From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [PATCH v3 00/10] perf: arm64: Support for Hisilicon SoC Hardware event counters Date: Tue, 10 Jan 2017 17:43:11 +0000 Message-ID: <20170110174311.GB24036@leverpostej> References: <1483339672-23778-1-git-send-email-anurup.m@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1483339672-23778-1-git-send-email-anurup.m-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Anurup M Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, corbet-T1hC0tSOHrs@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, anurup.m-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, zhangshaokun-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org, tanxiaojun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, xuwei5-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org, sanil.kumar-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org, john.garry-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, gabriele.paoloni-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, shiju.jose-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, wangkefeng.wang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, linuxarm-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, shyju.pv-hv44wF8Li93QT0dZR+AlfA@public.gmane.org List-Id: devicetree@vger.kernel.org Hi, On Mon, Jan 02, 2017 at 01:47:52AM -0500, Anurup M wrote: > ToDo: > 1) The counter overflow handling is currently unsupported in this > patch series. >>From a quick scan of the patches, I see mention of an interrupt in a comment the driver, but there's noething in the DT binding. Is there an overflow interrupt at all? Or do you need to implement polling to avoid overflow? This is a prerequisite for merging the driver. Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html