[RFC PATCH 1/1] wifi: ath12k: avoid dynamic alloc when parsing wmi tb

[Nicolas Escande]

On Fri Feb 27, 2026 at 4:18 AM CET, Baochen Qiang wrote:
[...]
>> diff --git a/drivers/net/wireless/ath/ath12k/core.h b/drivers/net/wireless/ath/ath12k/core.h
>> index 990934ec92fc..378573a100e8 100644
>> --- a/drivers/net/wireless/ath/ath12k/core.h
>> +++ b/drivers/net/wireless/ath/ath12k/core.h
>> @@ -19,6 +19,7 @@
>>  #include <linux/average.h>
>>  #include <linux/of.h>
>>  #include <linux/rhashtable.h>
>> +#include <linux/percpu.h>
>>  #include "qmi.h"
>>  #include "htc.h"
>>  #include "wmi.h"
>> @@ -934,6 +935,7 @@ struct ath12k_base {
>>  	struct device *dev;
>>  	struct ath12k_qmi qmi;
>>  	struct ath12k_wmi_base wmi_ab;
>> +	void __percpu *wmi_tb;
>
> instead of allocating it per device, how about making it global and allocating once when
> loading driver. This way we may save some memory in case where more than one devices get
> probed?
Yes I can do that.

I'll wait a few days to see if there's more feedback from you guys and I post
something more polished then. And I'll probably post something for ATH11K, it
seems to have the same pattern.

Thx for the review