* [PATCH v1] Bluetooth: btusb: Improve stability for QCA devices
@ 2022-02-11 7:56 Zijun Hu
2022-02-11 9:04 ` [v1] " bluez.test.bot
0 siblings, 1 reply; 2+ messages in thread
From: Zijun Hu @ 2022-02-11 7:56 UTC (permalink / raw)
To: marcel, johan.hedberg, luiz.dentz
Cc: linux-kernel, linux-bluetooth, linux-arm-msm, c-hbandi, hemantg,
rjliao, zijuhu, tjiang, Zijun Hu
From: Zijun Hu <quic_zijuhu@quicinc.com>
Controller will reset after NVM is downloaded for QCA
device, so wait a moment for reset Done then go ahead
to improve stability.
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
---
drivers/bluetooth/btusb.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index e03dfbd92fcc..0ec2f17fe1d3 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2994,6 +2994,7 @@ static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
#define QCA_PATCH_UPDATED 0x80
#define QCA_DFU_TIMEOUT 3000
#define QCA_FLAG_MULTI_NVM 0x80
+#define QCA_BT_RESET_WAIT_MS 100
#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200
#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211
@@ -3320,6 +3321,10 @@ static int btusb_setup_qca(struct hci_dev *hdev)
err = btusb_setup_qca_load_nvm(hdev, &ver, info);
if (err < 0)
return err;
+ /* Controller will reset after NVM is downloaded, so wait a moment
+ * for reset Done, it will prevent controller from potential crash.
+ */
+ msleep(QCA_BT_RESET_WAIT_MS);
}
return 0;
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
^ permalink raw reply related [flat|nested] 2+ messages in thread
* RE: [v1] Bluetooth: btusb: Improve stability for QCA devices
2022-02-11 7:56 [PATCH v1] Bluetooth: btusb: Improve stability for QCA devices Zijun Hu
@ 2022-02-11 9:04 ` bluez.test.bot
0 siblings, 0 replies; 2+ messages in thread
From: bluez.test.bot @ 2022-02-11 9:04 UTC (permalink / raw)
To: linux-bluetooth, zijuhu
[-- Attachment #1: Type: text/plain, Size: 1097 bytes --]
This is automated email and please do not reply to this email!
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=613386
---Test result---
Test Summary:
CheckPatch PASS 1.57 seconds
GitLint PASS 1.01 seconds
SubjectPrefix PASS 0.88 seconds
BuildKernel PASS 30.36 seconds
BuildKernel32 PASS 26.71 seconds
Incremental Build with patchesPASS 36.33 seconds
TestRunner: Setup PASS 470.65 seconds
TestRunner: l2cap-tester PASS 13.51 seconds
TestRunner: bnep-tester PASS 6.11 seconds
TestRunner: mgmt-tester PASS 104.12 seconds
TestRunner: rfcomm-tester PASS 7.75 seconds
TestRunner: sco-tester PASS 7.73 seconds
TestRunner: smp-tester PASS 7.61 seconds
TestRunner: userchan-tester PASS 6.49 seconds
---
Regards,
Linux Bluetooth
^ permalink raw reply [flat|nested] 2+ messages in thread
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