[PATCH 3/7] mailbox: imx: Add support for identifying SCU wakeup source from sysfs

From: Peng Fan (OSS)
Date: Tue Jan 04 2022 - 01:27:05 EST


From: Ranjani Vaidyanathan <ranjani.vaidyanathan@xxxxxxx>

Record SCU wakeup interrupt in /sys/power/pm_wakeup_irq

Signed-off-by: Ranjani Vaidyanathan <ranjani.vaidyanathan@xxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
drivers/mailbox/imx-mailbox.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index 76d7d399790f..1f44ee11054d 100644
--- a/drivers/mailbox/imx-mailbox.c
+++ b/drivers/mailbox/imx-mailbox.c
@@ -337,7 +337,7 @@ static irqreturn_t imx_mu_isr(int irq, void *p)
}

if (priv->suspend)
- pm_system_wakeup();
+ pm_system_irq_wakeup(priv->irq);

return IRQ_HANDLED;
}
--
2.25.1