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From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: andreas.noever@gmail.com, michael.jamet@intel.com,
	YehezkelShB@gmail.com, sanju.mehta@amd.com,
	mario.limonciello@amd.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] thunderbolt: Resume PCIe bridges after switch is found on AMD USB4 controller
Date: Mon, 5 Sep 2022 18:36:30 +0300	[thread overview]
Message-ID: <YxYXfhCCaj6tGAx7@black.fi.intel.com> (raw)
In-Reply-To: <CAAd53p5hjmPgPNifo-QV9KU4DFbvPnrYV-YD2b6cSXNN=5GLWQ@mail.gmail.com>

On Mon, Sep 05, 2022 at 11:24:26PM +0800, Kai-Heng Feng wrote:
> > can you check if that is happening? It should show up in the dmesg when
> > CONFIG_PCI_DEBUG=y but I don't see it in yours.
> 
> That's because there isn't any child device yet, so the function bails early:
> if (!dev->subordinate || list_empty(&dev->subordinate->devices))

Ah, of course I forgot that this is hotplug case so there are no need
for the delays :/

  reply	other threads:[~2022-09-05 15:36 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-05  6:56 [PATCH] thunderbolt: Resume PCIe bridges after switch is found on AMD USB4 controller Kai-Heng Feng
2022-09-05  7:07 ` Mika Westerberg
2022-09-05  7:26   ` Kai-Heng Feng
2022-09-05  7:50     ` Mika Westerberg
2022-09-05 13:18       ` Mika Westerberg
2022-09-05 15:24         ` Kai-Heng Feng
2022-09-05 15:36           ` Mika Westerberg [this message]
2022-09-05 15:21       ` Kai-Heng Feng
2022-09-05 15:34         ` Mika Westerberg
2022-09-06 12:57           ` Kai-Heng Feng
2022-09-06 13:37             ` Mika Westerberg
2022-09-06 14:29               ` Kai-Heng Feng
2022-09-06 14:59                 ` Mika Westerberg
2022-09-06 15:22                   ` Mika Westerberg
2022-09-05  7:29 ` Greg KH
2022-09-07 16:30   ` Limonciello, Mario
2022-09-08 14:02     ` Kai-Heng Feng
2022-09-08 15:22       ` Limonciello, Mario
2022-09-12  7:35         ` Kai-Heng Feng

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