Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754681AbZAIS3b (ORCPT ); Fri, 9 Jan 2009 13:29:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752678AbZAIS3W (ORCPT ); Fri, 9 Jan 2009 13:29:22 -0500 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:58403 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751876AbZAIS3V (ORCPT ); Fri, 9 Jan 2009 13:29:21 -0500 Date: Fri, 9 Jan 2009 18:29:24 +0000 From: Alan Cox To: Dick Hollenbeck Cc: Arnd Bergmann , linux-kernel@vger.kernel.org Subject: Re: New true IDE compact flash driver starting point? Message-ID: <20090109182924.2d7580c2@lxorguk.ukuu.org.uk> In-Reply-To: <4967977E.5010504@softplc.com> References: <49659E41.5070001@softplc.com> <200901081318.44188.arnd@arndb.de> <49661B0F.6030206@softplc.com> <200901091733.16931.arnd@arndb.de> <4967977E.5010504@softplc.com> X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.12; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 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 Content-Length: 675 Lines: 13 > 1) Since this is for a quasi realtime application, is there any > advantage to using the interrupt line regarding how the CPU spends its > idle time waiting for the flash? (I have an interrupt line I can use.) > Currently I am not sending in the IRQ resource, resource array length of > 2, not 3. For real time you may actually be better with the IRQless polling behaviour as the driver and ATA library currently stands. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/