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UPSTREAM: rtc: hym8563: enable wakeup when applicable

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Enable wakeup in the hym8563 driver if the IRQ was successfully
requested or if wakeup-source is set in the devicetree.

As per the description of device_init_wakeup(), it should be enabled
for "devices that everyone expects to be wakeup sources".  One would
expect this to be the case with a real-time clock.

Tested on rk3288-rock2-square, which has an IRQ configured for the
RTC.  As a result, wakeup was enabled during driver initialisation.

Change-Id: I1e0c3f99d38c84ba7e6c15bf8919a3f30289e7ae
Fixes: dcaf038493 ("rtc: add hym8563 rtc-driver")
Reported-by: kernelci.org bot <bot@kernelci.org>
Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1ea023e2ba50a4dab6e39be93d7de3146af71a60.1604653374.git.guillaume.tucker@collabora.com
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
(cherry picked from commit c56ac7a0f4)
This commit is contained in:
Guillaume Tucker
2020-11-06 09:06:31 +00:00
committed by Tao Huang
parent e5f9e39692
commit eb98d6c9f9
1 changed files with 5 additions and 2 deletions
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7
drivers/rtc/rtc-hym8563.c
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@@ -534,8 +534,6 @@ static int hym8563_probe(struct i2c_client *client,
hym8563->client = client;
i2c_set_clientdata(client, hym8563);
device_set_wakeup_capable(&client->dev, true);
ret = hym8563_init_device(client);
if (ret) {
dev_err(&client->dev, "could not init device, %d\n", ret);
@@ -554,6 +552,11 @@ static int hym8563_probe(struct i2c_client *client,
}
}
if (client->irq > 0 ||
device_property_read_bool(&client->dev, "wakeup-source")) {
device_init_wakeup(&client->dev, true);
}
/* check state of calendar information */
ret = i2c_smbus_read_byte_data(client, HYM8563_SEC);
if (ret < 0)