From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Date: Wed, 15 Oct 2003 17:20:09 +0000 Subject: Re: [PATCH] fix serial port naming Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Wed, Oct 15, 2003 at 10:54:36AM -0600, Bjorn Helgaas wrote: > This also fixes a long-standing serial device naming issue: > ttyS0-ttyS3 were always reserved for the compiled-in > COM ports, even if they weren't present in the box. > Any additional PCI or ACPI ports appeared starting at > ttyS4 (except for the special case of things described > in the HCDP). Now we'll just name ttyS devices in the > order they're discovered, without any holes for non-existent > devices. Oh good; this was even worse on 2.6 where we would number the two serial ports on a zx2000 ttyS0 and ttyS14. That caused me much crawling about on the floor with serial cables until I realised I'd pointed minicom at ttyS1 which wasn't there any more. -- "It's not Hollywood. War is real, war is primarily not about defeat or victory, it is about death. I've seen thousands and thousands of dead bodies. Do you think I want to have an academic debate on this subject?" -- Robert Fisk