[PATCH] ath11k: pci: avoid unsafe register access during shutdown

[Vasanthakumar Thiagarajan]

On 8/27/2025 7:07 PM, Balsam Chihi wrote:
> On Wed, Aug 20, 2025 at 12:29 PM Vasanthakumar Thiagarajan
> <vasanthakumar.thiagarajan at oss.qualcomm.com> wrote:
>>
>>
>>
>> On 8/20/2025 2:03 PM, Balsam Chihi wrote:
>>> On Wed, Aug 20, 2025 at 10:03 AM Vasanthakumar Thiagarajan
>>> <quic_vthiagar at quicinc.com> wrote:
>>>>
>>>>
>>>>
>>>> On 8/19/2025 2:20 PM, Balsam Chihi wrote:
>>>>> Hello,
>>>>> I Have a question on the same subject but not related to the bug.
>>>>> I have many identical PCIe WiFi cards on the system and I need to load
>>>>> a different board-2.bin on each one (1 adapter per frequency band).
>>>>
>>>> So you are using multiple pcie devices at the same time in a system
>>>> with ath11k? Wondering if you are using any private patches to address
>>>> QRTR instance id clash issue [1][2].
>>>>
>>>
>>> I'm not aware of any issue of QRTR instance id clash.
>>
> 
> To clarify: my setup is based on an NXP LS1088A SoC hosting QCN9074
> PCIe cards, using the ath11k_pci driver.
> The cards communicate directly over PCIe, and QRTR/QMI infrastructure
> is not used or enabled in my system.
> Therefore, QRTR instance ID clashes are not applicable in my context.
> Maybe QRTR is only applicable for SoC AHB based integrated WiFi IPs?
> And I did not use any of the patches [1] and [2].

QMI is applicable for PCIe WLAN cards as well. not sure how this works
for you without any of those patches.