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serial: 8250_early: Convert literals to use defines 

Use existing defines for the serial register values in 8250_early.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221125130509.8482-7-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen 2022-11-25 15:05:09 +02:00 committed by Greg Kroah-Hartman
parent afd216ca17
commit 8573b2ebce
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/serial/8250/8250_early.c
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@ -136,11 +136,11 @@ static void __init init_port(struct earlycon_device *device)
unsigned char c;
unsigned int ier;
serial8250_early_out(port, UART_LCR, 0x3); /* 8n1 */
serial8250_early_out(port, UART_LCR, UART_LCR_WLEN8); /* 8n1 */
ier = serial8250_early_in(port, UART_IER);
serial8250_early_out(port, UART_IER, ier & UART_IER_UUE); /* no interrupt */
serial8250_early_out(port, UART_FCR, 0); /* no fifo */
serial8250_early_out(port, UART_MCR, 0x3); /* DTR + RTS */
serial8250_early_out(port, UART_MCR, UART_MCR_DTR | UART_MCR_RTS);
if (port->uartclk) {
divisor = DIV_ROUND_CLOSEST(port->uartclk, 16 * device->baud);