On Mon, Nov 15, 2010 at 09:26:03PM +0900, Tomoya MORINAGA wrote:
quoted text
> +	spin_lock_irqsave(&port->lock, flags);
> +
> +	uart_update_timeout(port, termios->c_cflag, baud);
> +	rtn = pch_uart_hal_set_line(priv, baud, parity, bits, stb);
> +	if (rtn)

	You need a spin_unlock_irqrestore(&port->lock, flags); here.

quoted text
> +		return;
> +
> +	/* Don't rewrite B0 */
> +	if (tty_termios_baud_rate(termios))
> +		tty_termios_encode_baud_rate(termios, baud, baud);
> +
> +	spin_unlock_irqrestore(&port->lock, flags);
> +}

regards,
dan carpenter
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