Messages in this thread | | | Date | Thu, 25 May 2017 10:10:20 +0300 | From | Mika Westerberg <> | Subject | Re: [PATCH 20/24] thunderbolt: Do not touch the hardware if the NHI is gone on resume |
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On Wed, May 24, 2017 at 04:43:10PM +0200, Lukas Wunner wrote: > 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))
Sure.
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