On Fri, Nov 22, 2013 at 05:35:58PM +, Stephen Warren wrote:
> On 11/22/2013 12:41 AM, Grant Likely wrote:
> > It seems more that IOMMU attachment is closer to being a property of the
> > bus rather than a property of the device itself. In that context it
> > would make more sense for the bus de
On 11/22/2013 12:41 AM, Grant Likely wrote:
> On Thu, 21 Nov 2013 12:04:18 -0700, Stephen Warren
> wrote:
>> On 11/21/2013 06:15 AM, Grant Likely wrote:
>>> On Tue, 19 Nov 2013 11:33:06 +0200, Hiroshi Doyu wrote:
IOMMU devices on the bus need to be poplulated first, then iommu
master d
On Thu, 21 Nov 2013 12:04:18 -0700, Stephen Warren
wrote:
> On 11/21/2013 06:15 AM, Grant Likely wrote:
> > On Tue, 19 Nov 2013 11:33:06 +0200, Hiroshi Doyu wrote:
> >> IOMMU devices on the bus need to be poplulated first, then iommu
> >> master devices are done later.
> >>
> >> With CONFIG_OF_I
On Tue, 19 Nov 2013 11:33:06 +0200, Hiroshi Doyu wrote:
> IOMMU devices on the bus need to be poplulated first, then iommu
> master devices are done later.
>
> With CONFIG_OF_IOMMU, "iommus=" DT binding would be used to identify
> whether a device can be an iommu msater or not. If a device can, w
On 11/21/2013 06:15 AM, Grant Likely wrote:
> On Tue, 19 Nov 2013 11:33:06 +0200, Hiroshi Doyu wrote:
>> IOMMU devices on the bus need to be poplulated first, then iommu
>> master devices are done later.
>>
>> With CONFIG_OF_IOMMU, "iommus=" DT binding would be used to identify
>> whether a device
On Wed, 20 Nov 2013 17:30:35 +0100
Stephen Warren wrote:
...
> >>> Does the above mean the following?
> >>>
> >>> int of_iommu_attach(struct device *dev)
> >>> {
> >>> int i;
> >>> struct of_phandle_args args;
> >>>
> >>> of_property_for_each_phandle_with_args(dev->of_node, "iommus",
> >>>
On 11/20/2013 07:03 AM, Hiroshi Doyu wrote:
> Thierry Reding wrote @ Wed, 20 Nov 2013 14:14:48
> +0100:
(Yes, what Thierry said)
>
>>> Does the above mean the following?
>>>
>>> int of_iommu_attach(struct device *dev)
>>> {
>>> int i;
>>> struct of_phandle_args args;
>>>
>>> of
Thierry Reding wrote @ Wed, 20 Nov 2013 14:14:48
+0100:
> > Does the above mean the following?
> >
> > int of_iommu_attach(struct device *dev)
> > {
> > int i;
> > struct of_phandle_args args;
> >
> > of_property_for_each_phandle_with_args(dev->of_node, "iommus",
> >
On Wed, Nov 20, 2013 at 04:17:08AM +0100, Hiroshi Doyu wrote:
> Stephen Warren wrote @ Tue, 19 Nov 2013 22:22:47
> +0100:
>
> > On 11/19/2013 05:03 AM, Hiroshi Doyu wrote:
> > > Hi Thierry,
> > >
> > > Thierry Reding wrote @ Tue, 19 Nov 2013
> > > 11:25:07 +0100:
> > >
> > >> From earlier di
Stephen Warren wrote @ Tue, 19 Nov 2013 22:22:47 +0100:
> On 11/19/2013 05:03 AM, Hiroshi Doyu wrote:
> > Hi Thierry,
> >
> > Thierry Reding wrote @ Tue, 19 Nov 2013 11:25:07
> > +0100:
> >
> >> From earlier discussions I thought the goal was to actually defer this
> >> until all nodes referr
On 11/19/2013 05:03 AM, Hiroshi Doyu wrote:
> Hi Thierry,
>
> Thierry Reding wrote @ Tue, 19 Nov 2013 11:25:07
> +0100:
>
>> From earlier discussions I thought the goal was to actually defer this
>> until all nodes referred to by the iommus property were actually
>> registered. The above only c
Hi Thierry,
Thierry Reding wrote @ Tue, 19 Nov 2013 11:25:07
+0100:
> From earlier discussions I thought the goal was to actually defer this
> until all nodes referred to by the iommus property were actually
> registered. The above only checks that the phandles can be resolved to
> valid struct
On Tue, Nov 19, 2013 at 11:33:06AM +0200, Hiroshi Doyu wrote:
> IOMMU devices on the bus need to be poplulated first, then iommu
> master devices are done later.
>
> With CONFIG_OF_IOMMU, "iommus=" DT binding would be used to identify
> whether a device can be an iommu msater or not. If a device c
IOMMU devices on the bus need to be poplulated first, then iommu
master devices are done later.
With CONFIG_OF_IOMMU, "iommus=" DT binding would be used to identify
whether a device can be an iommu msater or not. If a device can, we'll
defer to populate that device till an iommu device is populate
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