4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Tony Lindgren <tony@xxxxxxxxxxx> [ Upstream commit 4cd6a59f5c1a9b0cca0da09fbba42b9450ffc899 ] We have more than four uarts on some SoCs and that can cause noise with errors while booting. Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/arm/configs/omap2plus_defconfig | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -216,6 +216,7 @@ CONFIG_SERIO=m CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_NR_UARTS=32 +CONFIG_SERIAL_8250_RUNTIME_UARTS=6 CONFIG_SERIAL_8250_EXTENDED=y CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_SHARE_IRQ=y