Messages in this thread | | | Subject | Re: [PATCH] acpi, spcr: Make SPCR available to x86 | From | Prarit Bhargava <> | Date | Mon, 12 Feb 2018 09:49:47 -0500 |
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On 02/12/2018 09:43 AM, Timur Tabi wrote: > On 2/12/18 7:47 AM, Prarit Bhargava wrote: >> ACPI SPCR is used by a vendor to define the serial console for a system. If >> SPCR exists a user can add kernel parameter "earlycon" (no extra kernel >> parameters) and the console will work out-of-the-box. > > "earlycon" is needed only for an *early* console. You don't need any command > line parameters for a normal console to work with SPCR.
That's true on ARM64. I specifically did not enable the console by default on x86. There are users who do not want a console active during boot & runtime.
P.
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