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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: linux-pci <linux-pci@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Mick Lorain <micklorain@protonmail.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: [PATCH] PCI: Avoid broken MSI on SB600 USB devices
Date: Wed, 23 Mar 2022 14:23:25 +0200	[thread overview]
Message-ID: <CAHp75VcQV8dCxhtsRRiy-UYcVDjzn3mPe3Hx-f7JS8CTxrQKqw@mail.gmail.com> (raw)
In-Reply-To: <20220323111131.GA1272756@bhelgaas>

On Wed, Mar 23, 2022 at 1:11 PM Bjorn Helgaas <helgaas@kernel.org> wrote:
> On Wed, Mar 23, 2022 at 10:03:38AM +0200, Andy Shevchenko wrote:
> > On Wed, Mar 23, 2022 at 4:26 AM Bjorn Helgaas <helgaas@kernel.org> wrote:
> > > On Mon, Mar 21, 2022 at 01:34:46PM -0500, Bjorn Helgaas wrote:
> > > > From: Bjorn Helgaas <bhelgaas@google.com>
> > > >
> > > > Some ATI SB600 USB adapters advertise MSI, but if INTx is disabled by
> > > > setting PCI_COMMAND_INTX_DISABLE,
> >
> > > > MSI doesn't work either.
> >
> > I think this is not correct.
>
> I'd like to make it correct.  What would make this better?

MSI with the quirk (not in this patch) is working and has been tested.
That said, the part that I commented on is confusing and states the
opposite. I would change the patch if you ask me how to improve it,

>  I was
> trying to say the same as your original commit log:
>
>   ATI PCIe-USB adapter advertises MSI, but it doesn't work if INTx is
>   disabled.

I'm not a native speaker, maybe I was wrong in formulating that MSI
enabling needs a quirk.

-- 
With Best Regards,
Andy Shevchenko

  reply	other threads:[~2022-03-23 12:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-21 18:34 [PATCH] PCI: Avoid broken MSI on SB600 USB devices Bjorn Helgaas
2022-03-23  2:26 ` Bjorn Helgaas
2022-03-23  8:03   ` Andy Shevchenko
2022-03-23 11:11     ` Bjorn Helgaas
2022-03-23 12:23       ` Andy Shevchenko [this message]
2022-03-23 12:43     ` David Woodhouse
2022-03-23 13:23       ` Bjorn Helgaas
2022-03-23 13:43       ` Andy Shevchenko

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