[PATCH] vchiq driver

[Stefan Wahren]

Hi Steven,

Am 12.08.22 um 19:13 schrieb Steven A. Falco:
> I am using Fedora Linux on a Raspberry Pi 4B.  When I use the 
> kernel-provided device tree, I have a /dev/vchiq node, but if I 
> instead use the firmware-provided device tree, this node is not created.
not sure which kernel is meant, but it's not the mainline kernel.
>
> I have found that the mailbox used by the vchiq uses a different 
> "compatible" tag in the FW DT, and this tag is not included in the 
> driver's probe code.
>
> The attached patch adds support for the "brcm,bcm2711-vchiq" tag, 
> which is what the FW DT uses.
>
> I haven't submitted any kernel patches in quite some time, so if I 
> should use a different mailing list or process, please let me know.

Unfortunately it's not that simple [1] [2]

[1] - https://lore.kernel.org/linux-arm-kernel/Yk7vSzk2XD+55EK4@fedora/T/

[2] - https://archlinuxarm.org/forum/viewtopic.php?f=67&t=16107&start=10

>
>     Steve
>
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