Re: [PATCH] Bluetooth: btusb: Only check needs_reset_resume DMI table for QCA rome chipsets

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Hi Hans,

> Jeremy Cline correctly points out in rhbz#1514836 that a device where the
> QCA rome chipset needs the USB_QUIRK_RESET_RESUME quirk, may also ship
> with a different wifi/bt chipset in some configurations.
> 
> If that is the case then we are needlessly penalizing those other chipsets
> with a reset-resume quirk, typically causing 0.4W extra power use because
> this disables runtime-pm.
> 
> This commit moves the DMI table check to a btusb_check_needs_reset_resume()
> helper (so that we can easily also call it for other chipsets) and calls
> this new helper only for QCA_ROME chipsets for now.
> 
> BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1514836
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Jeremy Cline <jcline@xxxxxxxxxx>
> Suggested-by: Jeremy Cline <jcline@xxxxxxxxxx>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> drivers/bluetooth/btusb.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)

patch has been applied to bluetooth-stable tree.

Regards

Marcel




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