From mboxrd@z Thu Jan 1 00:00:00 1970 From: Franco Fichtner Subject: Re: [net-2.6 PATCH 1/2] qla3xxx: Give the PHY time to come out of reset. Date: Wed, 24 Jun 2009 10:56:11 +0200 Message-ID: <4A41EA2B.20306@marian.de> References: <1245783602-6542-1-git-send-email-ron.mercer@qlogic.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net, netdev@vger.kernel.org To: Ron Mercer Return-path: Received: from moutng.kundenserver.de ([212.227.126.188]:51218 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751853AbZFXI4T (ORCPT ); Wed, 24 Jun 2009 04:56:19 -0400 In-Reply-To: <1245783602-6542-1-git-send-email-ron.mercer@qlogic.com> Sender: netdev-owner@vger.kernel.org List-ID: Ron Mercer wrote: > + /* Give the PHY time to come out of reset. */ > + mdelay(100); > Why *delay* for 100ms? This is something I pointed out quite a while ago when you first introduced your driver. Looking at the other patch where you eventually replaced the delay with a sleep left the door wide open for a lock related issue. So I can see why the delay works "better" for you. However, I also recall pointing out the locking in this driver needed some work, because there were spinlocks held over the duration of numerous function calls. It seemed like a mess, but nobody cared. Franco