From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] arm/dts: Tegra30: Add device tree support for SMMU
Date: Wed, 18 Apr 2012 07:31:53 +0000 [thread overview]
Message-ID: <201204180731.54064.arnd@arndb.de> (raw)
In-Reply-To: <20120418.094448.2234414220947028341.hdoyu@nvidia.com>
On Wednesday 18 April 2012, Hiroshi Doyu wrote:
> If we can consider IOMMU as one of the implementation of DMA(Direct
> Memory Access), the prefix "dma-(window)" may make sense here. Then,
> we don't have to introduce a new concept "IO virtual address(iova)" in
> addition to the existing "bus address"(?)
>
> Anyway, either name would be ok for me;)
I would just use dma-window, without the "ibm," prefix but following the
same conventions. Note that the of_parse_dma_window function is currently
only defined in powerpc specific code, and should get moved to
drivers/of from arch/powerpc/kernel/prom_parse.c.
Arnd
next prev parent reply other threads:[~2012-04-18 7:31 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <201204161534.20089.arnd@arndb.de>
[not found] ` <20120418081746.995724e27bdc726049cd4965@nvidia.com>
[not found] ` <20120418054140.GA17506@avionic-0098.adnet.avionic-design.de>
2012-04-18 6:44 ` [PATCH 1/1] arm/dts: Tegra30: Add device tree support for SMMU Hiroshi Doyu
2012-04-18 7:31 ` Arnd Bergmann [this message]
2012-04-18 9:18 ` Hiroshi Doyu
2012-04-18 9:26 ` Thierry Reding
2012-04-18 10:19 ` [PATCH 1/1] dt: Add general DMA window parser Hiroshi Doyu
2012-04-18 10:26 ` Thierry Reding
2012-04-18 10:36 ` Hiroshi Doyu
2012-04-18 10:54 ` Thierry Reding
2012-04-18 11:13 ` Hiroshi Doyu
2012-04-18 17:27 ` Stephen Warren
2012-04-18 19:39 ` Thierry Reding
2012-04-19 12:32 ` Hiroshi Doyu
2012-04-19 12:19 ` Hiroshi Doyu
2012-04-23 11:53 ` [PATCH v2 " Hiroshi Doyu
2012-04-23 18:16 ` Stephen Warren
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