option: Add support for Quectel EP06

[Johan Hovold <johan@kernel.org>]

On Tue, Jan 30, 2018 at 03:06:38PM +0100, Kristian Evensen wrote:
> The Quectel EP06 is a Cat. 6 LTE modem, and the interface mapping is as
> follows:
> 
> 0: Diag
> 1: NMEA
> 2: AT
> 3: Modem
> 
> Interface 4 is QMI and interface 5 is ADB, so they are blacklisted.
> 
> Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
> ---
>  drivers/usb/serial/option.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
> index b6320e3be429..2d53e14ff93b 100644
> --- a/drivers/usb/serial/option.c
> +++ b/drivers/usb/serial/option.c
> @@ -241,6 +241,7 @@ static void option_instat_callback(struct urb *urb);
>  #define QUECTEL_PRODUCT_EC21			0x0121
>  #define QUECTEL_PRODUCT_EC25			0x0125
>  #define QUECTEL_PRODUCT_BG96			0x0296
> +#define QUECTEL_PRODUCT_EP06			0x0306
>  
>  #define CMOTECH_VENDOR_ID			0x16d8
>  #define CMOTECH_PRODUCT_6001			0x6001
> @@ -686,6 +687,10 @@ static const struct option_blacklist_info yuga_clm920_nc5_blacklist = {
>  	.reserved = BIT(1) | BIT(4),
>  };
>  
> +static const struct option_blacklist_info quectel_ep06_blacklist = {
> +	.reserved = BIT(4) | BIT(5),
> +};

This will probably have to do for now, but we already have another
blacklist struct with the same content which we could rename and
reuse.

Can you please just fix up the commit-summary prefix (use "USB: serial:
option: ...") and resend as a v2?

Thanks,
Johan
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