linux-kernel - Re: [PATCH V2 2/5] input: keyboard: imx_sc: Add i.MX system controller power key support

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Date:   Mon, 2 Sep 2019 23:38:54 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Anson Huang <Anson.Huang@....com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Sascha Hauer <kernel@...gutronix.de>,
        Catalin Marinas <catalin.marinas@....com>, will@...nel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Dong Aisheng <aisheng.dong@....com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Fugang Duan <fugang.duan@....com>, Peng Fan <peng.fan@....com>,
        Daniel Baluta <daniel.baluta@....com>,
        Leonard Crestez <leonard.crestez@....com>, mripard@...nel.org,
        Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Dinh Nguyen <dinguyen@...nel.org>,
        marcin.juszkiewicz@...aro.org, Stefan Agner <stefan@...er.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        yuehaibing@...wei.com, Thomas Gleixner <tglx@...utronix.de>,
        ronald@...ovation.ch, Marco Felsch <m.felsch@...gutronix.de>,
        Ping Bai <ping.bai@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-input@...r.kernel.org, NXP Linux Team <Linux-imx@....com>
Subject: Re: [PATCH V2 2/5] input: keyboard: imx_sc: Add i.MX system
 controller power key support

Hi Anson,

On Mon, Sep 2, 2019 at 11:05 PM Anson Huang <Anson.Huang@....com> wrote:

> +       ret = input_register_device(input);
> +       if (ret < 0) {
> +               dev_err(&pdev->dev, "failed to register input device\n");
> +               return ret;
> +       }
> +
> +       pdata->input = input;
> +       platform_set_drvdata(pdev, pdata);
> +
> +       ret = imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON, true);
> +       if (ret) {
> +               dev_warn(&pdev->dev, "enable scu group irq failed\n");
> +               return ret;

Better do a 'goto input_unregister' here instead and call
input_unregister_device().