RE: [PATCH v2 2/3] USB: serial: cp210x: Added comments to CRTSCTS flag code.

From: David Laight
Date: Tue May 03 2016 - 05:46:13 EST


From: Konstantin Shkolnyy
> Sent: 30 April 2016 03:22
> Replaced magic numbers used in the CRTSCTS flag code with symbolic names
> from the chip specification.
>
> Signed-off-by: Konstantin Shkolnyy <konstantin.shkolnyy@xxxxxxxxx>
> ---
> Changes in v2:
> Improved CRTSCTS fix based on feedback. Dropped get_termios error handling.
>
> drivers/usb/serial/cp210x.c | 93 +++++++++++++++++++++++++++++++++------------
> 1 file changed, 69 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
...
> +/* cp210x_flow_ctl::ulControlHandshake */
> +#define SERIAL_DTR_MASK 0x00000003
> +#define SERIAL_CTS_HANDSHAKE 0x00000008
> +#define SERIAL_DSR_HANDSHAKE 0x00000010
> +#define SERIAL_DCD_HANDSHAKE 0x00000020
> +#define SERIAL_DSR_SENSITIVITY 0x00000040
...

I'd have thought the names ought to start CP210X_

David