Re: [PATCH v3 2/2] remoteproc: add support to handle internal memories

From: Ohad Ben-Cohen
Date: Fri Feb 13 2015 - 00:20:44 EST

On Thu, Feb 12, 2015 at 10:54 PM, Suman Anna <s-anna@xxxxxx> wrote:
> My original motivation was that it would only need to be added on
> firmwares requiring support for loading into internal memories,
> otherwise, these are something left to be managed by the software
> running on the remote processor completely, and MPU will not even touch
> them.

Sure. But even if you guys will use this interface correctly, this
patch essentially exposes ioremap to user space, which is something we
generally want to avoid.

> So, let me know if this is a NAK. If so, we have two options - one to go
> the sram node model where each of them have to be defined separately,
> and have a specific property in the rproc nodes to be able to get the
> gen_pool handles. The other one is simply to define these as <reg> and
> use devm_ioremap_resource() (so use DT for defining the regions instead
> of a resource table entry).

Any approach where these regions are defined explicitly really sounds
better. If you could look into these two alternatives that would be

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