[PATCH] usb: roles: disable pm for role switch device

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there is no PM operation for a role switch device,
call device_set_pm_not_required() in usb_role_switch_register() to disable.

Cc: stable@xxxxxxxxxxxxxxx # 5.4+
Signed-off-by: Linyu Yuan <quic_linyyuan@xxxxxxxxxxx>
---
 drivers/usb/roles/class.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index eacb46e..b303c64 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -344,6 +344,7 @@ usb_role_switch_register(struct device *parent,
 	dev_set_drvdata(&sw->dev, desc->driver_data);
 	dev_set_name(&sw->dev, "%s-role-switch",
 		     desc->name ? desc->name : dev_name(parent));
+	device_set_pm_not_required(&sw->dev);
 
 	ret = device_register(&sw->dev);
 	if (ret) {
-- 
2.7.4




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