[PATCH ath-next 1/3] wifi: ath12k: switch to name-based reserved memory lookup

[Aaradhana Sahu]

On 6/30/2026 6:00 AM, Jeff Johnson wrote:
> On 6/10/2026 8:33 PM, Aaradhana Sahu wrote:
>> The driver currently retrieves reserved memory regions using index-based
>> lookup, which depends on the ordering of reserved-memory nodes in the
>> device tree. Since different platforms define these regions in varying
>> orders and combinations, this approach is not compatible and can result
>> in incorrect memory region access.
>>
>> Switch to looking up memory regions by name instead of index so it does
>> not depend on node order.
>>
>> Use names already defined in qcom,ipq5332-wifi.yaml, so there are no
>> backward compatibility issues.
>>
>> Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.6-01275-QCAHKSWPL_SILICONZ-1
>>
>> Signed-off-by: Aaradhana Sahu <aaradhana.sahu at oss.qualcomm.com>
>> ---
>>  drivers/net/wireless/ath/ath12k/ahb.c  | 18 ++++++------
>>  drivers/net/wireless/ath/ath12k/core.c | 25 -----------------
>>  drivers/net/wireless/ath/ath12k/core.h |  2 --
>>  drivers/net/wireless/ath/ath12k/qmi.c  | 38 +++++++++++++-------------
>>  4 files changed, 29 insertions(+), 54 deletions(-)
>>
>> diff --git a/drivers/net/wireless/ath/ath12k/ahb.c b/drivers/net/wireless/ath/ath12k/ahb.c
>> index 30733a244454..695b605a92fd 100644
>> --- a/drivers/net/wireless/ath/ath12k/ahb.c
>> +++ b/drivers/net/wireless/ath/ath12k/ahb.c
>> @@ -15,6 +15,7 @@
>>  #include "ahb.h"
>>  #include "debug.h"
>>  #include "hif.h"
>> +#include <linux/of_reserved_mem.h>
> 
> system includes should come before the local includes. I'd fix this in my tree
> except there is another issue in the 3/3 patch so I'll want a v2 for the
> entire series.
> 

Sure, I will fix this and the 3/3 patch review comments and send the next version
of the series.