On Mon, 5 Feb 2007 02:33:47 -0500
"Wu, Bryan" <[email protected]> wrote:
>
> Hi everyone,
>
> This is the serial driver supports Blackfin processors. It is designed
> for the serial core framework.
>
> Signed-off-by: Bryan Wu <[email protected]>
> +
> +#ifdef CONFIG_SERIAL_BFIN_PIO
> +static void local_put_char(struct bfin_serial_port *uart, char ch)
> +{
> + unsigned short status;
> + int flags = 0;
> +
> + local_irq_save(flags);
> +
> + do {
> + status = UART_GET_LSR(uart);
> + } while (!(status & THRE));
> +
> + UART_PUT_CHAR(uart, ch);
> +
> + local_irq_restore(flags);
Should this not be using the spinlock like the other stuff rather than
local_irq_* ??
> +}
> +
> +static void
> +bfin_serial_rx_chars(struct bfin_serial_port *uart)
(trivial) Formatting - function name on same line as type
+ local_irq_save(flags);
Likewise - why this not locks ?
Other than the locking bits looks ok, although has rather a lot of ifdefs
-
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