Re: [PATCH v4 12/21] serial: support for 16550A serial ports on LP-8x4x

One Thousand Gnomes
2014-04-16T18:38:26Z

> + baud = uart_get_baud_rate(port, termios, old,
> + port->uartclk / 16 / 0xffff,
> + port->uartclk / 16);
> + switch (baud) {
> + case 2400:
> + len |= 1;
> + break;
> + case 4800:
> + len |= 2;
> + break;
> + case 19200:
> + len |= 4;
> + break;
> + case 38400:
> + len |= 5;
> + break;
> + case 57600:
> + len |= 6;
> + break;
> + case 115200:
> + len |= 7;
> + break;
> + case 9600:
> + default:
> + len |= 3;
> + break;
> + };

Some explanation of this would be useful - eg why is it set to 7 for
115200 baud and 3 for 115201 baud ?