From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-2?Q?Stanis=B3aw_Gruszka?= Subject: Re: [PATCH] ATA: pata_at91.c bugfixes Date: Fri, 29 Apr 2011 09:56:54 +0200 Message-ID: <4dba6f46587df2.89235609@wp.pl> References: <1303299877-12088-1-git-send-email-plyatov@gmail.com> <20110423093623.GA3410@localhost.localdomain> <4DB6684C.7050505@gmail.com> <20110427183819.GA2285@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from mx4.wp.pl ([212.77.101.8]:22975 "EHLO mx4.wp.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754765Ab1D2H44 (ORCPT ); Fri, 29 Apr 2011 03:56:56 -0400 In-reply-to: <1303299877-12088-1-git-send-email-plyatov@gmail.com> <20110423093623.GA3410@localhost.localdomain> <4DB6684C.7050505@gmail.com> <20110427183819.GA2285@localhost.localdomain> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Stanislaw Gruszka Cc: Igor Plyatov , Jeff Garzik , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org > > * The NCS_RD_CYCLE is equal to the NRD_CYCLE for AT91SAM9, because they > > start/finish simultaneously (HW related). > No, NCS and NRD are different signals, waveforms are different (if > configured differently in SMC controller). Your sentence is true. NRD and NCS cycle time must be the same (otherwise SMC behaviour is undefined), hence both signals start/finish simultaneously. Anyway waveforms (setup, and pulse time) can be different. All of thise are kinda obvious, no? :-) Stanislaw