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Revert "mpsse: Always perform a general reset of the MPSSE in mpsse_open()" 

This reverts commit 452248af1d. This change
breaks all non-high speed adapters. The patch was not tested and did not get
any review.

Change-Id: Ib38fd242a202fd7c5a8711d9f857cd8f586df44e
Signed-off-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-on: http://openocd.zylin.com/973
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Freddie Chopin 2012-11-09 23:18:23 +01:00 committed by Spencer Oliver
parent aa8e480ec4
commit 08ddb19fd3
1 changed files with 0 additions and 14 deletions
src/jtag/drivers
mpsse.c

14
src/jtag/drivers/mpsse.c
View File

@ -55,7 +55,6 @@
#define FTDI_DEVICE_OUT_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE) #define FTDI_DEVICE_OUT_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE)
#define FTDI_DEVICE_IN_REQTYPE (0x80 | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE) #define FTDI_DEVICE_IN_REQTYPE (0x80 | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE)
#define BITMODE_RESET 0x00
#define BITMODE_MPSSE 0x02 #define BITMODE_MPSSE 0x02
#define SIO_RESET_REQUEST 0x00 #define SIO_RESET_REQUEST 0x00
@ -313,19 +312,6 @@ struct mpsse_ctx *mpsse_open(const uint16_t *vid, const uint16_t *pid, const cha
goto error; goto error;
} }
err = libusb_control_transfer(ctx->usb_dev,
FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_BITMODE_REQUEST,
0x0b | (BITMODE_RESET << 8),
ctx->index,
NULL,
0,
ctx->usb_write_timeout);
if (err < 0) {
LOG_ERROR("unable to reset bitmode: %d", err);
goto error;
}
err = libusb_control_transfer(ctx->usb_dev, err = libusb_control_transfer(ctx->usb_dev,
FTDI_DEVICE_OUT_REQTYPE, FTDI_DEVICE_OUT_REQTYPE,
SIO_SET_BITMODE_REQUEST, SIO_SET_BITMODE_REQUEST,