This is a port of the corresponding change from the qcserial.c driver
distributed as part of the 9X50 SDK, tested using author's own EM7565
device.
Signed-off-by: Ivan Shapovalov <intelfx@xxxxxxxxxxxx>
---
drivers/usb/serial/qcserial.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index f1b0ef9935bb..b2ae0b16bc2b 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -257,6 +257,7 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
{
struct usb_host_interface *intf = serial->interface->cur_altsetting;
struct device *dev = &serial->dev->dev;
+ struct usb_device *usb_dev = serial->dev;
int retval = -ENODEV;
__u8 nintf;
__u8 ifnum;
@@ -289,6 +290,9 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
retval = 0; /* Success */
else
altsetting = 1;
+
+ /* disable USB SS for QDL */
+ usb_disable_autosuspend(usb_dev);
}
goto done;
--
2.47.0.5.gd823fa0eac
