Bluetooth: hci_sync: fix BR/EDR wakeup bug

Commit Message

[e-mail] Dec. 14, 2023, 9:22 a.m. UTC

From: Clancy Shang <[e-mail]>

when Bluetooth set the event mask and enter suspend, the controller
has hci mode change event comming,it cause controller can not enter
sleep mode. so it should to set the hci mode change event mask before
enter suspend

Signed-off-by: Clancy Shang <[e-mail]>
---
 net/bluetooth/hci_sync.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

Comments

[e-mail] Dec. 14, 2023, 9:56 a.m. UTC | #1

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Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=809975

---Test result---

Test Summary:
CheckPatch                    FAIL      0.96 seconds
GitLint                       PASS      0.33 seconds
SubjectPrefix                 PASS      0.13 seconds
BuildKernel                   PASS      28.56 seconds
CheckAllWarning               PASS      29.75 seconds
CheckSparse                   PASS      34.91 seconds
CheckSmatch                   PASS      98.52 seconds
BuildKernel32                 PASS      26.37 seconds
TestRunnerSetup               PASS      413.84 seconds
TestRunner_l2cap-tester       PASS      22.71 seconds
TestRunner_iso-tester         PASS      48.05 seconds
TestRunner_bnep-tester        PASS      6.95 seconds
TestRunner_mgmt-tester        PASS      160.64 seconds
TestRunner_rfcomm-tester      PASS      10.93 seconds
TestRunner_sco-tester         PASS      14.39 seconds
TestRunner_ioctl-tester       PASS      11.79 seconds
TestRunner_mesh-tester        PASS      9.62 seconds
TestRunner_smp-tester         PASS      9.78 seconds
TestRunner_userchan-tester    PASS      7.24 seconds
IncrementalBuild              PASS      25.36 seconds

Details
##############################
Test: CheckPatch - FAIL
Desc: Run checkpatch.pl script
Output:
Bluetooth: hci_sync: fix BR/EDR wakeup bug
WARNING: 'comming' may be misspelled - perhaps 'coming'?
#51: 
has hci mode change event comming,it cause controller can not enter
                          ^^^^^^^

total: 0 errors, 1 warnings, 0 checks, 18 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

/github/workspace/src/src/13492648.patch has style problems, please review.

NOTE: Ignored message types: UNKNOWN_COMMIT_ID

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.




---
Regards,
Linux Bluetooth

Patch

diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index a15ab0b874a9..a26a58cb2c38 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -3800,12 +3800,14 @@  static int hci_set_event_mask_sync(struct hci_dev *hdev)
 	if (lmp_bredr_capable(hdev)) {
 		events[4] |= 0x01; /* Flow Specification Complete */
 
-		/* Don't set Disconnect Complete when suspended as that
-		 * would wakeup the host when disconnecting due to
-		 * suspend.
+		/* Don't set Disconnect Complete and mode change when
+		 * suspended as that would wakeup the host when disconnecting
+		 * due to suspend.
 		 */
-		if (hdev->suspended)
+		if (hdev->suspended) {
 			events[0] &= 0xef;
+			events[2] &= 0xf7;
+		}
 	} else {
 		/* Use a different default for LE-only devices */
 		memset(events, 0, sizeof(events));