From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <18071.7389.640461.229828@cargo.ozlabs.ibm.com> Date: Fri, 13 Jul 2007 16:34:05 +1000 From: Paul Mackerras To: Scott Wood Subject: Re: [PATCH 3/4] pm: Handle HID0_SLEEP in the TLF_NAPPING hack. In-Reply-To: <20070712191301.GB31381@ld0162-tx32.am.freescale.net> References: <20070712191205.GA31358@ld0162-tx32.am.freescale.net> <20070712191301.GB31381@ld0162-tx32.am.freescale.net> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Scott Wood writes: > The e300 core (and probably most other 6xx chips) can only come out of > sleep mode with an interrupt. However, interrupts are logically disabled > by the power management layer. On powerbooks it's typically a hard reset rather than an interrupt. Is it possible to use a hard reset on e300-based systems? Also, if you use an interrupt, presumably the cpu has to do something to clear the interrupt condition. What would that be? Paul.