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Re: [PATCH] ath10k: reset chip after supported check

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On 3/25/19 5:14 AM, Michał Kazior wrote:
On Sat, 23 Mar 2019 at 08:20, Arend Van Spriel
<arend.vanspriel@xxxxxxxxxxxx> wrote:

* resending with corrected email address from Kalle
--------------------------------------------------------------------
+ Michał

Thanks!


On 3/22/2019 8:25 PM, Christian Lamparter wrote:
  > On Friday, March 22, 2019 7:58:40 PM CET Tomislav Požega wrote:
  >> When chip reset is done before the chip is checked if supported
  >> there will be crash. Previous behaviour caused bootloops on
  >> Archer C7 v1 units, this patch allows clean device boot without
  >> excluding ath10k driver.

Can you elaborate more a bit? What kind of crashes are you seeing?
What does the bootloop look like? Do you have uart connected to
diagnose?

Didn't C7 v1 have the old QCA9880 hw v1 which isn't really supported
by ath10k? I recall the v1 chip was really buggy and required
hammering registers sometimes to get things working.

The crash is related to the v1 chip.  Is there a good way to detect
that this is the chip in question and only apply this work-around
for the problem chip?

Thanks,
Ben


--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com




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