+ Leif
On Wed, Feb 28, 2018 at 2:57 AM, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> Commit 55a9c95d70ab ("Bluetooth: btusb: Use DMI matching for QCA
> reset_resume quirking"), added the Lenovo Yoga 920 to the
> btusb_needs_reset_resume_table.
>
> Testing has shown that this is a false positive and the problems where
> caused by issues with the initial fix: commit fd865802c66b ("Bluetooth:
> btusb: fix QCA Rome suspend/resume"), which has already been reverted.
>
> So the QCA Rome BT in the Yoga 920 does not need a reset-resume quirk at
> all and this commit removes it from the btusb_needs_reset_resume_table.
>
> Note that after this commit the btusb_needs_reset_resume_table is now
> empty. It is kept around on purpose, since this whole series of commits
> started for a reason and there are actually broken platforms around,
> which need to be added to it.
This is hilarious.
I think we need to go back to the author(s) of commit fd865802c66b and
find proper details about said "numerous reported instances" of
problems... Anyway:
Reviewed-by: Brian Norris <briannorris@xxxxxxxxxxxx>
> BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1514836
> Fixes: 55a9c95d70ab ("Bluetooth: btusb: Use DMI matching for QCA ...")
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Brian Norris <briannorris@xxxxxxxxxxxx>
> Cc: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
> Tested-by: Kevin Fenzi <kevin@xxxxxxxxx>
> Suggested-by: Brian Norris <briannorris@xxxxxxxxxxxx>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> drivers/bluetooth/btusb.c | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index a4b62f0a93cc..418550eb1522 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -386,13 +386,6 @@ static const struct usb_device_id blacklist_table[] = {
> * the module itself. So we use a DMI list to match known broken platforms.
> */
> static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
> - {
> - /* Lenovo Yoga 920 (QCA Rome device 0cf3:e300) */
> - .matches = {
> - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 920"),
> - },
> - },
> {}
> };
>
> --
> 2.14.3
>
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