From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 97DD1B6F19 for ; Fri, 9 Jul 2010 23:02:39 +1000 (EST) In-Reply-To: <1278619791.1801.4@antares> References: <1278614421.1801.0@antares> <1278619791.1801.4@antares> Mime-Version: 1.0 (Apple Message framework v753.1) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: From: Segher Boessenkool Subject: Re: [PATCH] arch/powerpc/lib/copy_32.S: Use alternate memcpy for MPC512x and MPC52xx Date: Fri, 9 Jul 2010 15:03:27 +0200 To: =?ISO-8859-1?Q?Albrecht_Dre=DF?= Cc: David Woodhouse , Steve Deiters , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > Hmm, unfortunately, it's usage is not clearly documented in mtd- > physmap.txt, It's pretty clear I think. Patches for making it better are welcome of course. > so I never thought of this parameter. And IMHO the problem goes > further - basically *any* chip which is attached to the LPB can be > affected by this problem, so it might be better to have a more > general approach like a "chip select property". You cannot treat devices on the LPB as random access, that's all. Drivers that assume they can, cannot be used for devices on the LPB. Segher