Re: [PATCH 0/7] ath11k: support one MSI vector

[Baochen Qiang <bqiang@codeaurora.org>]

On 2021-11-19 20:31, Kalle Valo wrote:
> Baochen Qiang <bqiang@codeaurora.org> writes:
> 
>> On 2021-11-15 18:30, Kalle Valo wrote:
>>> Baochen Qiang <bqiang@codeaurora.org> writes:
>>> 
>>>> This patch set is to support one MSI vector for QCA6390.
>>>> 
>>>> Depends-On:
>>>>   1. ath11k: Fix crash caused by uninitialized TX ring
>>>>   
>>>> https://patchwork.kernel.org/project/linux-wireless/patch/20211026011605.58615-1-quic_bqiang@quicinc.com/
>>>> 
>>>> Baochen Qiang (1):
>>>>   ath11k: Set IRQ affinity to CPU0 in case of one MSI vector
>>>> 
>>>> Carl Huang (6):
>>>>   ath11k: get msi_data again after request_irq is called
>>>>   ath11k: add CE and ext IRQ flag to indicate irq_handler
>>>>   ath11k: use ATH11K_PCI_IRQ_DP_OFFSET for DP IRQ
>>>>   ath11k: refactor multiple MSI vector implementation
>>>>   ath11k: supports one MSI vector
>>>>   ath11k: do not restore ASPM in case of single MSI vector
>>> 
>>> I assume this is v2 of Carl's patchset:
>>> 
>>> https://patchwork.kernel.org/project/linux-wireless/cover/20201223030225.2345-1-cjhuang@codeaurora.org/
>>> 
>>> Can you provide a changelog? No need to resend because of that, just 
>>> a
>>> reply to this thread enough.
>> 
>> Hi Kalle, this is the changelog:
>> 
>> 1. changes by Kalle based on Carl's v1:
>> 
>> * add a log message for MSI vector count
>> * add a log message when disabling ASPM
>> * patch 1: fix error handling in ath11k_pci_probe()
>> * patch 1: simplify ath11k_pci_config_msi_data()
>> * patch 2: convert booleans to set_bit() & co for atomic access
>> * patch 2:__ath11k_pci_ext_irq_disable(): fix compilation
>> * patch 4: bool vectors_32_capability to set_bit() for atomic access
>> * patch 4: ath11k_mhi_get_msi(): don't use ? operator
>> * improve commits logs a bit
>> 
>> 2. changes by Baochen based on Kalle's version:
>> 
>> * add a new patch: "ath11k: Set IRQ affinity to CPU0 in case of one
>> MSI vector"
>> * address Jeff's comments on "ath11k: do not restore ASPM in case of
>> single MSI vector":
>> 	change debug info from "disabling PCI ASPM ..." to "leaving
>> PCI ASPM disabled ..."
>> * change error handling in patch "ath11k: get msi_data again after
>> request_irq is called"
>> * address Vasanth's comments on "ath11k: refactor multiple msi vector
>> implementation"
> 
> Thanks. I shortly tested this patchset (commit 5d9dd5b3db33 in
> master-pending) on a NUC x86 box and Dell XPS 13 9310 laptop using
> QCA6390 hw2.0, both with 32 MSI vectors (VT-d enabled in BIOS) and 1 
> MSI
> vector (VT-d disabled in BIOS). No issues found, and also suspend works
> fine for me. So I think we have solved all the stability issues.

Great to hear that. But one more thing Kalle, have you met the issue 
which is originally reported here 
https://jira-dc.qualcomm.com/jira/browse/LUW-3 ?

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