From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aristeu Sergio Rozanski Filho Subject: Re: [PATCH] add ignore_ports option Date: Tue, 10 May 2005 10:01:05 -0300 Message-ID: <20050510130104.GE3907@cathedrallabs.org> References: <20050510121151.GA4676@cathedrallabs.org> <20050510135000.B3358@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from panda.sul.com.br ([200.219.150.4]:12557 "EHLO panda.sul.com.br") by vger.kernel.org with ESMTP id S261643AbVEJNbr (ORCPT ); Tue, 10 May 2005 09:31:47 -0400 Content-Disposition: inline In-Reply-To: <20050510135000.B3358@flint.arm.linux.org.uk> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Russell King Cc: linux-serial@vger.kernel.org Hi, > > Hi, > > this patch adds an option to 8250 driver to avoid probing for a > > serial port in specified addresses. > > Please consider applying > > You don't say why this is desireable. this is needed when you have to compile serial driver built-in for serial console but have, for example, an IRDA device in one of the ports. In my notebook this happens and I'm unable to load nsc-ircc driver after that because the I/O range is already taken: Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A ttyS1 at I/O 0x2f8 (irq = 3) is a NS16550A (...) nsc-ircc, Found chip at base=0x02e nsc-ircc, driver loaded (Dag Brattli) nsc_ircc_open(), can't get iobase of 0x2f8 -- Aristeu