linux-kernel - [PATCH] rtc: da9063: add as wakeup source

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Date:   Mon,  1 Nov 2021 17:25:04 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Nikita Shubin <nikita.shubin@...uefel.me>,
        Support Opensource <support.opensource@...semi.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] rtc: da9063: add as wakeup source

in case if threaded irq registered successfully - add da9063
as a wakeup source if "wakeup-source" node present in device tree,
set as wakeup capable otherwise.

Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
 drivers/rtc/rtc-da9063.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c
index d4b72a9fa2ba..1aceb5ba6992 100644
--- a/drivers/rtc/rtc-da9063.c
+++ b/drivers/rtc/rtc-da9063.c
@@ -490,7 +490,15 @@ static int da9063_rtc_probe(struct platform_device *pdev)
 					da9063_alarm_event,
 					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
 					"ALARM", rtc);
-	if (ret)
+	if (!ret) {
+		if (device_property_present(&pdev->dev, "wakeup-source")) {
+			device_init_wakeup(&pdev->dev, true);
+			dev_info(&pdev->dev, "registered as wakeup source.\n");
+		} else {
+			device_set_wakeup_capable(&pdev->dev, true);
+			dev_info(&pdev->dev, "marked as wakeup capable.\n");
+		}
+	} else
 		dev_err(&pdev->dev, "Failed to request ALARM IRQ %d: %d\n",
 			irq_alarm, ret);
 
-- 
2.31.1