* Add reset-resume callback for resetting USB devices after MCU exits
from suspend/sleep mode.
* Add zero packet support
Fixes: da6902e5b6db ("USB: serial: option: add Quectel EG95 LTE modem"
Signed-off-by: William Sung <william.sung@xxxxxxxxxxxxxxxx>
---
v2: * Add ZLP support
* Remove redundant code for reserving interface number 4
drivers/usb/serial/option.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 89b3192af326..ba4dc67dab2f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1099,7 +1099,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC25),
.driver_info = RSVD(4) },
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG95),
- .driver_info = RSVD(4) },
+ .driver_info = RSVD(4) | ZLP },
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG96),
.driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EP06, 0xff, 0xff, 0xff),
@@ -2069,6 +2069,7 @@ static struct usb_serial_driver option_1port_device = {
#ifdef CONFIG_PM
.suspend = usb_wwan_suspend,
.resume = usb_wwan_resume,
+ .reset_resume = usb_wwan_resume,
#endif
};
--
2.17.1
