diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/jtag/core.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/jtag/core.c b/src/jtag/core.c index 44aed30a..04b0fc66 100644 --- a/src/jtag/core.c +++ b/src/jtag/core.c @@ -90,11 +90,6 @@ static int jtag_srst = -1; * List all TAPs that have been created. */ static struct jtag_tap *__jtag_all_taps; -/** - * The number of TAPs in the __jtag_all_taps list, used to track the - * assigned chain position to new TAPs - */ -static unsigned jtag_num_taps; static enum reset_types jtag_reset_config = RESET_NONE; tap_state_t cmd_queue_cur_state = TAP_RESET; @@ -193,7 +188,13 @@ struct jtag_tap *jtag_all_taps(void) unsigned jtag_tap_count(void) { - return jtag_num_taps; + struct jtag_tap *t = jtag_all_taps(); + unsigned n = 0; + while (t) { + n++; + t = t->next_tap; + } + return n; } unsigned jtag_tap_count_enabled(void) @@ -211,12 +212,15 @@ unsigned jtag_tap_count_enabled(void) /** Append a new TAP to the chain of all taps. */ void jtag_tap_add(struct jtag_tap *t) { - t->abs_chain_position = jtag_num_taps++; + unsigned jtag_num_taps = 0; struct jtag_tap **tap = &__jtag_all_taps; - while (*tap != NULL) + while (*tap != NULL) { + jtag_num_taps++; tap = &(*tap)->next_tap; + } *tap = t; + t->abs_chain_position = jtag_num_taps; } /* returns a pointer to the n-th device in the scan chain */ |