netdev - Re: [PATCH] PCI: Reprogram bridge prefetch registers on resume

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Message-ID: <3b37e4fd-c793-bd52-7d70-950f846a7d5a@kernel.org>
Date:   Thu, 6 Sep 2018 23:40:56 -0700
From:   Sinan Kaya <okaya@...nel.org>
To:     Daniel Drake <drake@...lessm.com>, bhelgaas@...gle.com
Cc:     linux-pci@...r.kernel.org, linux@...lessm.com,
        nouveau@...ts.freedesktop.org, linux-pm@...r.kernel.org,
        peter@...ensteyn.nl, kherbst@...hat.com,
        andriy.shevchenko@...ux.intel.com, rafael.j.wysocki@...el.com,
        keith.busch@...el.com, mika.westerberg@...ux.intel.com,
        jonathan.derrick@...el.com, kugel@...kbox.org, davem@...emloft.net,
        hkallweit1@...il.com, netdev@...r.kernel.org, nic_swsd@...ltek.com
Subject: Re: [PATCH] PCI: Reprogram bridge prefetch registers on resume

On 9/6/2018 10:36 PM, Daniel Drake wrote:
> +	if (pci_dev->class == PCI_CLASS_BRIDGE_PCI << 8)
> +		pci_setup_bridge_mmio_pref(pci_dev);

This should probably some kind of a quirk rather than default
for the listed card as it sounds like you are dealing with
broken hardware.