From: Stefan Wahren <stefan.wahren@i2se.com>
To: Adrien Thierry <athierry@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Florian Fainelli <f.fainelli@gmail.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
Nicolas Saenz Julienne <nsaenz@kernel.org>,
linux-staging@lists.linux.dev,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] staging: vchiq_arm: get rid of global device structure
Date: Mon, 9 May 2022 12:51:52 +0200 [thread overview]
Message-ID: <02be1caf-1f17-7c81-4167-ade690cb6e41@i2se.com> (raw)
In-Reply-To: <YnQTPmNAvpbQl5Ws@fedora>
Hi Adrien,
Am 05.05.22 um 20:11 schrieb Adrien Thierry:
> Hi Stefan,
>
> Thanks for your feedback.
>
>> i understand the motivation, but could you please explain more in detail
>> why you decided to add vchiq_instance instead of device reference? I
>> think vchiq_instance is a more internal structure which should be
>> avoided in kernel consumers like bcm2835-audio or mmal.
> I used the vchiq_instance instead of the device reference because in order
> to get rid of the vchiq_states array (patch 3/3 [1]), I needed another way
> to access the vchiq_state in the 'handle_to_service' function. So I passed
> the vchiq_instance to it (I could also have passed the state directly
> instead of the instance), and this propagated in the caller chain all the
> way up to 'vchiq_bulk_transmit' and friends which are used in the
> bcm2835-audio consumer.
Okay, in this case please add this explanation to the commit message.
Best regards
> Please let me know if you see a better way of
> doing this :)
>
> Thanks,
>
> Adrien
>
> [1] https://lore.kernel.org/all/20220502183045.206519-4-athierry@redhat.com/
>
next prev parent reply other threads:[~2022-05-09 10:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-02 18:30 [PATCH 0/3] staging: vchiq_arm: remove some unnecessary global Adrien Thierry
2022-05-02 18:30 ` [PATCH 1/3] staging: vchiq_arm: add reference to vchiq device in vchiq_state Adrien Thierry
2022-05-04 14:53 ` Stefan Wahren
2022-05-05 18:13 ` Adrien Thierry
2022-05-02 18:30 ` [PATCH 2/3] staging: vchiq_arm: get rid of global device structure Adrien Thierry
2022-05-04 15:05 ` Stefan Wahren
2022-05-05 18:11 ` Adrien Thierry
2022-05-09 10:51 ` Stefan Wahren [this message]
2022-05-02 18:30 ` [PATCH 3/3] staging: vchiq_arm: get rid of global vchiq_states array Adrien Thierry
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