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Message-ID: <CAE-0n50=p-XvueHV9m9c_1H-XwsJgEMTNNi1OFi=aUzNC-s65g@mail.gmail.com>
Date: Wed, 22 May 2024 18:13:17 -0400
From: Stephen Boyd <swboyd@...omium.org>
To: Douglas Anderson <dianders@...omium.org>, Luiz Augusto von Dentz <luiz.dentz@...il.com>, 
	Marcel Holtmann <marcel@...tmann.org>
Cc: Guenter Roeck <groeck@...omium.org>, Johan Hovold <johan+linaro@...nel.org>, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, 
	Sai Teja Aluvala <quic_saluvala@...cinc.com>, linux-bluetooth@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: qca: If memdump doesn't work, re-enable IBS

Quoting Douglas Anderson (2024-05-17 17:02:46)
> On systems in the field, we are seeing this sometimes in the kernel logs:
>   Bluetooth: qca_controller_memdump() hci0: hci_devcd_init Return:-95
>
> This means that _something_ decided that it wanted to get a memdump
> but then hci_devcd_init() returned -EOPNOTSUPP (AKA -95).
>
> The cleanup code in qca_controller_memdump() when we get back an error
> from hci_devcd_init() undoes most things but forgets to clear
> QCA_IBS_DISABLED. One side effect of this is that, during the next
> suspend, qca_suspend() will always get a timeout.
>
> Let's fix it so that we clear the bit.
>
> Fixes: 06d3fdfcdf5c ("Bluetooth: hci_qca: Add qcom devcoredump support")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---

Reviewed-by: Stephen Boyd <swboyd@...omium.org>

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