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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Jingbao Qiu <qiujingbao.dlmu@gmail.com>,
	alexandre.belloni@bootlin.com, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	chao.wei@sophgo.com, unicorn_wang@outlook.com,
	paul.walmsley@sifive.com, palmer@dabbelt.com,
	aou@eecs.berkeley.edu
Cc: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	dlan@gentoo.org, inochiama@outlook.com
Subject: Re: [PATCH v6 2/3] rtc: sophgo: add rtc support for Sophgo CV1800 SoC
Date: Tue, 16 Jan 2024 08:46:12 +0100	[thread overview]
Message-ID: <9a1c77f8-bcf9-4cbf-ab51-694353dd0ef3@linaro.org> (raw)
In-Reply-To: <20240115160600.5444-3-qiujingbao.dlmu@gmail.com>

On 15/01/2024 17:05, Jingbao Qiu wrote:
> Implement the RTC driver for CV1800, which able to provide time alarm
> and calibrate functionality.
> 
> Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@gmail.com>
> ---

> +
> +static int cv1800_rtc_probe(struct platform_device *pdev)
> +{
> +	struct cv1800_rtc_priv *rtc;
> +	uint32_t ctrl_val;
> +	int ret;
> +
> +	rtc = devm_kzalloc(&pdev->dev, sizeof(struct cv1800_rtc_priv),
> +			   GFP_KERNEL);
> +	if (!rtc)
> +		return -ENOMEM;
> +
> +	rtc->dev = &pdev->dev;
> +
> +	rtc->rtc_map = syscon_node_to_regmap(rtc->dev->of_node->parent);
> +	if (IS_ERR(rtc->rtc_map))
> +		return PTR_ERR(rtc->rtc_map);

Why do you take the parent? Your bindings say this device is the syscon,
not parent. Your DTS shows there is no parent syscon! This wasn't tested.

Best regards,
Krzysztof


  reply	other threads:[~2024-01-16  7:46 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-15 16:05 [PATCH v6 0/3] riscv: rtc: sophgo: add mfd and rtc support for CV1800 Jingbao Qiu
2024-01-15 16:05 ` [PATCH v6 1/3] dt-bindings: rtc: sophgo: add RTC support for Sophgo CV1800 series SoC Jingbao Qiu
2024-01-15 16:05 ` [PATCH v6 2/3] rtc: sophgo: add rtc support for Sophgo CV1800 SoC Jingbao Qiu
2024-01-16  7:46   ` Krzysztof Kozlowski [this message]
2024-01-15 16:06 ` [PATCH v6 3/3] riscv: dts: sophgo: add rtc dt node for CV1800 Jingbao Qiu
2024-01-16  7:44   ` Krzysztof Kozlowski
2024-01-16 14:41     ` Jingbao Qiu
2024-01-16 15:25       ` Krzysztof Kozlowski
2024-01-16 15:51         ` Jingbao Qiu
2024-01-16 16:03           ` Krzysztof Kozlowski
2024-01-16 16:29             ` Jingbao Qiu
2024-01-16 16:53               ` Alexandre Belloni
2024-01-17  2:54                 ` Jingbao Qiu
2024-01-17  9:01                   ` Alexandre Belloni
2024-01-17 10:12                     ` Jingbao Qiu
2024-01-16 16:58               ` Krzysztof Kozlowski
2024-01-17  3:24                 ` Jingbao Qiu
2024-01-17  7:28                   ` Krzysztof Kozlowski
2024-01-17  7:39                     ` Jingbao Qiu
2024-01-17 12:59     ` Conor Dooley

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