linux-kernel - Re: [PATCH v2 1/4] optee: rename rpc_arg_count to rpc_param

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Date:   Mon, 11 Apr 2022 17:58:15 +0530
From:   Sumit Garg <sumit.garg@...aro.org>
To:     Jens Wiklander <jens.wiklander@...aro.org>
Cc:     linux-kernel@...r.kernel.org, op-tee@...ts.trustedfirmware.org
Subject: Re: [PATCH v2 1/4] optee: rename rpc_arg_count to rpc_param_count

On Mon, 21 Mar 2022 at 18:33, Jens Wiklander <jens.wiklander@...aro.org> wrote:
>
> Renames the field rpc_arg_count in struct optee to rpc_param_count.
> Function parameter names and local variables are also renamed to match.
>
> Signed-off-by: Jens Wiklander <jens.wiklander@...aro.org>
> ---
>  drivers/tee/optee/call.c          |  6 +++---
>  drivers/tee/optee/ffa_abi.c       | 10 +++++-----
>  drivers/tee/optee/optee_private.h |  4 ++--
>  3 files changed, 10 insertions(+), 10 deletions(-)
>

Reviewed-by: Sumit Garg <sumit.garg@...aro.org>

-Sumit

> diff --git a/drivers/tee/optee/call.c b/drivers/tee/optee/call.c
> index bd49ec934060..a9a237d20c61 100644
> --- a/drivers/tee/optee/call.c
> +++ b/drivers/tee/optee/call.c
> @@ -113,12 +113,12 @@ struct tee_shm *optee_get_msg_arg(struct tee_context *ctx, size_t num_params,
>         struct optee_msg_arg *ma;
>
>         /*
> -        * rpc_arg_count is set to the number of allocated parameters in
> +        * rpc_param_count is set to the number of allocated parameters in
>          * the RPC argument struct if a second MSG arg struct is expected.
>          * The second arg struct will then be used for RPC.
>          */
> -       if (optee->rpc_arg_count)
> -               sz += OPTEE_MSG_GET_ARG_SIZE(optee->rpc_arg_count);
> +       if (optee->rpc_param_count)
> +               sz += OPTEE_MSG_GET_ARG_SIZE(optee->rpc_param_count);
>
>         shm = tee_shm_alloc_priv_buf(ctx, sz);
>         if (IS_ERR(shm))
> diff --git a/drivers/tee/optee/ffa_abi.c b/drivers/tee/optee/ffa_abi.c
> index a5eb4ef46971..7686f7020616 100644
> --- a/drivers/tee/optee/ffa_abi.c
> +++ b/drivers/tee/optee/ffa_abi.c
> @@ -678,7 +678,7 @@ static bool optee_ffa_api_is_compatbile(struct ffa_device *ffa_dev,
>
>  static bool optee_ffa_exchange_caps(struct ffa_device *ffa_dev,
>                                     const struct ffa_dev_ops *ops,
> -                                   unsigned int *rpc_arg_count)
> +                                   unsigned int *rpc_param_count)
>  {
>         struct ffa_send_direct_data data = { OPTEE_FFA_EXCHANGE_CAPABILITIES };
>         int rc;
> @@ -693,7 +693,7 @@ static bool optee_ffa_exchange_caps(struct ffa_device *ffa_dev,
>                 return false;
>         }
>
> -       *rpc_arg_count = (u8)data.data1;
> +       *rpc_param_count = (u8)data.data1;
>
>         return true;
>  }
> @@ -772,7 +772,7 @@ static void optee_ffa_remove(struct ffa_device *ffa_dev)
>  static int optee_ffa_probe(struct ffa_device *ffa_dev)
>  {
>         const struct ffa_dev_ops *ffa_ops;
> -       unsigned int rpc_arg_count;
> +       unsigned int rpc_param_count;
>         struct tee_shm_pool *pool;
>         struct tee_device *teedev;
>         struct tee_context *ctx;
> @@ -788,7 +788,7 @@ static int optee_ffa_probe(struct ffa_device *ffa_dev)
>         if (!optee_ffa_api_is_compatbile(ffa_dev, ffa_ops))
>                 return -EINVAL;
>
> -       if (!optee_ffa_exchange_caps(ffa_dev, ffa_ops, &rpc_arg_count))
> +       if (!optee_ffa_exchange_caps(ffa_dev, ffa_ops, &rpc_param_count))
>                 return -EINVAL;
>
>         optee = kzalloc(sizeof(*optee), GFP_KERNEL);
> @@ -805,7 +805,7 @@ static int optee_ffa_probe(struct ffa_device *ffa_dev)
>         optee->ops = &optee_ffa_ops;
>         optee->ffa.ffa_dev = ffa_dev;
>         optee->ffa.ffa_ops = ffa_ops;
> -       optee->rpc_arg_count = rpc_arg_count;
> +       optee->rpc_param_count = rpc_param_count;
>
>         teedev = tee_device_alloc(&optee_ffa_clnt_desc, NULL, optee->pool,
>                                   optee);
> diff --git a/drivers/tee/optee/optee_private.h b/drivers/tee/optee/optee_private.h
> index e77765c78878..e80c5d9b62ec 100644
> --- a/drivers/tee/optee/optee_private.h
> +++ b/drivers/tee/optee/optee_private.h
> @@ -143,7 +143,7 @@ struct optee_ops {
>   * @notif:             notification synchronization struct
>   * @supp:              supplicant synchronization struct for RPC to supplicant
>   * @pool:              shared memory pool
> - * @rpc_arg_count:     If > 0 number of RPC parameters to make room for
> + * @rpc_param_count:   If > 0 number of RPC parameters to make room for
>   * @scan_bus_done      flag if device registation was already done.
>   * @scan_bus_wq                workqueue to scan optee bus and register optee drivers
>   * @scan_bus_work      workq to scan optee bus and register optee drivers
> @@ -161,7 +161,7 @@ struct optee {
>         struct optee_notif notif;
>         struct optee_supp supp;
>         struct tee_shm_pool *pool;
> -       unsigned int rpc_arg_count;
> +       unsigned int rpc_param_count;
>         bool   scan_bus_done;
>         struct workqueue_struct *scan_bus_wq;
>         struct work_struct scan_bus_work;
> --
> 2.31.1
>