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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> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> |
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cpu | ||
dts | ||
include/asm | ||
lib | ||
config.mk | ||
Kconfig | ||
Makefile |