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

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Date:   Sat, 24 Jul 2021 11:38:28 +0200
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Ojaswin Mujoo <ojaswin98@...il.com>, nsaenz@...nel.org
Cc:     gregkh@...uxfoundation.org, 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

Am 21.07.21 um 18:20 schrieb Ojaswin Mujoo:
> 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 
>
The whole series is:

Reviewed-by: Stefan Wahren <stefan.wahren@...e.com>

Thanks