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Re: [PATCH 2/6] ath9k: add a quirk to set use_msi automatically

From Kalle Valo <kvalo@codeaurora.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/6] ath9k: add a quirk to set use_msi automatically
Date 2017-09-26 16:20 +0200
Message-ID <utYSm-5Rt-33@gated-at.bofh.it> (permalink)
References <utRQR-150-1@gated-at.bofh.it> <utRQS-150-31@gated-at.bofh.it> <utRQS-150-33@gated-at.bofh.it> <utStB-1zD-43@gated-at.bofh.it> <utYIF-5O1-7@gated-at.bofh.it>
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Christoph Hellwig <hch@infradead.org> writes:

> On Tue, Sep 26, 2017 at 03:26:51PM +0800, AceLan Kao wrote:
>> Ath9k is an old driver for old chips, and they work fine with legacy INTx.
>> But some new platforms are using it, so I think we should list those
>> new platforms which blocks INTx in the driver.
>
> And unless they are broken and need a quirk they should work even better
> with MSI if the device advertises MSI support in the PCI capabilities.

Daniel Drake (CCed) already found problems with the MSI implementation:

https://lkml.kernel.org/r/20170925041153.26574-1-drake@endlessm.com

-- 
Kalle Valo

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Thread

[PATCH 1/6] ath9k: add MSI support and use_msi parameter AceLan Kao <acelan.kao@canonical.com> - 2017-09-26 08:50 +0200
  [PATCH 6/6] ath9k: set use_msi=1 on Dell Inspiron 14-3473 AceLan Kao <acelan.kao@canonical.com> - 2017-09-26 08:50 +0200
  [PATCH 4/6] ath9k: set use_msi=1 on Dell Inspiron 3472 AceLan Kao <acelan.kao@canonical.com> - 2017-09-26 08:50 +0200
  [PATCH 2/6] ath9k: add a quirk to set use_msi automatically AceLan Kao <acelan.kao@canonical.com> - 2017-09-26 08:50 +0200
    Re: [PATCH 2/6] ath9k: add a quirk to set use_msi automatically Christoph Hellwig <hch@infradead.org> - 2017-09-26 08:50 +0200
      Re: [PATCH 2/6] ath9k: add a quirk to set use_msi automatically AceLan Kao <acelan.kao@canonical.com> - 2017-09-26 09:30 +0200
        Re: [PATCH 2/6] ath9k: add a quirk to set use_msi automatically Christoph Hellwig <hch@infradead.org> - 2017-09-26 16:10 +0200
          Re: [PATCH 2/6] ath9k: add a quirk to set use_msi automatically Kalle Valo <kvalo@codeaurora.org> - 2017-09-26 16:20 +0200
            Re: [PATCH 2/6] ath9k: add a quirk to set use_msi automatically AceLan Kao <acelan.kao@canonical.com> - 2017-09-28 10:30 +0200
              Re: [PATCH 2/6] ath9k: add a quirk to set use_msi automatically Daniel Drake <drake@endlessm.com> - 2017-10-02 06:30 +0200
  [PATCH 3/6] ath9k: set use_msi=1 on Dell Vostro 3262 AceLan Kao <acelan.kao@canonical.com> - 2017-09-26 08:50 +0200
  [PATCH 5/6] ath9k: set use_msi=1 on Dell Vostro 15-3572 AceLan Kao <acelan.kao@canonical.com> - 2017-09-26 08:50 +0200

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