linux-kernel - Re: [PATCH v2 1/3] i2c: qcom-geni: Let firmware specify irq trigger flags

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Message-ID: <CAHLCerOx8-iUn0QHO4mDs2M9ncmpEvY7TyM9Tg-_wz9C0Thxug@mail.gmail.com>
Date:   Wed, 11 Mar 2020 13:00:00 +0530
From:   Amit Kucheria <amit.kucheria@...durent.com>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Wolfram Sang <wsa@...-dreams.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-i2c@...r.kernel.org,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Alok Chauhan <alokc@...eaurora.org>,
        Douglas Anderson <dianders@...omium.org>,
        Brendan Higgins <brendanhiggins@...gle.com>
Subject: Re: [PATCH v2 1/3] i2c: qcom-geni: Let firmware specify irq trigger flags

On Tue, Mar 10, 2020 at 9:14 PM Stephen Boyd <swboyd@...omium.org> wrote:
>
> We don't need to force IRQF_TRIGGER_HIGH here as the DT or ACPI tables
> should take care of this for us. Just use 0 instead so that we use the
> flags from the firmware. Also, remove specify dev_name() for the irq
> name so that we can get better information in /proc/interrupts about
> which device is generating interrupts.
>

Reviewed-by: Amit Kucheria <amit.kucheria@...aro.org>

> Cc: Alok Chauhan <alokc@...eaurora.org>
> Reviewed-by: Douglas Anderson <dianders@...omium.org>
> Reviewed-by: Brendan Higgins <brendanhiggins@...gle.com>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> ---
>  drivers/i2c/busses/i2c-qcom-geni.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
> index 17abf60c94ae..4efca130035a 100644
> --- a/drivers/i2c/busses/i2c-qcom-geni.c
> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
> @@ -549,8 +549,8 @@ static int geni_i2c_probe(struct platform_device *pdev)
>         init_completion(&gi2c->done);
>         spin_lock_init(&gi2c->lock);
>         platform_set_drvdata(pdev, gi2c);
> -       ret = devm_request_irq(&pdev->dev, gi2c->irq, geni_i2c_irq,
> -                              IRQF_TRIGGER_HIGH, "i2c_geni", gi2c);
> +       ret = devm_request_irq(&pdev->dev, gi2c->irq, geni_i2c_irq, 0,
> +                              dev_name(&pdev->dev), gi2c);
>         if (ret) {
>                 dev_err(&pdev->dev, "Request_irq failed:%d: err:%d\n",
>                         gi2c->irq, ret);
> --
> Sent by a computer, using git, on the internet
>