linux-kernel - Re: [PATCH V6 3/4] arm64: dts: qcom: sc7180-trogdor: Add wakeup support for BT UART

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAD=FV=VLLPjntF9oxF2_=Jd3UssRbbaRm=H5SKO--JFUe+_11w@mail.gmail.com>
Date:   Mon, 14 Sep 2020 14:23:04 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     satya priya <skakit@...eaurora.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Akash Asthana <akashast@...eaurora.org>,
        Roja Rani Yarubandi <rojay@...eaurora.org>,
        msavaliy@....qualcomm.com
Subject: Re: [PATCH V6 3/4] arm64: dts: qcom: sc7180-trogdor: Add wakeup
 support for BT UART

Hi,

On Mon, Sep 14, 2020 at 6:59 AM satya priya <skakit@...eaurora.org> wrote:
>
> Add the necessary pinctrl, interrupt property and a suitable sleep config
> to support Bluetooth wakeup feature.
>
> GPIO mode is configured in sleep state to drive the RTS/RFR line low.
> If QUP function is selected in sleep state, UART RTS/RFR is pulled high
> during suspend and BT SoC not able to send wakeup bytes.
>
> Signed-off-by: satya priya <skakit@...eaurora.org>
> ---
> Changes in V5:
>  - Newly added in V5. This patch adds wakeup support for trogdor board files.
>
> Changes in V6:
>  - As per Doug's comment deleted interrupts property and sorted the qup sleep
>    state before trackpad.
>  - As per Bjorn's comment canged the commit text, rationale for RTS, TX, RX.
>
>  arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 54 ++++++++++++++++++++++++++++
>  1 file changed, 54 insertions(+)

Reviewed-by: Douglas Anderson <dianders@...omium.org>