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From: Laurent Pinchart <laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>
To: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Laurent Pinchart
	<laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
	Linux-sh list <linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 10/10] ARM: shmobile: r8a7791: Add IPMMU DT nodes
Date: Mon, 15 Dec 2014 20:44:29 +0200	[thread overview]
Message-ID: <1521122.WC5DkGVrBt@avalon> (raw)
In-Reply-To: <CAMuHMdWtkk=Q=Mfcyz03LBzXMuBOr8BZGNyCsQb9bwDty-4OiQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Hi Geert,

On Monday 15 December 2014 14:07:52 Geert Uytterhoeven wrote:
> On Mon, Dec 15, 2014 at 1:13 AM, Laurent Pinchart wrote:
> > Add the seven IPMMU instances found in the r8a7791 to DT with a disabled
> > status.
> > 
> > Signed-off-by: Laurent Pinchart
> > <laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>
> 
> The addresses and interrupt numbers look OK to me.
> However, my comment about the "0x800" offset is still valid.
> Shouldn't we have two register blocks, and let the driver use only the
> second one?
> 
> If you ignore, feel free to add my
> Acked-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

I don't want to ignore your comment, but I don't know what to do here :-/ The 
datasheet lacks detailed information about secure vs. non-secure mode and how 
the two register sets are supposed to interoperate and be handled by the 
operating system.

-- 
Regards,

Laurent Pinchart

WARNING: multiple messages have this Message-ID (diff)
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Laurent Pinchart
	<laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
	Linux-sh list <linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 10/10] ARM: shmobile: r8a7791: Add IPMMU DT nodes
Date: Mon, 15 Dec 2014 18:44:29 +0000	[thread overview]
Message-ID: <1521122.WC5DkGVrBt@avalon> (raw)
In-Reply-To: <CAMuHMdWtkk=Q=Mfcyz03LBzXMuBOr8BZGNyCsQb9bwDty-4OiQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Hi Geert,

On Monday 15 December 2014 14:07:52 Geert Uytterhoeven wrote:
> On Mon, Dec 15, 2014 at 1:13 AM, Laurent Pinchart wrote:
> > Add the seven IPMMU instances found in the r8a7791 to DT with a disabled
> > status.
> > 
> > Signed-off-by: Laurent Pinchart
> > <laurent.pinchart+renesas@ideasonboard.com>
> 
> The addresses and interrupt numbers look OK to me.
> However, my comment about the "0x800" offset is still valid.
> Shouldn't we have two register blocks, and let the driver use only the
> second one?
> 
> If you ignore, feel free to add my
> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>

I don't want to ignore your comment, but I don't know what to do here :-/ The 
datasheet lacks detailed information about secure vs. non-secure mode and how 
the two register sets are supposed to interoperate and be handled by the 
operating system.

-- 
Regards,

Laurent Pinchart


  parent reply	other threads:[~2014-12-15 18:44 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-15  0:13 [PATCH 00/10] Renesas IPMMU-VMSA fixes and DT support Laurent Pinchart
2014-12-15  0:13 ` Laurent Pinchart
2014-12-15  0:13 ` [PATCH 02/10] iommu/ipmmu-vmsa: Flush P[UM]D entry before freeing the child page table Laurent Pinchart
2014-12-15  0:13   ` Laurent Pinchart
2014-12-15  0:13 ` [PATCH 03/10] iommu/ipmmu-vmsa: Invalidate TLB after unmapping Laurent Pinchart
2014-12-15  0:13   ` Laurent Pinchart
     [not found] ` <1418602429-11276-1-git-send-email-laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>
2014-12-15  0:13   ` [PATCH 01/10] iommu/ipmmu-vmsa: Cleanup failures of ARM mapping creation or attachment Laurent Pinchart
2014-12-15  0:13     ` Laurent Pinchart
2014-12-15  0:13   ` [PATCH 04/10] iommu/ipmmu-vmsa: Return proper error if devm_request_irq fails Laurent Pinchart
2014-12-15  0:13     ` Laurent Pinchart
2014-12-15  0:13 ` [PATCH 05/10] iommu/ipmmu-vmsa: Add device tree bindings documentation Laurent Pinchart
2014-12-15  0:13   ` Laurent Pinchart
2014-12-15  0:13 ` [PATCH 06/10] iommu/ipmmu-vmsa: Add device tree support Laurent Pinchart
2014-12-15  0:13   ` Laurent Pinchart
2014-12-15  0:13 ` [PATCH 07/10] iommu/ipmmu-vmsa: Support multiple micro TLBs per device Laurent Pinchart
2014-12-15  0:13   ` Laurent Pinchart
2014-12-15  0:13 ` [PATCH 08/10] iommu/ipmmu-vmsa: Remove platform data support Laurent Pinchart
2014-12-15  0:13   ` Laurent Pinchart
2014-12-15  0:13 ` [PATCH 09/10] ARM: shmobile: r8a7790: Add IPMMU DT nodes Laurent Pinchart
2014-12-15  0:13   ` Laurent Pinchart
2014-12-15  0:13 ` [PATCH 10/10] ARM: shmobile: r8a7791: " Laurent Pinchart
2014-12-15  0:13   ` Laurent Pinchart
2014-12-15 13:07   ` Geert Uytterhoeven
2014-12-15 13:07     ` Geert Uytterhoeven
     [not found]     ` <CAMuHMdWtkk=Q=Mfcyz03LBzXMuBOr8BZGNyCsQb9bwDty-4OiQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-15 18:44       ` Laurent Pinchart [this message]
2014-12-15 18:44         ` Laurent Pinchart
2014-12-15 22:44         ` Magnus Damm
2014-12-15 22:44           ` Magnus Damm
2014-12-15 23:16           ` Laurent Pinchart
2014-12-15 23:16             ` Laurent Pinchart
2014-12-16 11:54             ` Magnus Damm
2014-12-16 11:54               ` Magnus Damm
2014-12-16 10:02         ` Geert Uytterhoeven
2014-12-16 10:02           ` Geert Uytterhoeven
2014-12-16 11:47           ` Laurent Pinchart
2014-12-16 11:47             ` Laurent Pinchart

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