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authorzwelch <zwelch@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2009-06-07 05:24:20 +0000
committerzwelch <zwelch@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2009-06-07 05:24:20 +0000
commitb550f70100794d8dfa91d2760324041828836f82 (patch)
treed23502d923fa1888f81d97a08f510a19b9f56e6a /src
parent63c4848d11e6487cc584fccd82471700d2d718a8 (diff)
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Factoring of jtag_examine_chain for maintainability:
- Limit scope: move tap and bit_count variables to point of first use. git-svn-id: svn://svn.berlios.de/openocd/trunk@2090 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src')
-rw-r--r--src/jtag/jtag.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index d94bebe1..96565d94 100644
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -1064,9 +1064,7 @@ static bool jtag_examine_chain_match_tap(const struct jtag_tap_s *tap)
*/
static int jtag_examine_chain(void)
{
- jtag_tap_t *tap;
u8 idcode_buffer[JTAG_MAX_CHAIN_SIZE * 4];
- int bit_count;
int device_count = 0;
jtag_examine_chain_execute(idcode_buffer, JTAG_MAX_CHAIN_SIZE);
@@ -1075,14 +1073,14 @@ static int jtag_examine_chain(void)
return ERROR_JTAG_INIT_FAILED;
/* point at the 1st tap */
- tap = jtag_tap_next_enabled(NULL);
+ jtag_tap_t *tap = jtag_tap_next_enabled(NULL);
if (tap == NULL)
{
LOG_ERROR("JTAG: No taps enabled?");
return ERROR_JTAG_INIT_FAILED;
}
- for (bit_count = 0; bit_count < (JTAG_MAX_CHAIN_SIZE * 32) - 31;)
+ for (unsigned bit_count = 0; bit_count < (JTAG_MAX_CHAIN_SIZE * 32) - 31;)
{
u32 idcode = buf_get_u32(idcode_buffer, bit_count, 32);
if ((idcode & 1) == 0)