From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from lider.uludag.org.tr ([193.140.100.216]:51562 "EHLO lider.pardus.org.tr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752534AbZJXHte (ORCPT ); Sat, 24 Oct 2009 03:49:34 -0400 Message-ID: <4AE2B18A.5080507@pardus.org.tr> Date: Sat, 24 Oct 2009 10:49:30 +0300 From: =?UTF-8?B?T3phbiDDh2HEn2xheWFu?= MIME-Version: 1.0 To: Alan Stern CC: Laurent Pinchart , linux-media@vger.kernel.org, linux-kernel , USB list Subject: Re: uvcvideo causes ehci_hcd to halt References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Alan Stern wrote: > Okay, that proves this really is a timing bug in the hardware. But we > can't go around putting 2-millisecond delays in the kernel! Maybe you > can test to see if smaller delays will fix the problem. If 50 > microseconds or less doesn't work then it will be necessary to add a > new timer to ehci-hcd. > Okay I'll check with smaller values there but I couldn't get the meaning of "if 50 us or less doesn't work then it will be necessary to add a new timer to ehci-hcd". Thanks.