Calling ahbap_debugport_init() is wrong here because the actions
performed by it might lead to jtagdp_transaction_endcheck errors thus
leading to infinite recursion.
The removed code is not needed now because target polling should lead
to reexamination automatically, and both cortex_a and cortex_m call
ahbap_debugport_init() as part of their target examine handler.
This was reported as a real life issue on IRC by Weaselweb with
Cortex-A target. Quitte reports similar results in some circumstances
(adapter_khz too high) with LPC17xx.
Change-Id: I7148022f76a1272b5262d251f2e807ffb1543547
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2697
Tested-by: jenkins
LOG_DEBUG("jtag-dp: CTRL/STAT error, 0x%" PRIx32, ctrlstat);
/* Check power to debug regions */
if ((ctrlstat & 0xf0000000) != 0xf0000000) {
- retval = ahbap_debugport_init(dap);
- if (retval != ERROR_OK)
- return retval;
+ LOG_ERROR("Debug regions are unpowered, an unexpected reset might have happened");
+ return ERROR_JTAG_DEVICE_ERROR;
} else {
uint32_t mem_ap_csw, mem_ap_tar;
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