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SubjectRe: [PATCH 1/2] usb: ehci-pci: Set PROBE_PREFER_ASYNCHRONOUS
On Fri, Oct 28, 2022 at 09:13:14PM -0400, Alan Stern wrote:
> However, I'm curious to know why this patch makes ehci-pci use
> PROBE_PREFER_ASYNCHRONOUS even when CONFIG_PM isn't set, whereas the 2/2
> patch makes xhci-pci use PROBE_PREFER_ASYNCHRONOUS only when CONFIG_PM
> is set.

That's definitely a bug in patch 2. This has nothing (or, little; probe
order can technically affect the PM suspend/resume order) to do with
CONFIG_PM, except that the .pm hooks tend to sit nearby, and repeated
driver patching makes the author's eyes glaze over sometimes...

Thanks. v2 coming.

Brian

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