Factoring of jtag_examine_chain for maintainability:

- Reduce indent: invert logic test for unexpected TAP (no IDs).


git-svn-id: svn://svn.berlios.de/openocd/trunk@2081 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 35 insertions, 31 deletions

diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index ca4eb684..47d16fdf 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -1058,44 +1058,48 @@ static int jtag_examine_chain(void)
 
 		tap->idcode = idcode;
 
-		if (tap->expected_ids_cnt > 0) {
+		if (0 == tap->expected_ids_cnt)
+		{
+			// @todo Enable LOG_INFO to ask for reports about unknown TAP IDs.
+#if 0
+			LOG_INFO("Uknown JTAG TAP ID: 0x%08x", tap->idcode)
+			LOG_INFO("Please report the chip name and reported ID code to the openocd project");
+#endif
+			tap = jtag_tap_next_enabled(tap);
+			continue;
+		}
 			/* Loop over the expected identification codes and test for a match */
-			u8 ii;
-			for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
-				if( tap->idcode == tap->expected_ids[ii] ){
-					break;
-				}
+		u8 ii;
+		for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
+			if (tap->idcode == tap->expected_ids[ii]) {
+				break;
 			}
+		}
 
-			/* If none of the expected ids matched, log an error */
-			if (ii == tap->expected_ids_cnt) {
-				LOG_ERROR("JTAG tap: %s             got: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
+		/* If none of the expected ids matched, log an error */
+		if (ii == tap->expected_ids_cnt) {
+			LOG_ERROR("JTAG tap: %s             got: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
+					  tap->dotted_name,
+					  idcode,
+					  EXTRACT_MFG( tap->idcode ),
+					  EXTRACT_PART( tap->idcode ),
+					  EXTRACT_VER( tap->idcode ) );
+			for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
+				LOG_ERROR("JTAG tap: %s expected %hhu of %hhu: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
 						  tap->dotted_name,
-						  idcode,
-						  EXTRACT_MFG( tap->idcode ),
-						  EXTRACT_PART( tap->idcode ),
-						  EXTRACT_VER( tap->idcode ) );
-				for (ii = 0; ii < tap->expected_ids_cnt; ii++) {
-					LOG_ERROR("JTAG tap: %s expected %hhu of %hhu: 0x%08x (mfg: 0x%3.3x, part: 0x%4.4x, ver: 0x%1.1x)",
-							  tap->dotted_name,
-							  ii + 1,
-							  tap->expected_ids_cnt,
-							  tap->expected_ids[ii],
-							  EXTRACT_MFG( tap->expected_ids[ii] ),
-							  EXTRACT_PART( tap->expected_ids[ii] ),
-							  EXTRACT_VER( tap->expected_ids[ii] ) );
-				}
-
-				return ERROR_JTAG_INIT_FAILED;
-			} else {
-				LOG_INFO("JTAG Tap/device matched");
+						  ii + 1,
+						  tap->expected_ids_cnt,
+						  tap->expected_ids[ii],
+						  EXTRACT_MFG( tap->expected_ids[ii] ),
+						  EXTRACT_PART( tap->expected_ids[ii] ),
+						  EXTRACT_VER( tap->expected_ids[ii] ) );
 			}
+
+			return ERROR_JTAG_INIT_FAILED;
 		} else {
-#if 0
-			LOG_INFO("JTAG TAP ID: 0x%08x - Unknown - please report (A) chipname and (B) idcode to the openocd project",
-					 tap->idcode);
-#endif
+			LOG_INFO("JTAG Tap/device matched");
 		}
+		
 		tap = jtag_tap_next_enabled(tap);
 	}