On Mon, Feb 16, 2015 at 03:57:59PM +0800, Peter Hung wrote:
> It's should compared with UART_MSR_DCD, not UART_DCD.
> also we clean-up some non-used define to avoid impropriety use.
> 
> Signed-off-by: Peter Hung <hpeter+linux_ker...@gmail.com>
> ---
>  drivers/usb/serial/f81232.c | 16 +---------------
>  1 file changed, 1 insertion(+), 15 deletions(-)
> 
> diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
> index e70ec62..c87a3eb 100644
> --- a/drivers/usb/serial/f81232.c
> +++ b/drivers/usb/serial/f81232.c
> @@ -47,20 +47,6 @@ MODULE_DEVICE_TABLE(usb, id_table);
>  #define MODEM_CONTROL_REGISTER     (0x04 + SERIAL_BASE_ADDRESS)
>  #define MODEM_STATUS_REGISTER      (0x06 + SERIAL_BASE_ADDRESS)
>  
> -#define CONTROL_DTR                  0x01
> -#define CONTROL_RTS                  0x02
> -
> -#define UART_STATE                   0x08
> -#define UART_STATE_TRANSIENT_MASK    0x74
> -#define UART_DCD                     0x01
> -#define UART_DSR                     0x02
> -#define UART_BREAK_ERROR             0x04
> -#define UART_RING                    0x08
> -#define UART_FRAME_ERROR             0x10
> -#define UART_PARITY_ERROR            0x20
> -#define UART_OVERRUN_ERROR           0x40
> -#define UART_CTS                     0x80
> -
>  struct f81232_private {
>       spinlock_t lock;
>       u8 line_control;
> @@ -511,7 +497,7 @@ static void f81232_dtr_rts(struct usb_serial_port *port, 
> int on)
>  static int f81232_carrier_raised(struct usb_serial_port *port)
>  {
>       struct f81232_private *priv = usb_get_serial_port_data(port);
> -     if (priv->modem_status & UART_DCD)
> +     if (priv->modem_status & UART_MSR_DCD)

Could you fix the separately before removing the unused defines and also
add the missing locking?

>               return 1;
>       return 0;
>  }

Thanks,
Johan
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