Messages in this thread | | | Date | Wed, 13 Dec 2017 09:14:29 +0100 | From | Johan Hovold <> | Subject | Re: [PATCH AUTOSEL for 4.14 19/60] Bluetooth: avoid silent hci_bcm ACPI PM regression |
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On Wed, Dec 13, 2017 at 01:55:14AM +0000, alexander.levin@verizon.com wrote: > From: Johan Hovold <johan@kernel.org> > > [ Upstream commit 4294625e029028854596865be401b9c5c1f906ef ] > > The hci_bcm platform-device hack which was used to implement > power management for ACPI devices is being replaced by a > serial-device-bus implementation. > > Unfortunately, when the corresponding change to the ACPI code lands (a > change that will stop enumerating and registering the serial-device-node > child as a platform device) PM will break silently unless serdev > TTY-port controller support has been enabled. Specifically, hciattach > (btattach) would still succeed, but power management would no longer > work.
This one is not needed in stable, which does not have the above mentioned ACPI change [ e361d1f85855 ("ACPI / scan: Fix enumeration for special UART devices") ].
The Fixes and stable-CC tags were left out on purpose.
Johan
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