linux-kernel - Re: [PATCH v4 01/10] Add auxiliary bus support

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Date:   Tue, 17 Nov 2020 07:30:00 +0200
From:   Leon Romanovsky <leonro@...dia.com>
To:     Dave Ertman <david.m.ertman@...el.com>, gregkh@...uxfoundation.org
Cc:     alsa-devel@...a-project.org, tiwai@...e.de, broonie@...nel.org,
        linux-rdma@...r.kernel.org, jgg@...dia.com, dledford@...hat.com,
        netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        ranjani.sridharan@...ux.intel.com,
        pierre-louis.bossart@...ux.intel.com, fred.oh@...ux.intel.com,
        parav@...lanox.com, shiraz.saleem@...el.com,
        dan.j.williams@...el.com, kiran.patil@...el.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 01/10] Add auxiliary bus support

On Fri, Nov 13, 2020 at 08:18:50AM -0800, Dave Ertman wrote:
> 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 <kiran.patil@...el.com>
> Signed-off-by: Kiran Patil <kiran.patil@...el.com>
> Co-developed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
> Co-developed-by: Fred Oh <fred.oh@...ux.intel.com>
> Signed-off-by: Fred Oh <fred.oh@...ux.intel.com>
> Co-developed-by: Leon Romanovsky <leonro@...dia.com>
> Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> Reviewed-by: Shiraz Saleem <shiraz.saleem@...el.com>
> Reviewed-by: Parav Pandit <parav@...lanox.com>
> Reviewed-by: Dan Williams <dan.j.williams@...el.com>
> Signed-off-by: Dave Ertman <david.m.ertman@...el.com>
> ---

Greg,

This horse was beaten to death, can we please progress with this patch?
Create special topic branch or ack so I'll prepare this branch.

We are in -rc4 now and we (Mellanox) can't hold our submissions anymore.
My mlx5_core probe patches [1] were too intrusive and they are ready to
be merged, Parav's patches got positive review as well [2] and will be
taken next.

We delayed and have in our internal queues the patches for VDPA, eswitch
and followup for mlx5_core probe rework, but trapped due to this AUX bus
patch.

Thanks

[1] https://lore.kernel.org/linux-rdma/20201101201542.2027568-1-leon@kernel.org/
[2] https://lore.kernel.org/linux-rdma/BY5PR12MB43229F23C101AFBCD2971534DCE20@BY5PR12MB4322.namprd12.prod.outlook.com/T/#md25b9a2feb4c60d3fef5d57da41db559af1062d8