On Mon, 2016-02-15 at 21:05 +0300, Aleksey Makarov wrote: > This patchset is based on the patchset by Leif Lindholm [1] > > 'ARM Server Base Boot Requirements' [2] mentions SPCR (Serial Port > Console Redirection Table) [3] as a mandatory ACPI table that > specifies the configuration of serial console. > > SPCR support is included in QEMU's ARM mach-virt since 2.4 release. > > 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(). > > Use SPCR to tell if SBSA serial driver should use 32-bit access to registers. > > To be able to access SPCR table each time any console is registered > change __init to __ref for early_acpi_os_unmap_memory(). > > The patchset should be applied to tty-next. On Mustang, m400, and Seattle: Tested-by: Mark Salter <msalter@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
