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JTAG: "jtag newtap ..." cleanup 

Get rid of needless variable, improve and shrink diagnostic.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
David Brownell 2009-10-26 23:06:22 -07:00
parent 4a26390eec
commit 0b476c9f4c
1 changed files with 2 additions and 7 deletions
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9
src/jtag/tcl.c
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@ -197,7 +197,6 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
jim_wide w;
int x;
int e;
int reqbits;
Jim_Nvp *n;
char *cp;
const Jim_Nvp opts[] = {
@ -252,9 +251,6 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
pTap->ir_capture_mask = 0x03;
pTap->ir_capture_value = 0x01;
/* clear flags for "required options" them as we find them */
reqbits = 1;
while (goi->argc) {
e = Jim_GetOpt_Nvp(goi, opts, &n);
if (e != JIM_OK) {
@ -317,7 +313,6 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
pTap->dotted_name,
(int) w);
pTap->ir_length = w;
reqbits = 0;
break;
case NTAP_OPT_IRMASK:
if (is_bad_irval(pTap->ir_length, w)) {
@ -355,14 +350,14 @@ static int jim_newtap_cmd(Jim_GetOptInfo *goi)
pTap->enabled = !pTap->disabled_after_reset;
/* Did all the required option bits get cleared? */
if (0 == reqbits)
if (pTap->ir_length != 0)
{
jtag_tap_init(pTap);
return ERROR_OK;
}
Jim_SetResult_sprintf(goi->interp,
"newtap: %s missing required parameters",
"newtap: %s missing IR length",
pTap->dotted_name);
jtag_tap_free(pTap);
return JIM_ERR;