usb: gadget: composite: enable BESL support
commit a6615937bc
upstream.
According to USB 2.0 ECN Errata for Link Power
Management (USB2-LPM-Errata-final.pdf), BESL
must be enabled if LPM is enabled.
This helps with USB30CV TD 9.21 LPM L1
Suspend Resume Test.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Du, Changbin <changbin.du@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -528,7 +528,7 @@ static int bos_desc(struct usb_composite_dev *cdev)
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usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE;
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usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
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usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT;
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usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT);
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usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT);
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/*
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* The Superspeed USB Capability descriptor shall be implemented by all
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