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authorØyvind Harboe <oyvind.harboe@zylin.com>2010-07-20 08:23:59 +0200
committerØyvind Harboe <oyvind.harboe@zylin.com>2010-07-20 08:24:53 +0200
commite0525cd182aee35549f13e786143ccc0a252aeab (patch)
tree51f6cb173c4299e2d95f757396c8a0f0918162fa /src/target/arm920t.c
parenta9761c90931101d280b9443126db017f96d92e3d (diff)
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arm_jtag_scann error propagation fixes
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Diffstat (limited to 'src/target/arm920t.c')
-rw-r--r--src/target/arm920t.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/target/arm920t.c b/src/target/arm920t.c
index c5064c11..90f548f3 100644
--- a/src/target/arm920t.c
+++ b/src/target/arm920t.c
@@ -93,7 +93,9 @@ static int arm920t_read_cp15_physical(struct target *target,
jtag_info = &arm920t->arm7_9_common.jtag_info;
- arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
+ retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
@@ -146,7 +148,9 @@ static int arm920t_write_cp15_physical(struct target *target,
buf_set_u32(value_buf, 0, 32, value);
- arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
+ retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
if (retval != ERROR_OK)
return retval;
@@ -197,7 +201,9 @@ static int arm920t_execute_cp15(struct target *target, uint32_t cp15_opcode,
jtag_info = &arm920t->arm7_9_common.jtag_info;
- arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
+ retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
+ if (retval != ERROR_OK)
+ return retval;
retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
if (retval != ERROR_OK)
return retval;