15 Apr
2020
15 Apr
'20
4:27 p.m.
On Wed, Apr 15, 2020 at 10:20 PM Bin Meng bmeng.cn@gmail.com wrote:
On Thu, Feb 27, 2020 at 11:22 PM Andy Shevchenko andriy.shevchenko@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@linux.intel.com
arch/x86/lib/acpi_table.c | 9 +++++++++ 1 file changed, 9 insertions(+)
Reviewed-by: Bin Meng bmeng.cn@gmail.com
applied to u-boot-x86, thanks!