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From: Ohad Ben-Cohen <ohad@wizery.com>
To: Dave Gerlach <d-gerlach@ti.com>
Cc: linux-arm <linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Suman Anna <s-anna@ti.com>, Kevin Hilman <khilman@linaro.org>,
	Tony Lindgren <tony@atomide.com>
Subject: Re: [PATCH v3 2/4] remoteproc: add a rproc ops for performing address translation
Date: Sat, 9 May 2015 10:54:18 +0300	[thread overview]
Message-ID: <CAK=WgbaSD9tGVKhUkbL3JjtW9GuAR_fbWHG6rx1m_v9TDW0Osw@mail.gmail.com> (raw)
In-Reply-To: <1427917039-43206-3-git-send-email-d-gerlach@ti.com>

Hi Dave,

On Wed, Apr 1, 2015 at 10:37 PM, Dave Gerlach <d-gerlach@ti.com> wrote:
> From: Suman Anna <s-anna@ti.com>
>
> 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?

Thanks,
Ohad.

  reply	other threads:[~2015-05-09  7:58 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-01 19:37 [PATCH v3 0/4] remoteproc: Introduce wkup_m3_rproc driver Dave Gerlach
2015-04-01 19:37 ` [PATCH v3 1/4] remoteproc: introduce rproc_get_by_phandle API Dave Gerlach
2015-05-09  7:39   ` Ohad Ben-Cohen
2015-05-11 15:09     ` Suman Anna
2015-05-16  7:18       ` Ohad Ben-Cohen
2015-05-18 14:33         ` Dave Gerlach
2015-04-01 19:37 ` [PATCH v3 2/4] remoteproc: add a rproc ops for performing address translation Dave Gerlach
2015-05-09  7:54   ` Ohad Ben-Cohen [this message]
2015-05-11 14:55     ` Suman Anna
2015-04-01 19:37 ` [PATCH v3 3/4] Documentation: dt: add bindings for TI Wakeup M3 processor Dave Gerlach
2015-05-11 17:28   ` Tony Lindgren
2015-04-01 19:37 ` [PATCH v3 4/4] remoteproc/wkup_m3: add a remoteproc driver for TI Wakeup M3 Dave Gerlach
2015-05-09  8:42   ` Ohad Ben-Cohen
2015-05-11 15:01     ` Suman Anna
2015-05-16  8:43       ` Ohad Ben-Cohen
2015-04-29 16:05 ` [PATCH v3 0/4] remoteproc: Introduce wkup_m3_rproc driver Suman Anna
2015-05-02  8:45   ` Ohad Ben-Cohen

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