On 19/12/2019 13:53, Kalle Valo wrote:
Bryan O'Donoghue <[email protected]> writes:

ath10k_pci_dump_memory_reg() will try to access memory of type
ATH10K_MEM_REGION_TYPE_IOREG however, if a hardware restart is in progress
this can crash a system.

Individual ioread32() time has been observed to jump from 15-20 ticks to >
80k ticks followed by a secure-watchdog bite and a system reset.

Work around this corner case by only issuing the read transaction when the
driver state is ATH10K_STATE_ON.

Fixes: 219cc084c6706 ("ath10k: add memory dump support QCA9984")
Signed-off-by: Bryan O'Donoghue <[email protected]>

What ath10k hardware and firmware did you test this on? I can add that
to the commit log.


HW = QCA9988
FW = ??

Not quite sure how to find the firmware version TBH

_______________________________________________
ath10k mailing list
[email protected]
http://lists.infradead.org/mailman/listinfo/ath10k

Reply via email to