This patch removes the ACPI LEGACY_DEVICES IA-PC boot architecture
flag as a condition for early serial console setup. This flag may not
be set on some systems (e.g. IBM x450 and x455) where early serial
console setup is possible.
Signed-off-by: Gary Hade <garyhade@us.ibm.com>
Signed-off-by: David Mosberger <davidm@hpl.hp.com>
setup_serial_hcdp(efi.hcdp);
}
#endif
- /*
- * Without HCDP, we won't discover any serial ports until the serial driver looks
- * in the ACPI namespace. If ACPI claims there are some legacy devices, register
- * the legacy COM ports so serial console works earlier. This is slightly dangerous
- * because we don't *really* know whether there's anything there, but we hope that
- * all new boxes will implement HCDP.
- */
{
extern unsigned char acpi_legacy_devices;
- if (!efi.hcdp && acpi_legacy_devices)
+ if (!efi.hcdp)
setup_serial_legacy();
}
#endif