linux-kernel - Re: [PATCH] platform/chrome: cros_ec_typec: Use dev_err

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Date:   Tue, 12 Jul 2022 15:07:59 -0700
From:   Guenter Roeck <groeck@...gle.com>
To:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
Cc:     Prashant Malani <pmalani@...omium.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Collabora Kernel ML <kernel@...labora.com>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        "open list:CHROME HARDWARE PLATFORM SUPPORT" 
        <chrome-platform@...ts.linux.dev>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/chrome: cros_ec_typec: Use dev_err_probe on port
 register fail

On Tue, Jul 12, 2022 at 2:46 PM Nícolas F. R. A. Prado
<nfraprado@...labora.com> wrote:
>
> The typec_register_port() can fail with EPROBE_DEFER if the endpoint
> node hasn't probed yet. In order to avoid spamming the log with errors
> in that case, log using dev_err_probe().
>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

Reviewed-by: Guenter Roeck <groeck@...omium.org>

>
> ---
>
>  drivers/platform/chrome/cros_ec_typec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
> index d6088ba447af..8c0ca3c128ee 100644
> --- a/drivers/platform/chrome/cros_ec_typec.c
> +++ b/drivers/platform/chrome/cros_ec_typec.c
> @@ -352,8 +352,8 @@ static int cros_typec_init_ports(struct cros_typec_data *typec)
>
>                 cros_port->port = typec_register_port(dev, cap);
>                 if (IS_ERR(cros_port->port)) {
> -                       dev_err(dev, "Failed to register port %d\n", port_num);
>                         ret = PTR_ERR(cros_port->port);
> +                       dev_err_probe(dev, ret, "Failed to register port %d\n", port_num);
>                         goto unregister_ports;
>                 }
>
> --
> 2.37.0
>