[PATCH 5/5] wifi: ath11k: thermal: don't try to register multiple times

[Baochen Qiang]

On 2/22/2024 1:15 AM, Jeff Johnson wrote:
> On 2/20/2024 6:47 PM, Baochen Qiang wrote:
>> From: Kalle Valo <quic_kvalo at quicinc.com>
>>
>> Every time the firmware boots we call ath11k_core_qmi_firmware_ready() which
>> ends up calling ath11k_thermal_register(). So we try to register thermal
>> devices multiple times. And when we power off the firmware during
>> suspend/hibernation (implemented in the next patch) we get a warning in resume:
>>
>> hwmon hwmon4: PM: parent phy0 should not be sleeping
>>
>> Workaround this similarly like ath11k_mac_register() does by testing
>> ATH11K_FLAG_REGISTERED.
>>
>> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30
>>
>> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>
> 
> you need to add your own S-O-B
Oh, sorry for missing that.

Hi Kalle, I see you have put this series in pending branch. I am 
wondering if I need to send a v2 to add my S-O-B tag, or you have any 
other plan?

> 
>> ---
>>   drivers/net/wireless/ath/ath11k/thermal.c | 5 ++++-
>>   1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/wireless/ath/ath11k/thermal.c b/drivers/net/wireless/ath/ath11k/thermal.c
>> index c29b11ab5bfa..41e7499f075f 100644
>> --- a/drivers/net/wireless/ath/ath11k/thermal.c
>> +++ b/drivers/net/wireless/ath/ath11k/thermal.c
>> @@ -1,7 +1,7 @@
>>   // SPDX-License-Identifier: BSD-3-Clause-Clear
>>   /*
>>    * Copyright (c) 2020 The Linux Foundation. All rights reserved.
>> - * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
>> + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
>>    */
>>   
>>   #include <linux/device.h>
>> @@ -163,6 +163,9 @@ int ath11k_thermal_register(struct ath11k_base *ab)
>>   	struct ath11k_pdev *pdev;
>>   	int i, ret;
>>   
>> +	if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
>> +		return 0;
>> +
>>   	for (i = 0; i < ab->num_radios; i++) {
>>   		pdev = &ab->pdevs[i];
>>   		ar = pdev->ar;
>