parport: fix parport_toggling_time regression

[openocd.git] / src / jtag / drivers / parport.c

diff --git a/src/jtag/drivers/parport.c b/src/jtag/drivers/parport.c
index 793b28f3b8361857732c8719acd1bf531d9d3c83..7dd842e0fcfe1fbdce578eeb64292281116593db 100644 (file)
--- a/src/jtag/drivers/parport.c
+++ b/src/jtag/drivers/parport.c
@@ -452,8 +452,13 @@ COMMAND_HANDLER(parport_handle_parport_toggling_time_command)
 
                parport_toggling_time_ns = ns;
                retval = jtag_get_speed(&wait_states);
-               if (retval != ERROR_OK)
-                       return retval;
+               if (retval != ERROR_OK) {
+                       /* if jtag_get_speed fails then the clock_mode
+                        * has not been configured, this happens if parport_toggling_time is
+                        * called before the adapter speed is set */
+                       LOG_INFO("no parport speed set - defaulting to zero wait states");
+                       wait_states = 0;
+               }
        }
 
        command_print(CMD_CTX, "parport toggling time = %" PRIu32 " ns",