From owner-freebsd-usb@freebsd.org Fri Oct 30 14:52:14 2015 Return-Path: Delivered-To: freebsd-usb@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 368BFA200CD for ; Fri, 30 Oct 2015 14:52:14 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (heidi.turbocat.net [88.198.202.214]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id F19011CC7 for ; Fri, 30 Oct 2015 14:52:13 +0000 (UTC) (envelope-from hps@selasky.org) Received: from laptop015.home.selasky.org (cm-176.74.213.204.customer.telag.net [176.74.213.204]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 3E5C61FE023; Fri, 30 Oct 2015 15:52:10 +0100 (CET) Subject: Re: [PATCH] dwc_otg: Reduce interrupt load To: Sebastian Huber , freebsd-usb@freebsd.org References: <1446212307-4660-1-git-send-email-sebastian.huber@embedded-brains.de> From: Hans Petter Selasky Message-ID: <56338480.3090607@selasky.org> Date: Fri, 30 Oct 2015 15:53:52 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <1446212307-4660-1-git-send-email-sebastian.huber@embedded-brains.de> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Oct 2015 14:52:14 -0000 On 10/30/15 14:38, Sebastian Huber wrote: > Tested on an Altera Cyclone V development kit. Here the controller has > 16 host channels. This change significantly reduced the time spent in > the dwc_otg_interrupt_poll_locked() function. Hi, Thank you for your optimisation patch: https://svnweb.freebsd.org/changeset/base/290195 How does the DWC OTG driver from FreeBSD work with your setup? --HPS