linux-kernel - Re: [PATCH v2 3/5] platform/broadcom: Destage VCHIQ interface

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Message-ID: <b3d5eee4-bae9-4de4-a2bd-7fd5a1fa9fb6@gmx.net>
Date: Sat, 20 Sep 2025 11:14:21 +0200
From: Stefan Wahren <wahrenst@....net>
To: Jai Luthra <jai.luthra@...asonboard.com>,
 Florian Fainelli <florian.fainelli@...adcom.com>,
 Broadcom internal kernel review list
 <bcm-kernel-feedback-list@...adcom.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Ray Jui
 <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>
Cc: linux-rpi-kernel@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-staging@...ts.linux.dev,
 linux-kernel@...r.kernel.org, kernel-list@...pberrypi.com,
 Dave Stevenson <dave.stevenson@...pberrypi.com>,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v2 3/5] platform/broadcom: Destage VCHIQ interface

Hi Jai,

Am 07.09.25 um 10:56 schrieb Jai Luthra:
> Destage the VCHIQ interface driver to drivers/platform/raspberrypi.
could you please adjust the commit subject to raspberrypi, too?
> There is still the remaining TODO item of improving the documentation,
> which can be handled post destaging.
I'm fine with this change, but I don't if it is necessary to have the 
IOCTL documented yet.
Currently I don't know when I've the time to proceed with this [1]. Sorry.

Best regards

[1] - 
https://lore.kernel.org/linux-staging/20250509221152.13564-3-wahrenst@gmx.net/
>
> Secondly, multimedia drivers like codec and ISP that rely on this
> interface need to be upstreamed. And lastly, the drivers that facilitate
> the shared memory between VideoCore and Linux, like the vc-sm-cma driver
> and vc_mem char driver also need to be upstreamed.
>
> Signed-off-by: Jai Luthra <jai.luthra@...asonboard.com>
> ---