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From: Brian Norris <briannorris@chromium.org>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Mathias Nyman <mathias.nyman@intel.com>,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH 1/2] usb: ehci-pci: Set PROBE_PREFER_ASYNCHRONOUS
Date: Fri, 28 Oct 2022 18:44:26 -0700	[thread overview]
Message-ID: <Y1yFejAhNogYVpIW@google.com> (raw)
In-Reply-To: <Y1x+KmXhzikbEm8U@rowland.harvard.edu>

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

      reply	other threads:[~2022-10-29  1:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-28 21:19 [PATCH 1/2] usb: ehci-pci: Set PROBE_PREFER_ASYNCHRONOUS Brian Norris
2022-10-28 21:19 ` [PATCH 2/2] usb: xhci-pci: " Brian Norris
2022-10-29  1:13 ` [PATCH 1/2] usb: ehci-pci: " Alan Stern
2022-10-29  1:44   ` Brian Norris [this message]

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