diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index fa98062..9dc077e 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -219,7 +219,7 @@
 		return;
 
 	lcr = serial_read_reg(uart, UART_LCR);
-	serial_write_reg(uart, UART_LCR, 0xBF);
+	serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_B);
 	uart->dll = serial_read_reg(uart, UART_DLL);
 	uart->dlh = serial_read_reg(uart, UART_DLM);
 	serial_write_reg(uart, UART_LCR, lcr);
@@ -227,7 +227,7 @@
 	uart->sysc = serial_read_reg(uart, UART_OMAP_SYSC);
 	uart->scr = serial_read_reg(uart, UART_OMAP_SCR);
 	uart->wer = serial_read_reg(uart, UART_OMAP_WER);
-	serial_write_reg(uart, UART_LCR, 0x80);
+	serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_A);
 	uart->mcr = serial_read_reg(uart, UART_MCR);
 	serial_write_reg(uart, UART_LCR, lcr);
 
@@ -251,19 +251,19 @@
 	else
 		serial_write_reg(uart, UART_OMAP_MDR1, UART_OMAP_MDR1_DISABLE);
 
-	serial_write_reg(uart, UART_LCR, 0xBF); /* Config B mode */
+	serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_B);
 	efr = serial_read_reg(uart, UART_EFR);
 	serial_write_reg(uart, UART_EFR, UART_EFR_ECB);
 	serial_write_reg(uart, UART_LCR, 0x0); /* Operational mode */
 	serial_write_reg(uart, UART_IER, 0x0);
-	serial_write_reg(uart, UART_LCR, 0xBF); /* Config B mode */
+	serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_B);
 	serial_write_reg(uart, UART_DLL, uart->dll);
 	serial_write_reg(uart, UART_DLM, uart->dlh);
 	serial_write_reg(uart, UART_LCR, 0x0); /* Operational mode */
 	serial_write_reg(uart, UART_IER, uart->ier);
-	serial_write_reg(uart, UART_LCR, 0x80);
+	serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_A);
 	serial_write_reg(uart, UART_MCR, uart->mcr);
-	serial_write_reg(uart, UART_LCR, 0xBF); /* Config B mode */
+	serial_write_reg(uart, UART_LCR, UART_LCR_CONF_MODE_B);
 	serial_write_reg(uart, UART_EFR, efr);
 	serial_write_reg(uart, UART_LCR, UART_LCR_WLEN8);
 	serial_write_reg(uart, UART_OMAP_SCR, uart->scr);