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

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Date:   Sat, 24 Jul 2021 16:14:47 +0530
From:   Ojaswin Mujoo <ojaswin98@...il.com>
To:     Stefan Wahren <stefan.wahren@...e.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>, nsaenz@...nel.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

On Fri, Jul 23, 2021 at 03:31:58PM +0200, Stefan Wahren wrote:
> Am 23.07.21 um 14:59 schrieb Ojaswin Mujoo:
> > On Fri, Jul 23, 2021 at 01:02:41PM +0200, Greg KH wrote:
> >> 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
> >> :(
> >>
> > Hello Greg,
> >
> > Apologies for that, I was under the impression that a new version
> > needed a separate review :(
> No, just the patches which had functional changes.
Ohh, noted.
> > If its okay, I can alternately resubmit this (as v5?) with Stefan's
> > Reviewed-By tags on unchanged commits intact. Let me know if that's okay
> > or if its better to wait out.
> 
> No, please don't resubmit. I will do the review soon.

Thanks for the review and all the help, Stefan. It is much appreciated
:)

Regards,
Ojaswin