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From: Mark Brown <broonie@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Takashi Iwai <tiwai@suse.de>,
	Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	davem@davemloft.net, netdev@vger.kernel.org,
	linux-rdma@vger.kernel.org, nhorman@redhat.com,
	sassmann@redhat.com, Fred Oh <fred.oh@linux.intel.com>,
	lee.jones@linaro.org
Subject: Re: [net-next v4 10/12] ASoC: SOF: Introduce descriptors for SOF client
Date: Thu, 2 Jul 2020 12:15:22 +0100	[thread overview]
Message-ID: <20200702111522.GA4483@sirena.org.uk> (raw)
In-Reply-To: <20200701233250.GP25301@ziepe.ca>

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On Wed, Jul 01, 2020 at 08:32:50PM -0300, Jason Gunthorpe wrote:
> On Wed, Jul 01, 2020 at 10:50:49AM +0100, Mark Brown wrote:

> > Another part of this is that there's not a clean cut over between MMIO
> > and not using any hardware resources at all - for example a device might
> > be connected over I2C but use resources to distribute interrupts to
> > subdevices.

> How does the subdevice do anything if it only received an interrupt?

Via some bus that isn't memory mapped like I2C or SPI.

> That sounds rather more like virtual bus's use case..

These are very much physical devices often with distinct IPs in distinct
address ranges and so on, it's just that those addresses happen not to
be on buses it is sensible to memory map.

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  reply	other threads:[~2020-07-02 11:15 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20  7:02 [net-next v4 00/12][pull request] 100GbE Intel Wired LAN Driver Updates 2020-05-19 Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 01/12] Implementation of Virtual Bus Jeff Kirsher
2020-05-21 14:57   ` Parav Pandit
2020-05-21 17:43     ` gregkh
2020-05-21 20:10       ` Jason Gunthorpe
2020-05-20  7:02 ` [net-next v4 02/12] ice: Create and register virtual bus for RDMA Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 03/12] ice: Complete RDMA peer registration Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 04/12] ice: Support resource allocation requests Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 05/12] ice: Enable event notifications Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 06/12] ice: Allow reset operations Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 07/12] ice: Pass through communications to VF Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 08/12] i40e: Move client header location Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 09/12] i40e: Register a virtbus device to provide RDMA Jeff Kirsher
2020-05-20  7:02 ` [net-next v4 10/12] ASoC: SOF: Introduce descriptors for SOF client Jeff Kirsher
2020-05-20  7:20   ` Greg KH
2020-05-20 12:54   ` Jason Gunthorpe
2020-05-20 12:57     ` Jason Gunthorpe
2020-05-21 21:11     ` Ranjani Sridharan
2020-05-21 23:34       ` Jason Gunthorpe
2020-05-22 14:29         ` Pierre-Louis Bossart
2020-05-22 14:55           ` Jason Gunthorpe
2020-05-22 15:33             ` Pierre-Louis Bossart
2020-05-22 17:10               ` Jason Gunthorpe
2020-05-22 18:35                 ` Pierre-Louis Bossart
2020-05-22 18:40                   ` Jason Gunthorpe
2020-05-22 18:48                     ` Pierre-Louis Bossart
2020-05-22 19:44                       ` Jason Gunthorpe
2020-05-22 21:05                         ` Pierre-Louis Bossart
2020-06-29 20:59               ` Mark Brown
2020-05-23  6:23           ` Greg KH
2020-05-23 19:41             ` Pierre-Louis Bossart
2020-05-24  6:35               ` Greg KH
2020-05-26 13:15                 ` Pierre-Louis Bossart
2020-05-26 13:37                   ` Takashi Iwai
2020-05-27  7:17                     ` Greg KH
2020-05-27 14:05                       ` Pierre-Louis Bossart
2020-06-29 20:33                       ` Mark Brown
2020-06-29 22:59                         ` Jason Gunthorpe
2020-06-29 23:13                           ` Kirsher, Jeffrey T
2020-06-30 10:31                           ` Mark Brown
2020-06-30 11:32                             ` Jason Gunthorpe
2020-06-30 14:16                               ` Mark Brown
2020-06-30 17:24                               ` Ranjani Sridharan
2020-06-30 17:27                                 ` Jason Gunthorpe
2020-07-01  9:50                                   ` Mark Brown
2020-07-01 23:32                                     ` Jason Gunthorpe
2020-07-02 11:15                                       ` Mark Brown [this message]
2020-07-02 12:11                                         ` Jason Gunthorpe
2020-07-02 12:20                                           ` Mark Brown
2020-07-01  6:59                                 ` Greg KH
2020-07-02 13:43                                   ` Ranjani Sridharan
2020-07-06 23:02                                     ` Dan Williams
2020-07-07 14:16                                       ` Greg KH
2020-05-25 16:55               ` Jason Gunthorpe
2020-06-29 20:21             ` Mark Brown
2020-06-29 17:36   ` Mark Brown
2020-05-20  7:02 ` [net-next v4 11/12] ASoC: SOF: Create client driver for IPC test Jeff Kirsher
2020-05-20  7:22   ` Greg KH
2020-05-20 12:56   ` Jason Gunthorpe
2020-05-27 20:18     ` Ranjani Sridharan
2020-05-28  0:12       ` Jason Gunthorpe
2020-05-28  1:40         ` Ranjani Sridharan
2020-05-28 10:45           ` Greg KH
2020-06-29 20:37             ` Mark Brown
2020-05-20  7:02 ` [net-next v4 12/12] ASoC: SOF: ops: Add new op for client registration Jeff Kirsher
2020-05-20  7:23   ` Greg KH
2020-05-20  7:17 ` [net-next v4 00/12][pull request] 100GbE Intel Wired LAN Driver Updates 2020-05-19 Greg KH
2020-05-20  7:25   ` Kirsher, Jeffrey T
2020-05-20  9:08     ` Greg KH

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