Linux I2C development
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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>,
	Mukesh Kumar Savaliya <mukesh.savaliya@oss.qualcomm.com>,
	Andi Shyti <andi.shyti@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 2/3] i2c: qcom-slave: Add driver for Qualcomm I2C slave controller
Date: Mon, 29 Jun 2026 08:34:31 +0200	[thread overview]
Message-ID: <981cfe8d-d438-43e0-a2ff-13f3006f82e0@kernel.org> (raw)
In-Reply-To: <20260628-i2c-qcom-slave-v1-2-8b0a5c01f9f6@oss.qualcomm.com>

On 28/06/2026 16:39, Viken Dadhaniya wrote:
> +	slave->adap.owner = THIS_MODULE;
> +	slave->adap.algo = &qcom_i2c_slave_algo;
> +	slave->adap.dev.parent = dev;
> +	slave->adap.dev.of_node = dev->of_node;
> +	strscpy(slave->adap.name, "qcom-i2c-slave", sizeof(slave->adap.name));
> +
> +	i2c_set_adapdata(&slave->adap, slave);
> +	platform_set_drvdata(pdev, slave);
> +
> +	ret = i2c_add_adapter(&slave->adap);
> +	if (ret) {
> +		dev_err(dev, "i2c_add_adapter failed: %d\n", ret);
> +		icc_disable(slave->icc_path);
> +		return ret;
> +	}
> +
> +	dev_info(dev, "Qualcomm I2C slave probed at address 0x%x\n", addr);

NAK, as reviewed many times. Drivers must be silent and you don't even
print any useful information, becausr address is fixed based on DT.

> +	return 0;
> +}
> +
> +/**
> + * qcom_i2c_slave_remove - remove the Qualcomm I2C slave controller
> + * @pdev:	platform device
> + *
> + * Unregisters the I2C adapter and disables the interconnect path.
> + * Controller clocks are disabled automatically by the devm framework.
> + */

Really, what sort of coding style is that? Since when Linux kernel
writes kerneldoc for standard driver hooks?

> +static void qcom_i2c_slave_remove(struct platform_device *pdev)
> +{
> +	struct qcom_i2c_slave *slave = platform_get_drvdata(pdev);
> +
> +	i2c_del_adapter(&slave->adap);
> +	icc_disable(slave->icc_path);
> +	/* clocks are disabled automatically by devm */
> +}
> +
> +/**
> + * qcom_i2c_slave_suspend - suspend the controller
> + * @dev:	device associated with the controller
> + *
> + * Disables the interrupt, releases the interconnect bandwidth vote, and
> + * disables the controller clocks to allow the system to enter a low-power
> + * state.
> + *
> + * Return: 0 always.
> + */


Please don't send us downstream code or LLM generated slop. There is no
single driver written that way.

Best regards,
Krzysztof

  reply	other threads:[~2026-06-29  6:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-28 14:39 [PATCH 0/3] Add Qualcomm I2C slave controller driver Viken Dadhaniya
2026-06-28 14:39 ` [PATCH v1 1/3] dt-bindings: i2c: Add Qualcomm I2C slave controller Viken Dadhaniya
2026-06-29  6:26   ` Wolfram Sang
2026-06-29  6:32   ` Krzysztof Kozlowski
2026-06-28 14:39 ` [PATCH v1 2/3] i2c: qcom-slave: Add driver for " Viken Dadhaniya
2026-06-29  6:34   ` Krzysztof Kozlowski [this message]
2026-06-28 14:39 ` [PATCH v1 3/3] MAINTAINERS: Add entry " Viken Dadhaniya
2026-06-29  6:35   ` Krzysztof Kozlowski

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