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Date:   Tue, 17 Sep 2019 14:03:41 +0000 (UTC)
From:   Kalle Valo <>
To:     Bjorn Andersson <>
Cc:     "David S. Miller" <>,
        Rob Herring <>,
        Mark Rutland <>,,,,,,
Subject: Re: [PATCH] ath10k: Fix HOST capability QMI incompatibility

Bjorn Andersson <> 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:
> Fixes: 768ec4c012ac ("ath10k: update HOST capability qmi message")
> Signed-off-by: Bjorn Andersson <>
> Acked-by: Rob Herring <>
> Signed-off-by: Kalle Valo <>

Patch applied to ath-next branch of ath.git, thanks.

7165ef890a4c ath10k: Fix HOST capability QMI incompatibility


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