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serial: 8250_early: Setup divider when uartclk is passed

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device->baud is always non zero value because it is checked already in
early_serial8250_setup() before init_port is called.

Signed-off-by: Michal Simek <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Michal Simek 2018-04-23 11:18:11 +02:00 • committed by Greg Kroah-Hartman
commit 700ad5531b
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/8250/8250_early.c
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@ -122,7 +122,7 @@ static void __init init_port(struct earlycon_device *device)
serial8250_early_out(port, UART_FCR, 0); /* no fifo */
serial8250_early_out(port, UART_MCR, 0x3); /* DTR + RTS */
if (port->uartclk && device->baud) {
if (port->uartclk) {
divisor = DIV_ROUND_CLOSEST(port->uartclk, 16 * device->baud);
c = serial8250_early_in(port, UART_LCR);
serial8250_early_out(port, UART_LCR, c | UART_LCR_DLAB);