Messages in this thread | | | Date | Sat, 10 Dec 2005 10:35:38 +0000 | From | Russell King <> | Subject | Re: wrong number of serial port detected |
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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:
http://www.amplicon.co.uk/dr-prod3.cfm/groupId/10740/secid/10177.htm
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 - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - 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/
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