From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v3 6/7] arm: call iommu_init before of_platform_populate
Date: Mon, 22 Sep 2014 13:08:27 +0200 [thread overview]
Message-ID: <11868654.D6MinQlF2p@wuerfel> (raw)
In-Reply-To: <20140922093614.GK1470@ulmo>
On Monday 22 September 2014 11:36:15 Thierry Reding wrote:
> On Fri, Sep 12, 2014 at 05:34:54PM +0100, Will Deacon wrote:
> > We need to ensure that the IOMMUs in the system have a chance to perform
> > some basic initialisation before we start adding masters to them.
> >
> > This patch adds a call to of_iommu_init before of_platform_populate.
>
> Why can't you call it from of_platform_populate() directly? That way it
> would be usable for all architectures rather than just ARM. Eventually
> we're going to need the same thing for 64-bit ARM (and possibly others
> as well).
IIRC, of_platform_populate can be called multiple times, even recursively
be drivers that populate their own child devices.
Arnd
next prev parent reply other threads:[~2014-09-22 11:08 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-12 16:34 [RFC PATCH v3 0/7] Introduce automatic DMA configuration for IOMMU masters Will Deacon
2014-09-12 16:34 ` [RFC PATCH v3 1/7] iommu: provide early initialisation hook for IOMMU drivers Will Deacon
2014-09-18 14:31 ` Robin Murphy
2014-09-22 17:35 ` Will Deacon
2014-09-12 16:34 ` [RFC PATCH v3 2/7] dma-mapping: replace set_arch_dma_coherent_ops with arch_setup_dma_ops Will Deacon
2014-09-12 16:34 ` [RFC PATCH v3 3/7] iommu: add new iommu_ops callback for adding an OF device Will Deacon
2014-09-15 11:57 ` Marek Szyprowski
2014-09-17 1:39 ` Will Deacon
2014-09-12 16:34 ` [RFC PATCH v3 4/7] iommu: provide helper function to configure an IOMMU for an of master Will Deacon
2014-09-18 11:13 ` Laurent Pinchart
2014-09-22 17:13 ` Will Deacon
2014-10-14 13:12 ` Laurent Pinchart
2014-09-12 16:34 ` [RFC PATCH v3 5/7] dma-mapping: detect and configure IOMMU in of_dma_configure Will Deacon
2014-09-18 11:17 ` Laurent Pinchart
2014-09-22 9:29 ` Thierry Reding
2014-09-22 17:50 ` Will Deacon
2014-10-14 12:53 ` Laurent Pinchart
2014-10-27 10:51 ` Will Deacon
2014-10-27 11:12 ` Marek Szyprowski
2014-10-27 11:30 ` Laurent Pinchart
2014-10-27 16:02 ` Will Deacon
2014-10-27 16:33 ` jroedel at suse.de
2014-09-22 17:46 ` Will Deacon
2014-09-12 16:34 ` [RFC PATCH v3 6/7] arm: call iommu_init before of_platform_populate Will Deacon
2014-09-22 9:36 ` Thierry Reding
2014-09-22 11:08 ` Arnd Bergmann [this message]
2014-09-22 11:40 ` Thierry Reding
2014-09-22 16:03 ` Arnd Bergmann
2014-09-23 7:02 ` Thierry Reding
2014-09-23 7:44 ` Arnd Bergmann
2014-09-23 8:59 ` Thierry Reding
2014-10-14 13:07 ` Laurent Pinchart
2014-10-14 13:20 ` Arnd Bergmann
2014-10-14 13:37 ` Thierry Reding
2014-10-14 15:01 ` Laurent Pinchart
2014-10-14 15:05 ` Thierry Reding
2014-10-14 15:10 ` Laurent Pinchart
2014-09-12 16:34 ` [RFC PATCH v3 7/7] arm: dma-mapping: plumb our iommu mapping ops into arch_setup_dma_ops Will Deacon
2014-09-22 9:19 ` Thierry Reding
2014-09-22 9:22 ` Laurent Pinchart
2014-09-22 17:43 ` Will Deacon
2014-09-23 7:14 ` Thierry Reding
2014-09-24 16:33 ` Will Deacon
2014-09-25 6:40 ` Thierry Reding
2014-09-30 16:00 ` Will Deacon
2014-10-01 8:46 ` Thierry Reding
2014-10-03 15:08 ` Will Deacon
2014-10-06 9:52 ` Thierry Reding
2014-10-06 10:50 ` Laurent Pinchart
2014-10-06 13:05 ` Thierry Reding
2014-09-16 11:40 ` [RFC PATCH v3 0/7] Introduce automatic DMA configuration for IOMMU masters Robin Murphy
2014-09-17 1:19 ` Will Deacon
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