On Mon, Apr 03, 2006 at 08:24:10PM +0900, Hyok S. Choi wrote:
The number of comments is getting smaller. Only two remaining.
> + help
> + Say Y here if you want to install DCC driver as a normal serial port
> + /dev/ttyS0 (major 4, minor 64). Otherwise, it appears as /dev/ttyJ0
> + (major 4, minor 128) and can co-exist with other UARTs, such as
> + 8250/16C550 compatibles.
Help doesn't match code.
> +static void dcc_shutdown(struct uart_port *port)
> +{
> +#ifdef DCC_IRQ_USED /* real IRQ used */
> + free_irq(port->irq, port);
> +#else
> + spin_lock(&port->lock);
> + cancel_rearming_delayed_work(&dcc_poll_task);
cancel_rearming_delayed_work() might sleep due to it calling
flush_workqueue. Therefore, you must not be holding a spinlock.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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