From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: ARM: OMAP: STI/XTI support. Date: Tue, 7 Feb 2006 15:23:14 -0800 Message-ID: <20060207232314.GK27148@atomide.com> References: <20060206194658.GA20394@nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20060206194658.GA20394@nokia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-omap-open-source-bounces@linux.omap.com Errors-To: linux-omap-open-source-bounces@linux.omap.com To: Paul Mundt Cc: linux-omap-open-source@linux.omap.com List-Id: linux-omap@vger.kernel.org * Paul Mundt [060206 13:58]: > This implements a simple subsystem for the OMAP serial tracing interface, > as found in omap16xx and omap24xx. > > There's a few things implemented in this patch: > > - STI console support > - STI netlink support > - STI RX FIFO support > > In addition to this, we also provide a general tracing framework that can > be used by both the kernel and userspace (and imask control for allowing > DSP-side STI manipulation). > > Since the IRQ is multiplexed, drivers register for the bits they're > interested in (the RX FIFO is an example of this). > > The netlink interface exists for streaming data bi-directionally. This is > currently done using NETLINK_USERSOCK, which ends up being somewhat > limiting. > > All of these things have been tested on both OMAP1 and OMAP2, and it > takes in to account some of the protocol differences. Thanks, pushing today. Tony