[PATCH 08/50] wifi: ath12k: add dbring.h

[Kalle Valo]

Jeff Johnson <quic_jjohnson at quicinc.com> writes:

> On 8/12/2022 9:09 AM, Kalle Valo wrote:
>
>> From: Kalle Valo <quic_kvalo at quicinc.com>
>>
>> (Patches split into one patch per file for easier review, but the final
>> commit will be one big patch. See the cover letter for more info.)
>>
>> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>
>> ---
>>   drivers/net/wireless/ath/ath12k/dbring.h | 80 ++++++++++++++++++++++++++++++++
>>   1 file changed, 80 insertions(+)
>>
>> diff --git a/drivers/net/wireless/ath/ath12k/dbring.h
>> b/drivers/net/wireless/ath/ath12k/dbring.h
>> new file mode 100644
>> index 000000000000..2be2d8def3f0
>> --- /dev/null
>> +++ b/drivers/net/wireless/ath/ath12k/dbring.h
>> @@ -0,0 +1,80 @@
>> +/* SPDX-License-Identifier: BSD-3-Clause-Clear */
>> +/*
>> + * Copyright (c) 2019-2021 The Linux Foundation. All rights reserved.
>> + * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
>> + */
>> +
>> +#ifndef ATH12K_DBRING_H
>> +#define ATH12K_DBRING_H
>> +
>> +#include <linux/types.h>
>> +#include <linux/idr.h>
>> +#include <linux/spinlock.h>
>> +#include "dp.h"
>> +
>> +struct ath12k_dbring_element {
>> +	dma_addr_t paddr;
>> +	u8 payload[0];
>
> should just be payload[]
>
> <https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays>

Praneesh fixed this:

c568d8bc26de ath12k: convert payload[0] to payload[], use ab variable and fix __ath12k_dbg() signature

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