Re: [PATCH] acpi, spcr: Make SPCR available to x86

From: Prarit Bhargava
Date: Tue Jan 23 2018 - 07:42:12 EST




On 01/22/2018 04:49 PM, Timur Tabi wrote:
> On 01/18/2018 09:09 AM, Prarit Bhargava wrote:
>> if (acpi_disabled) {
>> - if (earlycon_init_is_deferred)
>> + if (earlycon_acpi_spcr_enable)
>
> This patch works for me, so I can ACK it, but first you might want to rename
> earlycon_acpi_spcr_enable, because these two lines don't make much sense.
>
> "If ACPI is disabled, and ACPI SCPR is enabled, then ...."
>
> If ACPI is disabled, then how can a variable called "earlycon_acpi_spcr_enable"
> be true?
>
> Would it make more sense to rename it to earlycon_spcr_enable?
>

acpi_disabled is a global runtime flag that can be set via "acpi=off" on the
command line. It does not disable the tables, only the reading and interpreting
of the data in the tables.

P.