Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> wrote:
> The introduction of 768ec4c012ac ("ath10k: update HOST capability QMI
> message") served the purpose of supporting the new and extended HOST
> capability QMI message.
>
> But while the new message adds a slew of optional members it changes the
> data type of the "daemon_support" member, which means that older
> versions of the firmware will fail to decode the incoming request
> message.
>
> There is no way to detect this breakage from Linux and there's no way to
> recover from sending the wrong message (i.e. we can't just try one
> format and then fallback to the other), so a quirk is introduced in
> DeviceTree to indicate to the driver that the firmware requires the 8bit
> version of this message.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 768ec4c012ac ("ath10k: update HOST capability qmi message")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Patch applied to ath-next branch of ath.git, thanks.
7165ef890a4c ath10k: Fix HOST capability QMI incompatibility
--
https://patchwork.kernel.org/patch/11058005/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
