Re: [PATCH v3 2/4] remoteproc: add a rproc ops for performing address translation

From: Ohad Ben-Cohen
Date: Sat May 09 2015 - 03:58:26 EST

Hi Dave,

On Wed, Apr 1, 2015 at 10:37 PM, Dave Gerlach <d-gerlach@xxxxxx> wrote:
> From: Suman Anna <s-anna@xxxxxx>
> The rproc_da_to_va API is currently used to perform any device to
> kernel address translations to meet the different needs of the remoteproc
> core/drivers (eg: loading). The functionality is achieved within the
> remoteproc core, and is limited only for carveouts allocated within the
> core.
> A new rproc ops, da_to_va, is added to provide flexibility to platform
> implementations to perform the address translation themselves when the
> above conditions cannot be met by the implementations. The rproc_da_to_va()
> API is extended to invoke this ops if present, and fallback to regular
> processing if the platform implementation cannot provide the translation.
> This will allow any remoteproc implementations to translate addresses for
> dedicated memories like internal memories.

Can you please provide specific examples where this is needed and how
it is going to be used?

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at