linux-kernel - Re: [PATCH 0/4] driver_core: Auxiliary drvdata helper cleanup

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Date:   Tue, 21 Dec 2021 20:09:05 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     "David E. Box" <david.e.box@...ux.intel.com>
Cc:     gregkh@...uxfoundation.org, mustafa.ismail@...el.com,
        shiraz.saleem@...el.com, dledford@...hat.com, leon@...nel.org,
        saeedm@...dia.com, davem@...emloft.net, kuba@...nel.org,
        vkoul@...nel.org, yung-chuan.liao@...ux.intel.com,
        pierre-louis.bossart@...ux.intel.com, mst@...hat.com,
        jasowang@...hat.com, andriy.shevchenko@...ux.intel.com,
        hdegoede@...hat.com, virtualization@...ts.linux-foundation.org,
        alsa-devel@...a-project.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH 0/4] driver_core: Auxiliary drvdata helper cleanup

On Tue, Dec 21, 2021 at 03:58:48PM -0800, David E. Box wrote:
> Depends on "driver core: auxiliary bus: Add driver data helpers" patch [1].
> Applies the helpers to all auxiliary device drivers using
> dev_(get/set)_drvdata. Drivers were found using the following search:
> 
>     grep -lr "struct auxiliary_device" $(grep -lr "drvdata" .)
> 
> Changes were build tested using the following configs:
> 
>     vdpa/mlx5:       CONFIG_MLX5_VDPA_NET
>     net/mlx53:       CONFIG_MLX5_CORE_EN
>     soundwire/intel: CONFIG_SOUNDWIRE_INTEL
>     RDAM/irdma:      CONFIG_INFINIBAND_IRDMA
>                      CONFIG_MLX5_INFINIBAND
> 
> [1] https://www.spinics.net/lists/platform-driver-x86/msg29940.html 

I have to say I don't really find this to be a big readability
improvement.

Also, what use is 'to_auxiliary_dev()' ? I didn't see any users added..

Jason