On Mon, Feb 29, 2016 at 6:02 AM, Aleksey Makarov <aleksey.makarov@xxxxxxxxxx> wrote: > 'ARM Server Base Boot Requiremets' [1] mentions SPCR (Serial Port > Console Redirection Table) [2] as a mandatory ACPI table that > specifies the configuration of serial console. > > Parse this table and check if any registered console match the > description. If it does, enable that console. > > Introduce a new function acpi_console_check(). At the uart port > registration, this function checks if the ACPI SPCR table specifies > its argument of type struct uart_port to be a console > and if so calls add_preferred_console(). > > [1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.den0044a/index.html > [2] http://msdn.microsoft.com/en-us/library/windows/hardware/dn639131(v=vs.85).aspx > > Signed-off-by: Aleksey Makarov <aleksey.makarov@xxxxxxxxxx> Tested-by: Timur Tabi <timur@xxxxxxxxxxxxxx> I know another version of patch is coming, but I tested this version and it works. -- Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project. -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
