doesn't care.  All MFD is doing is instantiating platform devices
and providing mechanisms to pass resources through from the parent
device to the child devices.  It doesn't really matter to it which if
any combination of resources are being provided to the children or what
the devices represent.

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  reply	other threads:[~2020-10-01 15:26 UTC|newest]

Thread overview: 109+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-30 22:50 [PATCH 0/6] Ancillary bus implementation and SOF multi-client support Dave Ertman
2020-09-30 22:50 ` [PATCH 1/6] Add ancillary bus support Dave Ertman
2020-09-30 23:05   ` Jason Gunthorpe
2020-10-01 11:01   ` Greg KH
2020-10-01 11:46     ` Jason Gunthorpe
2020-10-01 11:54       ` Greg KH
2020-10-01 12:02         ` Jason Gunthorpe
2020-10-01 12:15           ` Greg KH
2020-10-01 18:26             ` Ertman, David M
2020-10-01 11:02   ` Greg KH
2020-10-01 16:30     ` Ertman, David M
2020-10-01 11:05   ` Greg KH
2020-10-01 11:58     ` Jason Gunthorpe
2020-10-01 12:14       ` Greg KH
2020-10-01 14:33         ` Jason Gunthorpe
2020-10-01 14:38           ` Greg KH
2020-10-01 16:06             ` Pierre-Louis Bossart
2020-10-01 17:42             ` Jason Gunthorpe
2020-10-01 14:39           ` Parav Pandit
2020-10-01 14:43             ` Greg KH
2020-10-01 13:27   ` Mark Brown
2020-09-30 22:50 ` [PATCH 2/6] ASoC: SOF: Introduce descriptors for SOF client Dave Ertman
2020-10-01 13:02   ` Greg KH
2020-10-01 15:59     ` Sridharan, Ranjani
2020-10-01 22:16     ` Sridharan, Ranjani
2020-10-02  4:53       ` gregkh
2020-10-02 17:07         ` Sridharan, Ranjani
2020-10-03  9:02           ` gregkh
2020-10-05  2:35             ` Sridharan, Ranjani
2020-10-05 11:27               ` gregkh
2020-10-05 15:18                 ` Pierre-Louis Bossart
2020-10-05 15:32                   ` gregkh
2020-10-01 13:38   ` Mark Brown
2020-10-01 16:48     ` Sridharan, Ranjani
2020-09-30 22:50 ` [PATCH 3/6] ASoC: SOF: Create client driver for IPC test Dave Ertman
2020-10-01 13:04   ` Greg KH
2020-10-01 16:46     ` Sridharan, Ranjani
2020-10-01 13:09   ` Greg KH
2020-10-01 13:55     ` Pierre-Louis Bossart
2020-10-01 16:48       ` Ertman, David M
2020-10-01 13:59   ` Mark Brown
2020-09-30 22:50 ` [PATCH 4/6] ASoC: SOF: ops: Add ops for client registration Dave Ertman
2020-09-30 22:50 ` [PATCH 5/6] ASoC: SOF: Intel: Define " Dave Ertman
2020-09-30 22:50 ` [PATCH 6/6] ASoC: SOF: debug: Remove IPC flood test support in SOF core Dave Ertman
2020-10-01  5:58 ` [PATCH 0/6] Ancillary bus implementation and SOF multi-client support Greg KH
2020-10-01 15:54   ` Ertman, David M
2020-10-01  7:14 ` Greg KH
2020-10-01 15:55   ` Ertman, David M
2020-10-01 16:10     ` Greg KH
2020-10-01 17:13       ` Ertman, David M
2020-10-02 20:23   ` Ertman, David M
2020-10-03  9:08     ` Greg KH
2020-10-03  9:09       ` Greg KH
2020-10-04  2:26       ` Parav Pandit
2020-10-04 23:45       ` Williams, Dan J
2020-10-05  1:18         ` Ertman, David M
2020-10-05  2:39           ` Parav Pandit
2020-10-05 11:25         ` gregkh
2020-10-06 22:40           ` Dan Williams
2020-10-07  9:14             ` gregkh
2020-10-07 16:19               ` Dan Williams
2020-10-07 16:22                 ` Mark Brown
2020-10-07 16:41                   ` Dan Williams
2020-10-07 16:42                   ` Pierre-Louis Bossart
2020-10-07 16:56                     ` Parav Pandit
2020-10-01 10:05 ` Rojewski, Cezary
2020-10-01 10:59   ` gregkh
2020-10-01 12:49     ` Jason Gunthorpe
2020-10-01 12:55       ` gregkh
2020-10-01 13:26         ` Jason Gunthorpe
2020-10-01 14:17           ` gregkh
2020-10-01 15:08         ` Parav Pandit
2020-10-01 12:50 ` Mark Brown
2020-10-01 13:12   ` Greg KH
2020-10-01 13:42     ` Jason Gunthorpe
2020-10-01 14:40     ` Mark Brown
2020-10-01 15:32       ` Greg KH
2020-10-01 16:03         ` Mark Brown
2020-10-01 18:16           ` Greg KH
2020-10-01 18:29             ` Ertman, David M
2020-10-01 19:38               ` Mark Brown
2020-10-01 19:54                 ` Ertman, David M
2020-10-01 20:17                   ` Mark Brown
2020-10-02  0:47                     ` Jason Gunthorpe
2020-10-02 11:19                       ` Mark Brown
2020-10-02 17:23                         ` Ertman, David M
2020-10-02 17:25                           ` Jason Gunthorpe
2020-10-02 17:44                             ` Mark Brown
2020-10-01 14:07   ` Pierre-Louis Bossart
2020-10-01 15:24     ` Mark Brown [this message]
2020-10-01 16:20       ` Pierre-Louis Bossart
2020-10-01 16:51         ` Mark Brown
2020-10-01 18:04           ` Jason Gunthorpe
2020-10-01 18:13             ` Greg KH
2020-10-01 19:23             ` Mark Brown
2020-10-01 16:50     ` Ertman, David M
2020-10-01 17:10       ` Mark Brown
2020-10-01 17:16         ` Ertman, David M
2020-10-01 17:52 ` Ertman, David M
2020-10-01  5:05 Dave Ertman
2020-10-03  9:04 ` Leon Romanovsky
2020-10-03  9:10   ` Greg KH
2020-10-03  9:10     ` Greg KH
2020-10-03  9:24     ` Leon Romanovsky
2020-10-03  9:24       ` Leon Romanovsky
2020-10-03  9:32       ` Greg KH
2020-10-03  9:32         ` Greg KH
2020-10-05  1:20     ` Ertman, David M
2020-10-01  5:08 Dave Ertman

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