linux-kernel - Re: [PATCH v1 5/7] rtc-rv8803: extend sysfs to trigger internal ts-event

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Message-ID: <tigg56hutpmaw46io6xxro65ze23oxb25rhruzarhp3bfccidz@zjiymjfbyj45>
Date: Sat, 11 Jan 2025 11:24:36 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Markus Burri <markus.burri@...com>
Cc: linux-kernel@...r.kernel.org, 
	Alexandre Belloni <alexandre.belloni@...tlin.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Marek Vasut <marex@...x.de>, 
	linux-rtc@...r.kernel.org, devicetree@...r.kernel.org, Manuel Traut <manuel.traut@...com>
Subject: Re: [PATCH v1 5/7] rtc-rv8803: extend sysfs to trigger internal
 ts-event

On Fri, Jan 10, 2025 at 07:13:59AM +0100, Markus Burri wrote:
> +	tmo = jiffies + msecs_to_jiffies(100); /* timeout 100ms */
> +	do {
> +		usleep_range(10, 2000);
> +		ret = rv8803_read_reg(client, RX8901_WRCMD_TRG);
> +		if (ret < 0)
> +			return ret;
> +		if (time_after(jiffies, tmo))
> +			return -EBUSY;
> +	} while (ret);
> +
> +	return count;
> +}
> +
>  static DEVICE_ATTR_WO(enable);
>  static DEVICE_ATTR_RO(read);
> +static DEVICE_ATTR_WO(trigger);

Missing ABI documentation.

Best regards,
Krzysztof