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| author | Øyvind Harboe <oyvind.harboe@zylin.com> | 2010-07-19 14:42:54 +0200 |
|---|---|---|
| committer | Øyvind Harboe <oyvind.harboe@zylin.com> | 2010-07-19 22:13:49 +0200 |
| commit | 441ea95f693316052f04486b927abb2b152ca547 (patch) | |
| tree | 3c00ba1683324e79e25253ba611bbea4ac7057ce /src/target/adi_v5_jtag.c | |
| parent | 4333840ee3d6d79299bf90b719a3c1628c688690 (diff) | |
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adi_jtag_ error propagation
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Diffstat (limited to 'src/target/adi_v5_jtag.c')
| -rw-r--r-- | src/target/adi_v5_jtag.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/target/adi_v5_jtag.c b/src/target/adi_v5_jtag.c index 185bd543..8731a1a0 100644 --- a/src/target/adi_v5_jtag.c +++ b/src/target/adi_v5_jtag.c @@ -211,8 +211,10 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap) /* Post CTRL/STAT read; discard any previous posted read value * but collect its ACK status. */ - adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC, + retval = adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC, DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat); + if (retval != ERROR_OK) + return retval; if ((retval = jtag_execute_queue()) != ERROR_OK) return retval; @@ -246,8 +248,10 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap) return ERROR_JTAG_DEVICE_ERROR; } - adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC, + retval = adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC, DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat); + if (retval != ERROR_OK) + return retval; if ((retval = dap_run(dap)) != ERROR_OK) return retval; dap->ack = dap->ack & 0x7; @@ -292,12 +296,16 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap) LOG_ERROR("JTAG-DP STICKY ERROR"); /* Clear Sticky Error Bits */ - adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC, + retval = adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC, DP_CTRL_STAT, DPAP_WRITE, dap->dp_ctrl_stat | SSTICKYORUN | SSTICKYERR, NULL); - adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC, + if (retval != ERROR_OK) + return retval; + retval = adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC, DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat); + if (retval != ERROR_OK) + return retval; if ((retval = dap_run(dap)) != ERROR_OK) return retval; |