From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753469AbaCXOQO (ORCPT ); Mon, 24 Mar 2014 10:16:14 -0400 Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:47891 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753081AbaCXOQM (ORCPT ); Mon, 24 Mar 2014 10:16:12 -0400 Date: Mon, 24 Mar 2014 14:15:58 +0000 From: One Thousand Gnomes To: "David F." Cc: linux-kernel@vger.kernel.org Subject: Re: patch fix for intel sdd s3500 series on Sil3512 controller Message-ID: <20140324141558.31c169cf@alan.etchedpixels.co.uk> In-Reply-To: References: Organization: Intel Corporation X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.20; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 22 Mar 2014 16:32:54 -0700 "David F." wrote: > Hi, > > It appears if nIEN is set all polling type IO fails. After an > attempt, future non-polled communications also fails. This patch > allows it to work. Not sure if any spin lock protection would be > needed or the system already handles the device existence for the > generated irq with polling enabled. handler already ignored irq if > queued command was polling type. Does it behave plugged into a different controller without the hacks ? Alan