From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pratik Patel Subject: Re: [RFC 3/5] ARM: CTI: Convert CTI helpers to AMBA bus driver Date: Fri, 21 Dec 2012 14:35:58 -0800 Message-ID: <20121221223558.GC2658@pratikp-linux.qualcomm.com> References: <1355348588-22318-1-git-send-email-jon-hunter@ti.com> <1355348588-22318-4-git-send-email-jon-hunter@ti.com> <20121221222703.GB2658@pratikp-linux.qualcomm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20121221222703.GB2658@pratikp-linux.qualcomm.com> Sender: linux-omap-owner@vger.kernel.org To: Jon Hunter Cc: Paul Walmsley , Russell King , device-tree , Will Deacon , Rob Herring , Grant Likely , linux-arm , linux-omap , Ming Lei , Linus Walleij List-Id: devicetree@vger.kernel.org On Fri, Dec 21, 2012 at 02:27:03PM -0800, Pratik Patel wrote: > On Wed, Dec 12, 2012 at 03:43:06PM -0600, Jon Hunter wrote: > > + > > +/** > > + * cti_irq_ack - acknowledges the CTI trigger output > > + * @cti: CTI instance > > + * > > + * Acknowledges the CTI trigger output by writting to the appropriate > > + * bit in the CTI interrupt acknowledge register. > > + */ > > +int cti_irq_ack(struct cti *cti) > > +{ > > + u32 v; > > + > > + if (!cti || !cti->enabled) > > + return -EINVAL; > > + > > + v = cti_readl(cti, CTIINTACK); > > Just curious if CTIINTACK is a read-write register? This is a > read-only for us. > Mistyped - its a write-only for us -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation