Re: Simple UART driver help and TTY questions

[Jiri Slaby]

conOn 08/05/2008 06:33 PM, Ira Snyder wrote:
> static void tiny_config_port(struct uart_port *port, int flags)
> {
> 	FUNC_ENTER();

        if (flags & UART_CONFIG_TYPE)
                port->type = PORT_16550A;

> }

According to the straces, you get -EIO from ioctl and read which most likely 
means TTY_IO_ERROR bit set due to tiny_port->type = PORT_UNKNOWN (i.e. 0). Try 
the above.
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