When testing the Synopsys DWC USB 3.0 Device IP, Compliant Tests are run for USB 3.0 and USB 2.0. An issue was found regarding the USB 2.0 CV Chapter 9 test: LPM L1 Suspend Resume Test. For it to be successful it is necessary to add besl support to the gadget driver and set the deep besl and baseline besl values. Signed-off-by: Joao Pinto <jpinto@xxxxxxxxxxxx> Tested-by: Joao Pinto <jpinto@xxxxxxxxxxxx> --- drivers/usb/gadget/composite.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index b474499..e907578 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -567,7 +567,14 @@ static int bos_desc(struct usb_composite_dev *cdev) usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE; usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY; usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT; - usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT); + usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | + USB_BESL_SUPPORT | + USB_BESL_BASELINE_VALID | + USB_BESL_DEEP_VALID); + + usb_ext->bmAttributes &= cpu_to_le32(~(0x00f00 | 0x0f000)); + usb_ext->bmAttributes |= cpu_to_le32(4 << 8); + usb_ext->bmAttributes |= cpu_to_le32(5 << 12); /* * The Superspeed USB Capability descriptor shall be implemented by all -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
