--- zzzz-none-000/linux-3.10.107/arch/mips/mti-malta/malta-platform.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/mti-malta/malta-platform.c	2021-02-04 17:41:59.000000000 +0000
@@ -47,6 +47,7 @@
 static struct plat_serial8250_port uart8250_data[] = {
 	SMC_PORT(0x3F8, 4),
 	SMC_PORT(0x2F8, 3),
+#ifndef CONFIG_MIPS_CMP
 	{
 		.mapbase	= 0x1f000900,	/* The CBUS UART */
 		.irq		= MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
@@ -55,6 +56,7 @@
 		.flags		= CBUS_UART_FLAGS,
 		.regshift	= 3,
 	},
+#endif
 	{ },
 };