On Thursday 25 January 2007 03:59, Matthew Garrett wrote:
> On Thu, Jan 25, 2007 at 06:23:25PM +0800, Zhao Forrest wrote:
> > I found that kernel 2.4.21 has CONFIG_SERIAL_ACPI, but 2.6 kernel and
> > later 2.4 kernel remove this kernel config option.
> > Has CONFIG_SERIAL_ACPI become the default option and been built into kernel?
>
> The support has been merged into the PNP serial driver.
To get the functionality that CONFIG_SERIAL_ACPI used to provide, you
now need:
CONFIG_ACPI
CONFIG_PNP
CONFIG_PNPACPI
CONFIG_SERIAL_8250
CONFIG_SERIAL_8250_PNP
Most of those should be set by default, but sometimes people miss
CONFIG_PNPACPI.
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