linux-kernel - Re: [PATCH v3 06/13] remoteproc: introduce rproc_add

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Date:   Wed, 9 May 2018 17:56:50 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Loic Pallardy <loic.pallardy@...com>
Cc:     ohad@...ery.com, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, arnaud.pouliquen@...com,
        benjamin.gaignard@...aro.org
Subject: Re: [PATCH v3 06/13] remoteproc: introduce rproc_add_carveout
 function

On Thu 01 Mar 08:23 PST 2018, Loic Pallardy wrote:

> This patch introduces a new API to allow platform driver to register
> platform specific carveout regions.
> 
> Signed-off-by: Loic Pallardy <loic.pallardy@...com>

Acked-by: Bjorn Andersson <bjorn.andersson@...aro.org>

Regards,
Bjorn

> ---
>  drivers/remoteproc/remoteproc_core.c | 14 ++++++++++++++
>  include/linux/remoteproc.h           |  2 ++
>  2 files changed, 16 insertions(+)
> 
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index 4c92b7d..91aa22b 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -758,6 +758,20 @@ static int rproc_handle_carveout(struct rproc *rproc,
>  }
>  
>  /**
> + * rproc_add_carveout() - register an allocated carveout region
> + * @rproc: rproc handle
> + * @mem: memory entry to register
> + *
> + * This function registers specified memory entry in @rproc carveouts list.
> + * Specified carveout should have been allocated before registering.
> + */
> +void rproc_add_carveout(struct rproc *rproc, struct rproc_mem_entry *mem)
> +{
> +	list_add_tail(&mem->node, &rproc->carveouts);
> +}
> +EXPORT_SYMBOL(rproc_add_carveout);
> +
> +/**
>   * rproc_mem_entry_init() - allocate and initialize rproc_mem_entry struct
>   * @dev: pointer on device struct
>   * @va: virtual address
> diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
> index 59b60f1..4aa30bd 100644
> --- a/include/linux/remoteproc.h
> +++ b/include/linux/remoteproc.h
> @@ -536,6 +536,8 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
>  int rproc_del(struct rproc *rproc);
>  void rproc_free(struct rproc *rproc);
>  
> +void rproc_add_carveout(struct rproc *rproc, struct rproc_mem_entry *mem);
> +
>  struct rproc_mem_entry *rproc_mem_entry_init(struct device *dev,
>  		void *va, dma_addr_t dma, int len, u32 da,
>  		int (*release)(struct rproc *, struct rproc_mem_entry *),
> -- 
> 1.9.1
>