From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [PATCH] coresight-stm: adding driver for CoreSight STM component Date: Wed, 25 Feb 2015 17:16:58 +0000 Message-ID: <20150225171658.GF8656@n2100.arm.linux.org.uk> References: <1423088550-15780-1-git-send-email-mathieu.poirier@linaro.org> <1423135651.27378.32.camel@x220> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1423135651.27378.32.camel@x220> Sender: linux-kernel-owner@vger.kernel.org To: Paul Bolle Cc: mathieu.poirier@linaro.org, al.grant@arm.com, linux-doc@vger.kernel.org, jeenu.viswambharan@arm.com, gregkh@linuxfoundation.org, corbet@lwn.net, liviu.dudau@arm.com, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, pratikp@codeaurora.org, linux-arm-kernel@lists.infradead.org, kaixu.xia@linaro.org List-Id: linux-api@vger.kernel.org On Thu, Feb 05, 2015 at 12:27:31PM +0100, Paul Bolle wrote: > I'm _guessing_ that CPU_32v4 and CPU_32v4T are needed for the ldrd and > strd assembler instructions. If that's right a next _guess_ would be > that you also need to mention CPU_32v3 here. No. Double word instructions are available in some ARMv5 (ARMv5TE and up) and from ARMv6. -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net.