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

[Jeff Johnson]

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>