linux-kernel - Re: [PATCH v4 0/5] vchiq: Patch to separate platform and cdev code

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Date:   Fri, 23 Jul 2021 13:02:41 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ojaswin Mujoo <ojaswin98@...il.com>
Cc:     nsaenz@...nel.org, stefan.wahren@...e.com,
        dan.carpenter@...cle.com, phil@...pberrypi.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 0/5] vchiq: Patch to separate platform and cdev code

On Wed, Jul 21, 2021 at 09:50:48PM +0530, Ojaswin Mujoo wrote:
> Hello,
> 
> This patchset adderesses the TODO item number 10 specified at:
> 
>     drivers/staging/vc04-services/interface/TODO
> 
> For reference, the task is:
> 
>     10) Reorganize file structure: Move char driver to it's own file and join
>     both platform files
> 
>     The cdev is defined alongside with the platform code in vchiq_arm.c. It
>     would be nice to completely decouple it from the actual core code. For
>     instance to be able to use bcm2835-audio without having /dev/vchiq created.
>     One could argue it's better for security reasons or general cleanliness. It
>     could even be interesting to create two different kernel modules, something
>     the likes of vchiq-core.ko and vchiq-dev.ko. This would also ease the
>     upstreaming process.
> 
> A summary of the patches is as follows:
> 
> - Patch 1: Move cdev init code into a function
> - Patch 2: Shift some devlarations from vchiq_arm.c to vchiq_arm.h for
>            sharing
> - Patch 3: Move vchiq cdev init code from vchiq_arm.c into vchiq_dev.c
> - Patch 4: Decouple cdev code by defining a Kconfig entry to allow
>            optional compilation of it.
> - Patch 5: Merge code in vchiq_2835_arm.c to vchiq_arm.c
> 
> Changes since v3 [2]:
> 
> * In Patch 5, replace forward declarations of some of the functions with
>   function definition 

You dropped the reviews of others, so now I need to wait for them again
:(