On 02/13/2017 10:29 AM, Johan Hovold wrote:
> [+CC: linux-usb]
>
> Always make sure to CC linux-usb for USB patches.
Got it
> On Fri, Feb 10, 2017 at 05:16:12PM +0100, Marek Vasut wrote:
>> This development kit has an FT4232 on it with a custom USB VID/PID.
>> The FT4232 provides four UARTs, but only two are used. The UART 0
>> is used by the FlashPro5 programmer and UART 2 is connected to the
>> SmartFusion2 CortexM3 SoC UART port.
>
> Don't you want to use the "jtag" quirk for this one then to prevent the
> driver from binding to interface 0? Or do you still need this interface
> to be accessible as a tty device?
I will check that next week as I don't have access to the HW this week.
>> Note that the USB VID is registered to Actel according to Linux USB
>> VID database, but that was acquired by Microsemi.
>>
>> Signed-off-by: Marek Vasut <marex@xxxxxxx>
>> Cc: stable <stable@xxxxxxxxxxxxxxx>
>> Cc: Johan Hovold <johan@xxxxxxxxxx>
>> ---
>> drivers/usb/serial/ftdi_sio.c | 1 +
>> drivers/usb/serial/ftdi_sio_ids.h | 10 ++++++++++
>> 2 files changed, 11 insertions(+)
>>
>> diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
>> index c98cf10be5af..14f0fb34f655 100644
>> --- a/drivers/usb/serial/ftdi_sio.c
>> +++ b/drivers/usb/serial/ftdi_sio.c
>> @@ -873,6 +873,7 @@ static const struct usb_device_id id_table_combined[] = {
>> { USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID,
>> USB_CLASS_VENDOR_SPEC,
>> USB_SUBCLASS_VENDOR_SPEC, 0x00) },
>> + { USB_DEVICE(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID) },
>> { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
>> { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
>> .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
>> diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
>> index 168ccb03ce08..a9d538d18344 100644
>> --- a/drivers/usb/serial/ftdi_sio_ids.h
>> +++ b/drivers/usb/serial/ftdi_sio_ids.h
>> @@ -627,6 +627,16 @@
>> #define MICROCHIP_USB_BOARD_PID 0x000A /* CDC RS-232 Emulation Demo */
>>
>> /*
>> + * Microsemi/Arrow SF2PLUS Dev Kit
>> + *
>> + * This board has an FT4232 on it which provides four UART ports.
>> + * UART 0 is used by the FlashPro5 programmer, UART 2 is connected
>> + * to the UART of an CortexM3 SoC-FPGA on the board.
>> + */
>> +#define ACTEL_VID 0x1514
>> +#define MICROSEMI_ARROW_SF2PLUS_BOARD_PID 0x2008
>> +
>
> Please place this before the Olimex section to try to maintain some
> order based on VID.
So ordering of the file is based on the VIDs , got it and done.
>> +/*
>> * RATOC REX-USB60F
>> */
>> #define RATOC_VENDOR_ID 0x0584
>
> Thanks,
> Johan
>
--
Best regards,
Marek Vasut
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