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Groups > linux.kernel > #1649680
| From | Lukas Wunner <lukas@wunner.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 20/24] thunderbolt: Do not touch the hardware if the NHI is gone on resume |
| Date | 2017-05-24 16:50 +0200 |
| Message-ID | <tKFLQ-3z2-11@gated-at.bofh.it> (permalink) |
| References | <tIuKR-3YK-5@gated-at.bofh.it> <tIuUy-44c-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, May 18, 2017 at 05:39:10PM +0300, Mika Westerberg wrote:
> @@ -655,6 +659,16 @@ static int nhi_resume_noirq(struct device *dev)
> {
> struct pci_dev *pdev = to_pci_dev(dev);
> struct tb *tb = pci_get_drvdata(pdev);
> + u32 vid;
> +
> + /*
> + * Check that the device is still there. It may be that the user
> + * unplugged last device which causes the host controller to go
> + * away on PCs.
> + */
> + pci_read_config_dword(pdev, PCI_VENDOR_ID, &vid);
> + if (vid == ~0)
> + tb->nhi->going_away = true;
if (!pci_device_is_present(pdev))
Thanks,
Lukas
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[PATCH 20/24] thunderbolt: Do not touch the hardware if the NHI is gone on resume Mika Westerberg <mika.westerberg@linux.intel.com> - 2017-05-18 16:50 +0200
Re: [PATCH 20/24] thunderbolt: Do not touch the hardware if the NHI is gone on resume Lukas Wunner <lukas@wunner.de> - 2017-05-24 16:50 +0200
Re: [PATCH 20/24] thunderbolt: Do not touch the hardware if the NHI is gone on resume Mika Westerberg <mika.westerberg@linux.intel.com> - 2017-05-25 09:20 +0200
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