From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailrelay005.isp.belgacom.be (mailrelay005.isp.belgacom.be [195.238.6.171]) by ozlabs.org (Postfix) with ESMTP id DBB5DDE06E for ; Tue, 11 Mar 2008 21:58:54 +1100 (EST) Received: from smtp.belgium.cse-semaphore.com (localhost [127.0.0.1]) by smtp.belgium.cse-semaphore.com (Postfix) with ESMTP id 8719C663A for ; Tue, 11 Mar 2008 11:58:49 +0100 (CET) Received: from pclaurent.belgium.cse-semaphore.com (pclaurent.belgium.cse-semaphore.com [192.168.1.47]) by smtp.belgium.cse-semaphore.com (Postfix) with ESMTP id 612125065 for ; Tue, 11 Mar 2008 11:58:49 +0100 (CET) From: Laurent Pinchart To: linuxppc-dev@ozlabs.org Subject: Interrupt handling documentation Date: Tue, 11 Mar 2008 11:58:45 +0100 MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart14019155.HfdIyVySCb"; protocol="application/pgp-signature"; micalg=pgp-sha1 Message-Id: <200803111158.48540.laurentp@cse-semaphore.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --nextPart14019155.HfdIyVySCb Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi everybody, is there any documentation describing interrupt handling for the powerpc=20 architecture ? I'm writing a driver for a cascaded interrupt controller and= =20 the only source of information I found was the code. I'm particularly interested in information about irq hosts (allocation and= =20 initialisation, especially the map and unmap callbacks) and irq chaining.=20 Different drivers seem to implement cascaded irqs differently (for instance= =20 arch/powerpc/sysdev/uic.c uses setup_irq to register the cascaded irq=20 handler, while arch/powerpc/platforms/82xx/pq2ads-pci-pic.c uses=20 set_irq_chained_handler) so I'm a bit lost here. Best regards, =2D-=20 Laurent Pinchart CSE Semaphore Belgium Chauss=E9e de Bruxelles, 732A B-1410 Waterloo Belgium T +32 (2) 387 42 59 =46 +32 (2) 387 42 75 --nextPart14019155.HfdIyVySCb Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQBH1mXo8y9gWxC9vpcRAgt4AKCatWiEuLmQpjK7b97oXn7JmywJJQCgkzuG 4UUjj7YxSa8eUlMNkUKV90M= =WQCm -----END PGP SIGNATURE----- --nextPart14019155.HfdIyVySCb--