Re: [PATCH v3 4/8] rtc: ac100: Add RTC driver for X-Powers AC100

[Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>]

On 20/06/2016 at 10:52:14 +0800, Chen-Yu Tsai wrote :
> +static int ac100_rtc_probe(struct platform_device *pdev)
> +{
> +	struct ac100_dev *ac100 = dev_get_drvdata(pdev->dev.parent);
> +	struct ac100_rtc_dev *chip;
> +	int ret;
> +
> +	chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
> +	platform_set_drvdata(pdev, chip);
> +	chip->dev = &pdev->dev;
> +	chip->regmap = ac100->regmap;
> +	mutex_init(&chip->mutex);
> +
> +	chip->irq = of_irq_get(pdev->dev.of_node, 0);

Forgot that one, platform_get_irq() is probably more common but I don't
care that much. I think you can then avoid including of.h and of_irq.h.

> +	if (chip->irq < 0) {
> +		dev_err(&pdev->dev, "No IRQ resource\n");
> +		return chip->irq;
> +	}
> +

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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