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| author | Hans de Goede <hdegoede@redhat.com> | 2018-04-27 11:26:43 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2018-04-30 10:50:45 +0200 |
| commit | fc54910280eb38bde923cdf0898e74687d8e6989 (patch) | |
| tree | a161edc028f3ee47df4430bd316aeea23af2c1eb /Documentation/DMA-API.txt | |
| parent | 544a591668813583021474fa5c7ff4942244d654 (diff) | |
| download | lwn-fc54910280eb38bde923cdf0898e74687d8e6989.tar.gz lwn-fc54910280eb38bde923cdf0898e74687d8e6989.zip | |
Bluetooth: btusb: Only check needs_reset_resume DMI table for QCA rome chipsets
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@vger.kernel.org
Cc: Jeremy Cline <jcline@redhat.com>
Suggested-by: Jeremy Cline <jcline@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'Documentation/DMA-API.txt')
0 files changed, 0 insertions, 0 deletions