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Message-ID: <042c560d-1f36-8e97-3796-7423245592f4@starfivetech.com>
Date:   Mon, 29 May 2023 14:44:59 +0800
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Subject: Re: [PATCH v1 2/3] spi: cadence-quadspi: Add clock configuration for
 StarFive JH7110 QSPI
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To:     Mark Brown <broonie@kernel.org>
CC:     <devicetree@vger.kernel.org>, <linux-spi@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <linux-riscv@lists.infradead.org>,
        "Rob Herring" <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        "Emil Renner Berthing" <kernel@esmil.dk>,
        Ziv Xu <ziv.xu@starfivetech.com>
References: <20230526062529.46747-1-william.qiu@starfivetech.com>
 <20230526062529.46747-3-william.qiu@starfivetech.com>
 <fecc9d6a-022e-49d9-a452-8a63c409ebf3@sirena.org.uk>
From:   William Qiu <william.qiu@starfivetech.com>
In-Reply-To: <fecc9d6a-022e-49d9-a452-8a63c409ebf3@sirena.org.uk>
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Precedence: bulk


On 2023/5/26 23:36, Mark Brown wrote:
> On Fri, May 26, 2023 at 02:25:28PM +0800, William Qiu wrote:
> 
>>  	if (of_device_is_compatible(pdev->dev.of_node, "starfive,jh7110-qspi")) {
>> +		qspi_ahb = devm_clk_get(dev, "qspi-ahb");
>> +		if (IS_ERR(qspi_ahb)) {
>> +			dev_err(dev, "Cannot claim QSPI_AHB clock.\n");
>> +			ret = PTR_ERR(qspi_ahb);
>> +			return ret;
>> +		}
>> +
>> +		ret = clk_prepare_enable(qspi_ahb);
>> +		if (ret) {
>> +			dev_err(dev, "Cannot enable QSPI AHB clock.\n");
>> +			goto probe_clk_failed;
>> +		}
> 
> Nothing ever disables or unprepares this clock as far as I can tell?
> Perhaps also consider using the clk_bulk_ APIs.

I will add in next version.

Thanks for taking time to review this patch series and give useful
suggestions.

Best regards,
William