MLK-21368 typec: tcpci: disable irq when system suspend

Disable typec irq when suspend to avoid the threaded irq to access
some resource(e.g. i2c over rpmsg) but those resource is not
available at later phrase, also use IRQ_DISABLE_UNLAZY flag to
mask the irq on irq chip level when irq happens.

Suggested-by: Anson Huang <anson.huang@nxp.com>
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
(cherry picked from commit 61869f787fb0ee2f00d0fe9443cb8b487e16e5ec)
Signed-off-by: Arulpandiyan Vadivel <arulpandiyan_vadivel@mentor.com>
Signed-off-by: Shrikant Bobade <Shrikant_Bobade@mentor.com>
(cherry picked from commit 3b1fd5d8ccc9545818ead8bf1dcccb47bfd5c9e6)

diff --git a/drivers/usb/typec/tcpci.c b/drivers/usb/typec/tcpci.c
index f17b565..944e61b 100644 (file)
--- a/drivers/usb/typec/tcpci.c
+++ b/drivers/usb/typec/tcpci.c
@@ -808,6 +808,7 @@ static int tcpci_probe(struct i2c_client *client,
        if (err)
                goto err1;
 
+       irq_set_status_flags(client->irq, IRQ_DISABLE_UNLAZY);
        err = devm_request_threaded_irq(&client->dev, client->irq, NULL,
                                        _tcpci_irq,
                                        IRQF_ONESHOT | IRQF_TRIGGER_LOW,
@@ -828,6 +829,7 @@ static int tcpci_remove(struct i2c_client *client)
        struct tcpci_chip *chip = i2c_get_clientdata(client);
 
        tcpci_unregister_port(chip->tcpci);
+       irq_clear_status_flags(client->irq, IRQ_DISABLE_UNLAZY);
 
        return 0;
 }
@@ -838,6 +840,8 @@ static int tcpci_suspend(struct device *dev)
 
        if (device_may_wakeup(dev))
                enable_irq_wake(chip->tcpci->client->irq);
+       else
+               disable_irq(tcpci->client->irq);
 
        return 0;
 }
@@ -848,6 +852,8 @@ static int tcpci_resume(struct device *dev)
 
        if (device_may_wakeup(dev))
                disable_irq_wake(chip->tcpci->client->irq);
+       else
+               enable_irq(tcpci->client->irq);
 
        return 0;
 }