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authorPerry Hung <iperry@gmail.com>2014-10-22 23:31:34 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-14 09:00:03 -0800
commit260ecdc3284b6efa73c02300dde4ee4137012c75 (patch)
tree08806077593d95f895dacb9386d27c72c61d873d /drivers
parent8b7d1ccbf94736caa47ef48601bd45eb4cb73488 (diff)
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 <iperry@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/serial/ftdi_sio.c1
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h6
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index dafc40d010b2..a523adad6380 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -145,6 +145,7 @@ static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
* /sys/bus/usb-serial/drivers/ftdi_sio/new_id and send a patch or report.
*/
static const 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 b68084c11432..6786b705ccf6 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
/*