From: Arnd Bergmann <arnd@arndb.de>
To: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: tony@atomide.com, linux@arm.linux.org.uk, fernando.lugo@ti.com,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, grgupta@ti.com, h-kanigeri2@ti.com
Subject: Re: [PATCH] OMAP: iommu flush page table entries from L1 and L2 cache
Date: Mon, 18 Apr 2011 15:25:41 +0200 [thread overview]
Message-ID: <201104181525.43481.arnd@arndb.de> (raw)
In-Reply-To: <20110418.144246.77604458849535045.Hiroshi.DOYU@nokia.com>
On Monday 18 April 2011, Hiroshi DOYU wrote:
> From: ext Tony Lindgren <tony@atomide.com>
> > have a generic replacement for this code we should start using it.
>
> I'm afraid that there's no general IOMMU APIs yet, or already? If
> there is, migrating to those general IOMMU API is the way, but still
> SoC dependent parts remain, anyway. I guess that more or less general
> IOMMU API is composed of common set of client APIs(like IOVMM) and the
> registration of H/W dependent functions(like omap iommu), I guess.
As I explained, we have a surplus of generic iommu APIs
already, see include/linux/dma-mapping.h and include/linux/iommu.h
The dma-mapping interface handles IOMMUs on all other architectures
that have them.
Arnd
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] OMAP: iommu flush page table entries from L1 and L2 cache
Date: Mon, 18 Apr 2011 15:25:41 +0200 [thread overview]
Message-ID: <201104181525.43481.arnd@arndb.de> (raw)
In-Reply-To: <20110418.144246.77604458849535045.Hiroshi.DOYU@nokia.com>
On Monday 18 April 2011, Hiroshi DOYU wrote:
> From: ext Tony Lindgren <tony@atomide.com>
> > have a generic replacement for this code we should start using it.
>
> I'm afraid that there's no general IOMMU APIs yet, or already? If
> there is, migrating to those general IOMMU API is the way, but still
> SoC dependent parts remain, anyway. I guess that more or less general
> IOMMU API is composed of common set of client APIs(like IOVMM) and the
> registration of H/W dependent functions(like omap iommu), I guess.
As I explained, we have a surplus of generic iommu APIs
already, see include/linux/dma-mapping.h and include/linux/iommu.h
The dma-mapping interface handles IOMMUs on all other architectures
that have them.
Arnd
next prev parent reply other threads:[~2011-04-18 13:25 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-14 21:52 [PATCH] OMAP: iommu flush page table entries from L1 and L2 cache Fernando Guzman Lugo
2011-04-14 21:52 ` Fernando Guzman Lugo
2011-04-14 21:52 ` Fernando Guzman Lugo
2011-04-14 22:30 ` Russell King - ARM Linux
2011-04-14 22:30 ` Russell King - ARM Linux
2011-04-15 2:24 ` KyongHo Cho
2011-04-15 2:24 ` KyongHo Cho
2011-04-15 8:12 ` Russell King - ARM Linux
2011-04-15 8:12 ` Russell King - ARM Linux
2011-04-15 11:26 ` Gupta, Ramesh
2011-04-15 11:26 ` Gupta, Ramesh
2011-04-28 13:40 ` Russell King - ARM Linux
2011-04-28 13:40 ` Russell King - ARM Linux
2011-04-28 13:40 ` Russell King - ARM Linux
2011-04-28 16:48 ` Gupta, Ramesh
2011-04-28 16:48 ` Gupta, Ramesh
2011-08-11 19:28 ` Gupta, Ramesh
2011-08-11 19:28 ` Gupta, Ramesh
2011-08-11 22:29 ` Russell King - ARM Linux
2011-08-11 22:29 ` Russell King - ARM Linux
2011-08-11 22:29 ` Russell King - ARM Linux
2011-08-12 16:05 ` Gupta, Ramesh
2011-08-12 16:05 ` Gupta, Ramesh
2011-08-12 16:05 ` Gupta, Ramesh
2011-10-16 18:32 ` C.A, Subramaniam
2011-10-16 18:32 ` C.A, Subramaniam
2012-05-29 15:53 ` Gupta, Ramesh
2012-05-29 15:53 ` Gupta, Ramesh
2011-04-18 7:29 ` Arnd Bergmann
2011-04-18 7:29 ` Arnd Bergmann
2011-04-18 11:05 ` Tony Lindgren
2011-04-18 11:05 ` Tony Lindgren
2011-04-18 11:42 ` Hiroshi DOYU
2011-04-18 11:42 ` Hiroshi DOYU
2011-04-18 13:25 ` Arnd Bergmann [this message]
2011-04-18 13:25 ` Arnd Bergmann
2011-04-18 11:58 ` Arnd Bergmann
2011-04-18 11:58 ` Arnd Bergmann
2011-04-18 12:55 ` Kyungmin Park
2011-04-18 12:55 ` Kyungmin Park
2011-04-18 12:55 ` Kyungmin Park
2011-04-18 14:13 ` Arnd Bergmann
2011-04-18 14:13 ` Arnd Bergmann
2011-04-19 9:11 ` Kyungmin Park
2011-04-19 9:11 ` Kyungmin Park
2011-04-19 12:01 ` Arnd Bergmann
2011-04-19 12:01 ` Arnd Bergmann
2011-04-19 12:35 ` Kyungmin Park
2011-04-19 12:35 ` Kyungmin Park
2011-04-19 13:02 ` Russell King - ARM Linux
2011-04-19 13:02 ` Russell King - ARM Linux
2011-04-19 13:11 ` Arnd Bergmann
2011-04-19 13:11 ` Arnd Bergmann
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