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Subject: Re: [PATCH] soc: mediatek: pm-domains: Don't print an error if child
 domain is deferred
To:     Enric Balletbo i Serra <enric.balletbo@collabora.com>,
        linux-kernel@vger.kernel.org
Cc:     Collabora Kernel ML <kernel@collabora.com>, drinkcat@chromium.org,
        hsinyi@chromium.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org
References: <20210113213012.67643-1-enric.balletbo@collabora.com>
From:   Matthias Brugger <matthias.bgg@gmail.com>
Message-ID: <60cb2364-7bc5-61da-c4e4-878fa7327776@gmail.com>
Date:   Sun, 31 Jan 2021 15:59:38 +0100
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On 13/01/2021 22:30, Enric Balletbo i Serra wrote:
> Child domains can be deferred by the core because one of its resources
> is not available yet, in such case, it will print an error, but
> later it will succeed to probe. Fix that using the dev_err_probe()
> function so it only prints an error on a real error.
> 
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

Applied to v5.11-next/soc

Thanks

> ---
> 
>  drivers/soc/mediatek/mtk-pm-domains.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c
> index ae255aa7b1a9..8055fb019ba6 100644
> --- a/drivers/soc/mediatek/mtk-pm-domains.c
> +++ b/drivers/soc/mediatek/mtk-pm-domains.c
> @@ -480,8 +480,8 @@ static int scpsys_add_subdomain(struct scpsys *scpsys, struct device_node *paren
>  
>  		child_pd = scpsys_add_one_domain(scpsys, child);
>  		if (IS_ERR(child_pd)) {
> -			ret = PTR_ERR(child_pd);
> -			dev_err(scpsys->dev, "%pOF: failed to get child domain id\n", child);
> +			dev_err_probe(scpsys->dev, PTR_ERR(child_pd),
> +				      "%pOF: failed to get child domain id\n", child);
>  			goto err_put_node;
>  		}
>  
>