Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262390AbTFTFlv (ORCPT ); Fri, 20 Jun 2003 01:41:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262400AbTFTFlv (ORCPT ); Fri, 20 Jun 2003 01:41:51 -0400 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:62733 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S262390AbTFTFlu (ORCPT ); Fri, 20 Jun 2003 01:41:50 -0400 Date: Fri, 20 Jun 2003 06:55:47 +0100 From: Russell King To: Adam Belay , linux-kernel@vger.kernel.org, "Theodore Ts'o" Subject: Re: [PATCH] PnP Changes for 2.5.72 Message-ID: <20030620065547.B7431@flint.arm.linux.org.uk> Mail-Followup-To: Adam Belay , linux-kernel@vger.kernel.org, Theodore Ts'o References: <20030618234418.GC333@neo.rr.com> <20030619093632.A29602@flint.arm.linux.org.uk> <20030619234249.GA31392@neo.rr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20030619234249.GA31392@neo.rr.com>; from ambx1@neo.rr.com on Thu, Jun 19, 2003 at 11:42:49PM +0000 X-Message-Flag: Your copy of Microsoft Outlook is vulnerable to viruses. See www.mutt.org for more details. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1233 Lines: 23 On Thu, Jun 19, 2003 at 11:42:49PM +0000, Adam Belay wrote: > I removed avoid_irq_share because the current pnp code, like the previous, does > not allow irq sharing. Also it corrupts the device rule structure by replacing > it with modified values that may not apply after devices are disabled etc. > Is there a set of conditions I could follow to determine if a serial pnp device > is capable of irq sharing, and also with which other devices can a capable > device share an irq? If so, I could have the resource manager handle this type > of situation when few irqs are available. The problem is one of a lack of historical information on why it was added. The driver itself allows serial ports to share interrupts between themselves. Maybe tytso knows why the "Rockwell 56K ACF II Fax+Data+Voice Modem" is unable to share IRQs? -- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/