From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 379A41007D1 for ; Sat, 28 Nov 2009 13:26:55 +1100 (EST) Subject: Re: [RFC PATCH 11/19] powerpc: gamecube/wii: flipper interrupt controller support From: Benjamin Herrenschmidt To: Segher Boessenkool In-Reply-To: <99B59D17-B6C7-42F7-9DF2-E803578651E9@kernel.crashing.org> References: <1258927311-4340-1-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-3-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-4-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-5-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-6-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-7-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-8-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-9-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-10-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-11-git-send-email-albert_herranz@yahoo.es> <1258927311-4340-12-git-send-email-albert_herranz@yahoo.es> <8E6E11A2-25F1-4AB8-B42E-58C269018CD2@kernel.crashing.org> <4B0D65C5.8090304@yahoo.es> <7556BF73-5D6D-4817-A02F-3DFA05E9AC58@kernel.crashing.org> <4B0EFBB2.9090206@yahoo.es> <9741644C-BED3-45D9-B405-4C4FC2184DC7@kernel.crashing.org> <786BBFA3-39AF-4100-8406-6B32258D3174@kernel.crashing.org> <4B100BF4.5080209@yahoo.es> <1259357673.2076.6.camel@pasglop> <99B59D17-B6C7-42F7-9DF2-E803578651E9@kernel.crashing.org> Content-Type: text/plain; charset="UTF-8" Date: Sat, 28 Nov 2009 13:26:49 +1100 Message-ID: <1259375209.2076.12.camel@pasglop> Mime-Version: 1.0 Cc: Albert Herranz , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, 2009-11-28 at 03:04 +0100, Segher Boessenkool wrote: > >> It turns out that we _need_ to ack the RSW (Reset Switch) > interrupt. > >> The other interrupt sources checked (EXI, VI, DI, AI, DSP/ARAM) > need > >> no explicit ack. > > > > That would probably mean that the reset switch interrupt is an edge > > interrupt. > > Nah, it means that the RSW is a flip-flop. Controlled by the PIC's ISR ? That would be weird. But heh, it's custom (aka crap) HW so ... :-) Cheers, Ben.