linux-kernel - Re: [PATCH v2 2/4] input: misc: pm8941-pwrkey: add support for PON GEN3 base addresses

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Message-ID: <CAE-0n50UzVw4wqpV1v-T3k2if+m6jv-Tx7+N2kD4O=J60zmuoA@mail.gmail.com>
Date:   Thu, 27 Jan 2022 14:41:05 -0800
From:   Stephen Boyd <swboyd@...omium.org>
To:     Anjelique Melendez <quic_amelende@...cinc.com>,
        dmitry.torokhov@...il.com
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, collinsd@...eaurora.org,
        bjorn.andersson@...aro.org, skakit@...eaurora.org
Subject: Re: [PATCH v2 2/4] input: misc: pm8941-pwrkey: add support for PON
 GEN3 base addresses

Quoting Anjelique Melendez (2022-01-27 13:00:25)
> diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c
> index e0240db12d4f..7005aede4f81 100644
> --- a/drivers/input/misc/pm8941-pwrkey.c
> +++ b/drivers/input/misc/pm8941-pwrkey.c
> @@ -200,15 +207,21 @@ static int pm8941_pwrkey_probe(struct platform_device *pdev)
>                         dev_err(&pdev->dev, "failed to locate regmap\n");
>                         return -ENODEV;
>                 }
> +       }
>
> -               error = of_property_read_u32(parent->of_node,
> -                                            "reg", &pwrkey->baseaddr);
> -       } else {
> -               error = of_property_read_u32(pdev->dev.of_node, "reg",
> -                                            &pwrkey->baseaddr);
> +       addr = of_get_address(regmap_node, 0, NULL, NULL);
> +       if (!addr) {
> +               dev_err(&pdev->dev, "reg property missing\n");
> +               return -EINVAL;
> +       }
> +       pwrkey->baseaddr = be32_to_cpu(*addr);

Isn't this supposed to be be32_to_cpup(addr)?

> +
> +       if (pwrkey->data->has_pon_pbs) {
> +               /* PON_PBS base address is optional */
> +               addr = of_get_address(regmap_node, 1, NULL, NULL);
> +               if (addr)
> +                       pwrkey->pon_pbs_baseaddr = be32_to_cpu(*addr);

Isn't this supposed to be be32_to_cpup(addr)?

>         }
> -       if (error)
> -               return error;
>
>         pwrkey->irq = platform_get_irq(pdev, 0);
>         if (pwrkey->irq < 0)