linux-kernel - Re: [PATCH V5 4/4] tty: serial: qcom_geni

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Date:   Wed, 16 Sep 2020 14:25:57 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     satya priya <skakit@...eaurora.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, akashast@...eaurora.org,
        rojay@...eaurora.org, msavaliy@....qualcomm.com,
        dianders@...omium.org
Subject: Re: [PATCH V5 4/4] tty: serial: qcom_geni_serial: Fix the UART
 wakeup issue

On Thu, Sep 10, 2020 at 11:06:39PM +0000, Bjorn Andersson wrote:
> On Thu 10 Sep 12:53 UTC 2020, satya priya wrote:
> 
> > As a part of system suspend uart_port_suspend is called from the
> > Serial driver, which calls set_mctrl passing mctrl as 0. This
> > makes RFR high(NOT_READY) during suspend.
> > 
> > Due to this BT SoC is not able to send wakeup bytes to UART during
> > suspend. Include if check for non-suspend case to keep RFR low
> > during suspend.
> > 
> 
> Seems reasonable.
> 
> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> 
> > Signed-off-by: satya priya <skakit@...eaurora.org>
> > Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> Greg, I don't see this depending on anything else, will you pick this
> patch through your tree? I will take the dts patches through the qcom
> tree.

Sure, will pick it up now, thanks.

greg k-h