[PATCH v1 3/3] x86: acpi: Let OS know that console already had been initialized

[Bin Meng]

On Thu, Feb 27, 2020 at 11:22 PM Andy Shevchenko
<andriy.shevchenko at linux.intel.com> wrote:
>
> SPCR has no clue if the UART base clock speed is different to
> the default one. However, the SPCR 1.04 defines baud rate 0 as
> a preconfigured state of UART and OS is supposed not to touch
> the configuration of the serial device.
>
> Linux kernel supports that starting from v5.0, see commit
> b413b1abeb21 ("ACPI: SPCR: Consider baud rate 0 as preconfigured state")
> for the details.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
> ---
>  arch/x86/lib/acpi_table.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>