Re: [RFC PATCH 2/2] kselftest: devices: Add board file for google,spherion

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On Tue, Oct 24, 2023 at 05:18:00PM -0400, Nícolas F. R. A. Prado wrote:
> Add the list of devices expected to be probed from the USB and PCI
> busses on the google,spherion machine. The USB host controller at
> 11200000 is shared between two busses, for USB2 and USB3, so an
> additional match is used to select the USB2 bus.
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> ---
>  tools/testing/selftests/devices/boards/google,spherion | 3 +++
>  1 file changed, 3 insertions(+)
>  create mode 100644 tools/testing/selftests/devices/boards/google,spherion
> diff --git a/tools/testing/selftests/devices/boards/google,spherion b/tools/testing/selftests/devices/boards/google,spherion
> new file mode 100644
> index 000000000000..ba86ffcfe43c
> --- /dev/null
> +++ b/tools/testing/selftests/devices/boards/google,spherion
> @@ -0,0 +1,3 @@
> +usb camera 11200000,PRODUCT=.*/2/.* 1.4.1 1 0,1
> +usb bluetooth 11200000,PRODUCT=.*/2/.* 1.4.2 1 0,1
> +pci wifi 11230000 0.0/0.0

USB busses (and PCI ids) are not determinisitic and can, and will,
change values randomly.  So while it is nice to test "did the devices
show up properly", you can not do that based on bus ids at all, sorry.

Unless I'm reading these values wrong?  What are the fields
representing?  Perhaps a comment at the top to describe them so that we
know how to parse them?


greg k-h

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