Re: [PATCH] Thunderbolt 2 driver for recent Apple MacBooks

From: Greg KH
Date: Sun Sep 20 2015 - 13:24:39 EST


On Sun, Sep 20, 2015 at 06:11:25PM +0200, Knuth Posern wrote:
> Hi,
>
> This patch is submitted for upstream inclusion.
> This is a first for me, so I hope the format of this mail is convenient.
>
> Thanks to Greg and Andreas the attached patch (diff -up) fixes the bug:
> https://bugzilla.kernel.org/show_bug.cgi?id=100191
>
> The pci device ids listed in the tb driver are to restrictive, which
> prevents the driver from being loaded. We have had a similar issue
> with the new Mac mini.
>
> Changing the subvendor and subdevice to PCI_ANY_ID in
> drivers/thunderbolt/nhi.c
> the thunderbolt driver loads and binds to the pci device
> 07:00.0 System peripheral: Intel Corporation Device 156c
> which is the thunderbolt 2 controller.
>
>
> Cheers,
>
> Knuth.
>

> --- linux/drivers/thunderbolt/nhi.c.orig 2015-09-20 17:36:14.014964300 +0200
> +++ linux/drivers/thunderbolt/nhi.c 2015-09-13 09:58:18.000000000 +0200
> @@ -643,7 +643,7 @@ static struct pci_device_id nhi_ids[] =
> {
> .class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0,
> .vendor = PCI_VENDOR_ID_INTEL, .device = 0x156c,
> - .subvendor = 0x2222, .subdevice = 0x1111,
> + .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID,
> },
> { 0,}
> };
>
>


This looks good, but can you resend it in the format described in
Documentation/SubmittingPatches so that I can apply it (i.e. a cleaned
up changelog comment and a signed-off-by: line?)

thanks,

greg k-h
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