From patchwork Thu Nov 26 18:09:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 11934527 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76BDBC64E75 for ; Thu, 26 Nov 2020 18:10:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 219AC20B80 for ; Thu, 26 Nov 2020 18:10:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="1oLvVZNG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404715AbgKZSJr (ORCPT ); Thu, 26 Nov 2020 13:09:47 -0500 Received: from mail.kernel.org ([198.145.29.99]:54822 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404676AbgKZSJq (ORCPT ); Thu, 26 Nov 2020 13:09:46 -0500 Received: from localhost (82-217-20-185.cable.dynamic.v4.ziggo.nl [82.217.20.185]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B2ACA21D7E; Thu, 26 Nov 2020 18:09:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1606414186; bh=l+ML/gM0MaklgpBNcmLG6VwzDWRbhWmTWpVYK6fwplg=; h=From:To:Cc:Subject:Date:From; b=1oLvVZNGn6vg5KA4LpCnv8hntPsx6unDPfbOTwuRVEraMElsghoNchm709t0+zOb9 NKvc+Lm7yCwlC3iipbKVjnFp3CNzo9zvSxyOnehffcjzM/boiNIoKco4EwaNi4K9pa A4vq0tvdpfJeetarcVuLH4seuSl57aT4XAQolQh0= From: Greg Kroah-Hartman To: balbi@kernel.org Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Will McVicker , EJ Hsu , Peter Chen , stable , Greg Kroah-Hartman Subject: [PATCH 1/4] USB: gadget: f_rndis: fix bitrate for SuperSpeed and above Date: Thu, 26 Nov 2020 19:09:34 +0100 Message-Id: <20201126180937.255892-1-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Will McVicker Align the SuperSpeed Plus bitrate for f_rndis to match f_ncm's ncm_bitrate defined by commit 1650113888fe ("usb: gadget: f_ncm: add SuperSpeed descriptors for CDC NCM"). Cc: Felipe Balbi Cc: EJ Hsu Cc: Peter Chen Cc: stable Signed-off-by: Will McVicker Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/function/f_rndis.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index 9534c8ab62a8..0739b05a0ef7 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -87,8 +87,10 @@ static inline struct f_rndis *func_to_rndis(struct usb_function *f) /* peak (theoretical) bulk transfer rate in bits-per-second */ static unsigned int bitrate(struct usb_gadget *g) { + if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS) + return 4250000000U; if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER) - return 13 * 1024 * 8 * 1000 * 8; + return 3750000000U; else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) return 13 * 512 * 8 * 1000 * 8; else