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rtc: opal: enable support for the stardard "wakeup-source" property

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Though the opal rtc driver should and will continue to support the legacy
"has-tpo" property to enable RTC as the wakeup source, we need to add
support for the new standard property "wakeup-source"

This patch adds support for "wakeup-source" property in addition to the
existing "has-tpo" property.

Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: rtc-linux@googlegroups.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Sudeep Holla 2015-10-21 11:10:00 +01:00 committed by Alexandre Belloni
parent 7a96f2874c
commit 347e40f030
1 changed files with 3 additions and 2 deletions
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5
drivers/rtc/rtc-opal.c
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@ -199,8 +199,9 @@ static int opal_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
if (pdev->dev.of_node && of_get_property(pdev->dev.of_node, "has-tpo",
NULL)) {
if (pdev->dev.of_node &&
(of_property_read_bool(pdev->dev.of_node, "wakeup-source") ||
of_property_read_bool(pdev->dev.of_node, "has-tpo")/* legacy */)) {
device_set_wakeup_capable(&pdev->dev, true);
opal_rtc_ops.read_alarm = opal_get_tpo_time;
opal_rtc_ops.set_alarm = opal_set_tpo_time;