From: Perry Hung Date: Thu, 23 Oct 2014 03:31:34 +0000 (-0400) Subject: usb: serial: ftdi_sio: add "bricked" FTDI device PID X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=066ef018e21e253ee96eea26f1b8b1cde4a68ca2;p=linux-edison.git usb: serial: ftdi_sio: add "bricked" FTDI device PID commit 7f2719f0003da1ad13124ef00f48d7514c79e30d upstream. An official recent Windows driver from FTDI detects counterfeit devices and reprograms the internal EEPROM containing the USB PID to 0, effectively bricking the device. Add support for this VID/PID pair to correctly bind the driver on these devices. See: http://hackaday.com/2014/10/22/watch-that-windows-update-ftdi-drivers-are-killing-fake-chips/ Signed-off-by: Perry Hung Acked-by: Greg Kroah-Hartman Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 1cd759534f3..768c2b4722d 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -148,6 +148,7 @@ static struct ftdi_sio_quirk ftdi_8u2232c_quirk = { * /sys/bus/usb/ftdi_sio/new_id, then send patch/report! */ static struct usb_device_id id_table_combined [] = { + { USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 933ff1f8fa9..302ab9a71f0 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -30,6 +30,12 @@ /*** third-party PIDs (using FTDI_VID) ***/ +/* + * Certain versions of the official Windows FTDI driver reprogrammed + * counterfeit FTDI devices to PID 0. Support these devices anyway. + */ +#define FTDI_BRICK_PID 0x0000 + #define FTDI_LUMEL_PD12_PID 0x6002 /*