Re: [PATCH v2] platform/x86: p2sb: Defer P2SB device scan when P2SB device has func 0

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On Mon, Mar 04, 2024 at 02:59:57PM +0100, Hans de Goede wrote:
> On 3/4/24 1:13 PM, Shinichiro Kawasaki wrote:
> > On Mar 04, 2024 / 12:04, Hans de Goede wrote:

...

> > Thanks for sharing the insights.
> 
> Looking closer at the actual unhiding I don't think accessing func 0
> is the problem. The unhiding is always done on function 0 even when
> retreiving the bar for function 2 (the SPI function).
> 
> So taking that into account, as mentioned in the bugzilla, I think
> the problem is probing the other functions (1, 3-7) by calling
> pci_scan_single_device() on them.

So, why we can't simply call pci_dev_present() on the function in a loop?

Will be even simpler fix, no?

-- 
With Best Regards,
Andy Shevchenko






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