ftdi_set_interface correctness by Strontium <strntydog@gmail.com>

git-svn-id: svn://svn.berlios.de/openocd/trunk@1814 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index 27ad2ed22a00a10259f8363f341acc1bd90d5e46..930795be91877469bd7cc783d020c0e7a2bd9499 100644 (file)
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -1766,6 +1766,12 @@ static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int* try_more)
        if (ftdi_init(&ftdic) < 0)
                return ERROR_JTAG_INIT_FAILED;
 
+       if (ftdi_set_interface(&ftdic, INTERFACE_A) < 0)
+       {
+               LOG_ERROR("unable to select FT2232 channel A: %s", ftdic.error_str);
+               return ERROR_JTAG_INIT_FAILED;
+       }
+
        /* context, vendor id, product id */
        if (ftdi_usb_open_desc(&ftdic, vid, pid, ft2232_device_desc,
                                ft2232_serial) < 0)
@@ -1779,12 +1785,6 @@ static int ft2232_init_libftdi(u16 vid, u16 pid, int more, int* try_more)
                return ERROR_JTAG_INIT_FAILED;
        }
 
-       if (ftdi_set_interface(&ftdic, INTERFACE_A) < 0)
-       {
-               LOG_ERROR("unable to select FT2232 channel A: %s", ftdic.error_str);
-               return ERROR_JTAG_INIT_FAILED;
-       }
-
        if (ftdi_usb_reset(&ftdic) < 0)
        {
                LOG_ERROR("unable to reset ftdi device");