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Commit 4be1f6bb authored Jun 13, 2015 by Heiko Stübner Committed by Alexandre Belloni Jun 25, 2015

rtc: hym8563: make the irq optional



Sometimes the irq line is not connected to any soc-pin. This does
not hinder basic timekeeping functionality of the rtc, so probe
should not fail in this case.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

parent 45b4c85b

Documentation/devicetree/bindings/rtc/haoyu,hym8563.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -6,11 +6,11 @@ as well as a clock output of up to 32kHz.
		Required properties:
		- compatible: should be: "haoyu,hym8563"
		- reg: i2c address
		- interrupts: rtc alarm/event interrupt
		- #clock-cells: the value should be 0

		Optional properties:
		- clock-output-names: From common clock binding
		- interrupts: rtc alarm/event interrupt

		Example:

drivers/rtc/rtc-hym8563.c

+10 −8

Original line number	Diff line number	Diff line
		@@ -548,6 +548,7 @@ static int hym8563_probe(struct i2c_client *client,
		return ret;
		}

		if (client->irq > 0) {
		ret = devm_request_threaded_irq(&client->dev, client->irq,
		NULL, hym8563_irq,
		IRQF_TRIGGER_LOW \| IRQF_ONESHOT,
		@@ -557,6 +558,7 @@ static int hym8563_probe(struct i2c_client *client,
		client->irq, ret);
		return ret;
		}
		}

		/* check state of calendar information */
		ret = i2c_smbus_read_byte_data(client, HYM8563_SEC);