X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fcmsis_dap_usb_bulk.c;fp=src%2Fjtag%2Fdrivers%2Fcmsis_dap_usb_bulk.c;h=17e490f05a4468fec75cef020bf807d8f33a2509;hb=66391d28373fef090999b253b193d19dbdc11217;hp=aaab5804d17c3d81fd62e712c2581605c2589543;hpb=fd75e9e542700e40f11d79532d19e311cf437de1;p=openocd.git

diff --git a/src/jtag/drivers/cmsis_dap_usb_bulk.c b/src/jtag/drivers/cmsis_dap_usb_bulk.c
index aaab5804d1..17e490f05a 100644
--- a/src/jtag/drivers/cmsis_dap_usb_bulk.c
+++ b/src/jtag/drivers/cmsis_dap_usb_bulk.c
@@ -634,6 +634,19 @@ static void cmsis_dap_usb_free(struct cmsis_dap *dap)
 	dap->response = NULL;
 }
 
+static void cmsis_dap_usb_cancel_all(struct cmsis_dap *dap)
+{
+	for (unsigned int i = 0; i < MAX_PENDING_REQUESTS; i++) {
+		if (dap->bdata->command_transfers[i].status == CMSIS_DAP_TRANSFER_PENDING)
+			libusb_cancel_transfer(dap->bdata->command_transfers[i].transfer);
+		if (dap->bdata->response_transfers[i].status == CMSIS_DAP_TRANSFER_PENDING)
+			libusb_cancel_transfer(dap->bdata->response_transfers[i].transfer);
+
+		dap->bdata->command_transfers[i].status = CMSIS_DAP_TRANSFER_IDLE;
+		dap->bdata->response_transfers[i].status = CMSIS_DAP_TRANSFER_IDLE;
+	}
+}
+
 COMMAND_HANDLER(cmsis_dap_handle_usb_interface_command)
 {
 	if (CMD_ARGC == 1)
@@ -663,4 +676,5 @@ const struct cmsis_dap_backend cmsis_dap_usb_backend = {
 	.write = cmsis_dap_usb_write,
 	.packet_buffer_alloc = cmsis_dap_usb_alloc,
 	.packet_buffer_free = cmsis_dap_usb_free,
+	.cancel_all = cmsis_dap_usb_cancel_all,
 };