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rtc: hym8563: make the irq optional

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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 <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
This commit is contained in:
Heiko Stübner 2015-06-13 12:34:04 +02:00 • committed by Alexandre Belloni
commit 4be1f6bbd1
2 changed files with 11 additions and 9 deletions
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18
drivers/rtc/rtc-hym8563.c
View file

@ -548,14 +548,16 @@ static int hym8563_probe(struct i2c_client *client,
return ret;
}
ret = devm_request_threaded_irq(&client->dev, client->irq,
NULL, hym8563_irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
client->name, hym8563);
if (ret < 0) {
dev_err(&client->dev, "irq %d request failed, %d\n",
client->irq, ret);
return ret;
if (client->irq > 0) {
ret = devm_request_threaded_irq(&client->dev, client->irq,
NULL, hym8563_irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
client->name, hym8563);
if (ret < 0) {
dev_err(&client->dev, "irq %d request failed, %d\n",
client->irq, ret);
return ret;
}
}
/* check state of calendar information */