UPSTREAM: Bluetooth: btusb: Release RF resource on BT shutdown
Issue description: Intel 7265 shares the same RF with Wifi and BT.
In the shutdown scenario turn off BT, followed by turn WiFi off
and on causing error in RF calibration in WiFi Module
Solution: before shutdown BT ensure any RF activity to clear by
HCI reset command.
Reference Logs:
ERR kernel: [ 386.193284] iwlwifi 0000:01:00.0: Failed to run INIT calibrations: -5
ERR kernel: [ 386.193298] iwlwifi 0000:01:00.0: Failed to run INIT ucode: -5
ERR kernel: [ 386.193309] iwlwifi 0000:01:00.0: Failed to start RT ucode: -5
BUG=b:79233533
TEST=follow repro steps and verify that the issue is not reproducible on Eve
Signed-off-by: Amit K Bag <amit.k.bag@intel.com>
Singed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
(cherry picked from commit 1313bccf00f6dfef99724d58e4416281b71e7189)
Change-Id: I49910d6bc13b4a859819857113f1e4cc5da356b7
Reviewed-on: https://chromium-review.googlesource.com/1162876
Commit-Ready: Shyh-In Hwang <josephsih@chromium.org>
Tested-by: Miao-chen Chou <mcchou@chromium.org>
Reviewed-by: Shyh-In Hwang <josephsih@chromium.org>
(cherry picked from commit 13b2bc76b8c3087db065d5f07468e8c2a8f731f6)
Reviewed-on: https://chromium-review.googlesource.com/1185921
Reviewed-by: Kirtika Ruchandani <kirtika@chromium.org>
Commit-Queue: Kirtika Ruchandani <kirtika@chromium.org>
Tested-by: Kirtika Ruchandani <kirtika@chromium.org>
Trybot-Ready: Kirtika Ruchandani <kirtika@chromium.org>
1 file changed
