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SubjectRe: wrong number of serial port detected
On Fri, Dec 09, 2005 at 12:54:44PM -0700, Bjorn Helgaas wrote:
> On Friday 09 December 2005 7:37 am, Jason Dravet wrote:
> > The question I have
> > is with all of this plug and play stuff in our PCs shouldn't it be possible
> > to get the correct number of ports, ask the bios or the pci bus or
> > something?
> Yes. ACPI (or even PNPBIOS) should tell us about all the "legacy"
> ports, and PCI or other bus enumeration should tell us about all the
> rest.

Unless I stick a serial card into an industrial PC. And yes, ISA
serial cards are still sold:

ISA serial cards will not show up in ACPI, PNPBIOS or any other bus
enumeration scheme. The only way to use them is via setserial.

Russell King
Linux kernel 2.6 ARM Linux -
maintainer of: 2.6 Serial core
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