Messages in this thread | | | From | Bjorn Helgaas <> | Subject | Re: PNP parallel&serial ports: module reload fails (2.6.11)? | Date | Fri, 10 Jun 2005 10:26:23 -0600 |
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On Friday 10 June 2005 10:20 am, Dmitry Torokhov wrote: > On 6/10/05, Bjorn Helgaas <bjorn.helgaas@hp.com> wrote: > > On Thursday 09 June 2005 3:16 pm, Russell King wrote: > > > The reason that 8250 first detects your ports is that they're found > > > via the legacy method which is independent of PnP. As you correctly > > > sumise, when you unload 8250_pnp, it disables the device so when you > > > re-load 8250, it's unable to detect your ports using the legacy method. > > > > > > But the legacy method needs to continue to exist for systems which > > > don't have PnP enabled. > > > > But shouldn't we someday move the legacy probing from 8250 > > into an 8250_platform and only do it if we don't have 8250_pnp? > > Given how much pain PNP/ACPI probing of i8042 was causing to everyone > I'd be cautious. BIOS writers are extremely creative. Maybe ia64 only > while x86 should default to legacy probing.
Yeah, probably so :-(
(ia64 already has no legacy 8250 probing.) - 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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