linux-kernel - Re: [RFC PATCH 2/2] mfd: rohm-bd71828: Add power off functionality

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Message-ID: <b5cc609a-b3c5-4994-bcd5-e25a43d33cff@linaro.org>
Date: Mon, 25 Mar 2024 13:13:13 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Andreas Kemnade <andreas@...nade.info>, lee@...nel.org,
 robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 mazziesaccount@...il.com, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev
Subject: Re: [RFC PATCH 2/2] mfd: rohm-bd71828: Add power off functionality

On 24/03/2024 21:12, Andreas Kemnade wrote:
>  	struct regmap_irq_chip_data *irq_data;
> @@ -542,7 +560,18 @@ static int bd71828_i2c_probe(struct i2c_client *i2c)
>  	ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, mfd, cells,
>  				   NULL, 0, regmap_irq_get_domain(irq_data));
>  	if (ret)
> -		dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n");
> +		return	dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n");
> +
> +	if (of_device_is_system_power_controller(i2c->dev.of_node)) {
> +		if (!pm_power_off) {
> +			bd71828_dev = i2c;
> +			pm_power_off = bd71828_power_off;
> +			ret = devm_add_action_or_reset(&i2c->dev,
> +						       bd71828_remove_poweroff,
> +						       NULL);
> +		} else
> +			dev_warn(&i2c->dev, "Poweroff callback already assigned\n");

Missing {}

Please run scripts/checkpatch.pl and fix reported warnings. Some
warnings can be ignored, but the code here looks like it needs a fix.
Feel free to get in touch if the warning is not clear.

Best regards,
Krzysztof