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authorFelipe Balbi <balbi@ti.com>2014-09-30 17:08:03 -0400
committerFelipe Balbi <balbi@ti.com>2014-10-23 10:55:41 -0400
commita6615937bcd9234e6d6bb817c3701fce44d0a84d (patch)
tree8e9eba5d2f77250bb6aeee6801d32b7e6fbffad8 /drivers/usb/gadget
parentd2e6d62c9cbbc2da4211f672dbeea08960e29a80 (diff)
usb: gadget: composite: enable BESL support
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>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/composite.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index a8c18df171c3..f6a51fddd5b5 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -560,7 +560,7 @@ static int bos_desc(struct usb_composite_dev *cdev)
560 usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE; 560 usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE;
561 usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY; 561 usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
562 usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT; 562 usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT;
563 usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT); 563 usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT);
564 564
565 /* 565 /*
566 * The Superspeed USB Capability descriptor shall be implemented by all 566 * The Superspeed USB Capability descriptor shall be implemented by all