linux-kernel - Re: [PATCH 1/2] remoteproc: use a flag to detect the presence of IOMMU

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Date:	Mon, 4 Aug 2014 14:50:47 +0300
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	Suman Anna <s-anna@...com>
Cc:	Dave Gerlach <d-gerlach@...com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	linux-arm <linux-arm-kernel@...ts.infradead.org>,
	Robert Tivy <rtivy@...com>
Subject: Re: [PATCH 1/2] remoteproc: use a flag to detect the presence of IOMMU

On Tue, Jul 29, 2014 at 7:10 PM, Suman Anna <s-anna@...com> wrote:
> We are trying to add a remoteproc driver for a small Cortex M3 called
> the WkupM3 used for suspend/resume management on TI AM335/AM437x SoCs.
> This processor does not have an MMU. Same is the case with another
> processor subsystem PRU-ICSS on AM335/AM437x. All these are platform
> devices, and the current iommu_present check will not scale for the same
> kernel image to support OMAP4/OMAP5 and AM335/AM437x.

That's perfect, thanks. Can you please add this use case description
to the commit log?

This way we'll be able to recover it easily one day if needed.

Thanks,
Ohad.
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