Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752143AbbEGJrc (ORCPT ); Thu, 7 May 2015 05:47:32 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:47505 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752083AbbEGJr0 (ORCPT ); Thu, 7 May 2015 05:47:26 -0400 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Felipe Balbi , "Du, Changbin" , Luis Henriques Subject: [PATCH 3.16.y-ckt 042/180] usb: gadget: composite: enable BESL support Date: Thu, 7 May 2015 10:44:11 +0100 Message-Id: <1430991989-23170-43-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1430991989-23170-1-git-send-email-luis.henriques@canonical.com> References: <1430991989-23170-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.16 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1497 Lines: 40 3.16.7-ckt11 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Felipe Balbi commit a6615937bcd9234e6d6bb817c3701fce44d0a84d 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 Cc: Du, Changbin Signed-off-by: Luis Henriques --- drivers/usb/gadget/composite.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index f80151932053..9536b6abf65b 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) 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_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT); /* * The Superspeed USB Capability descriptor shall be implemented by all -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/