Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v6 50/52] PM / devfreq: tegra30: Silence deferred probe
 error
To:     Dmitry Osipenko <digetx@gmail.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        Georgi Djakov <georgi.djakov@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Peter De Schrijver <pdeschrijver@nvidia.com>,
        MyungJoo Ham <myungjoo.ham@samsung.com>,
        Kyungmin Park <kyungmin.park@samsung.com>,
        Mikko Perttunen <cyndis@kapsi.fi>,
        Viresh Kumar <vireshk@kernel.org>,
        Peter Geis <pgwipeout@gmail.com>,
        Nicolas Chauvet <kwizart@gmail.com>,
        Krzysztof Kozlowski <krzk@kernel.org>
Cc:     linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org,
        linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
        devicetree@vger.kernel.org
From:   Chanwoo Choi <cw00.choi@samsung.com>
Organization: Samsung Electronics
Message-ID: <0bbf89ed-c8ac-86a8-8ed4-b5a887c82656@samsung.com>
Date:   Mon, 26 Oct 2020 12:17:44 +0900
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101
        Thunderbird/59.0
MIME-Version: 1.0
In-Reply-To: <20201025221735.3062-51-digetx@gmail.com>
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset="utf-8"
CMS-TYPE: 101P
DLP-Filter: Pass
References: <20201025221735.3062-1-digetx@gmail.com>
        <CGME20201025222140epcas1p28ff3c4dc35d4b524185fe46c98617d8d@epcas1p2.samsung.com>
        <20201025221735.3062-51-digetx@gmail.com>
Precedence: bulk

On 10/26/20 7:17 AM, Dmitry Osipenko wrote:
> Tegra EMC driver was turned into a regular kernel driver, meaning that it
> could be compiled as a loadable kernel module now. Hence EMC clock isn't
> guaranteed to be available and clk_get("emc") may return -EPROBE_DEFER.
> Let's silence the deferred probe error.
> 
> Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
>  drivers/devfreq/tegra30-devfreq.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
> index f5e74c2ede85..3f732ab53573 100644
> --- a/drivers/devfreq/tegra30-devfreq.c
> +++ b/drivers/devfreq/tegra30-devfreq.c
> @@ -801,10 +801,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
>  	}
>  
>  	tegra->emc_clock = devm_clk_get(&pdev->dev, "emc");
> -	if (IS_ERR(tegra->emc_clock)) {
> -		dev_err(&pdev->dev, "Failed to get emc clock\n");
> -		return PTR_ERR(tegra->emc_clock);
> -	}
> +	if (IS_ERR(tegra->emc_clock))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(tegra->emc_clock),
> +				     "Failed to get emc clock\n");
>  
>  	err = platform_get_irq(pdev, 0);
>  	if (err < 0)
> 

Applied it. Thanks.

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics