linux-kernel - Re: [PATCH 5/6] thermal: brcmstb_thermal: Restructure interrupt registration

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Date:   Wed, 4 Dec 2019 15:08:08 +0530
From:   Amit Kucheria <amit.kucheria@...durent.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Markus Mayer <mmayer@...adcom.com>,
        "maintainer:BROADCOM STB AVS TMON DRIVER" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:BROADCOM STB AVS TMON DRIVER" <linux-pm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 5/6] thermal: brcmstb_thermal: Restructure interrupt registration

On Wed, Oct 30, 2019 at 11:52 PM Florian Fainelli <f.fainelli@...il.com> wrote:
>
> If we are successful grabbing the interrupt resource, then register an
> interrupt handler, this makes it easier to support the interrupt as
> being optional, which is it for 7216.
>
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

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

> ---
>  drivers/thermal/broadcom/brcmstb_thermal.c | 19 +++++++++----------
>  1 file changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/thermal/broadcom/brcmstb_thermal.c b/drivers/thermal/broadcom/brcmstb_thermal.c
> index 41d4a142707c..64f715053ce9 100644
> --- a/drivers/thermal/broadcom/brcmstb_thermal.c
> +++ b/drivers/thermal/broadcom/brcmstb_thermal.c
> @@ -339,16 +339,15 @@ static int brcmstb_thermal_probe(struct platform_device *pdev)
>         priv->thermal = thermal;
>
>         irq = platform_get_irq(pdev, 0);
> -       if (irq < 0) {
> -               dev_err(&pdev->dev, "could not get IRQ\n");
> -               return irq;
> -       }
> -       ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
> -                                       brcmstb_tmon_irq_thread, IRQF_ONESHOT,
> -                                       DRV_NAME, priv);
> -       if (ret < 0) {
> -               dev_err(&pdev->dev, "could not request IRQ: %d\n", ret);
> -               return ret;
> +       if (irq >= 0) {
> +               ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
> +                                               brcmstb_tmon_irq_thread,
> +                                               IRQF_ONESHOT,
> +                                               DRV_NAME, priv);
> +               if (ret < 0) {
> +                       dev_err(&pdev->dev, "could not request IRQ: %d\n", ret);
> +                       return ret;
> +               }
>         }
>
>         dev_info(&pdev->dev, "registered AVS TMON of-sensor driver\n");
> --
> 2.17.1
>