On Friday 30 May 2014 22:29:13 Hiroshi Doyu wrote:
>
> IIUC the original problem, "a master with 8 streamIDs" means something
> like below, where some devices have multiple IDs but some have a
> single. A sinle #address-cells cannot afford those 2 masters at once.
>
>iommu {
>
On Friday 30 May 2014 14:31:55 Rob Herring wrote:
> On Fri, May 30, 2014 at 2:06 PM, Arnd Bergmann wrote:
> > On Friday 30 May 2014 08:16:05 Rob Herring wrote:
> >> On Fri, May 23, 2014 at 3:33 PM, Thierry Reding
> >> wrote:
> >> > From: Thierry Reding
> >> > +IOMMU master node:
> >> > +
On Fri, May 30, 2014 at 2:06 PM, Arnd Bergmann wrote:
> On Friday 30 May 2014 08:16:05 Rob Herring wrote:
>> On Fri, May 23, 2014 at 3:33 PM, Thierry Reding
>> wrote:
>> > From: Thierry Reding
>> > +IOMMU master node:
>> > +==
>> > +
>> > +Devices that access memory through an IO
Arnd Bergmann writes:
>> > +Multiple-master IOMMU:
>> > +--
>> > +
>> > + iommu {
>> > + /* the specifier represents the ID of the master */
>> > + #address-cells = <1>;
>> > + #size-cells = <0>;
>> > + };
>> > +
>> > +
On Friday 30 May 2014 12:27:28 Dave Martin wrote:
> On Fri, May 30, 2014 at 08:30:08AM +0100, Thierry Reding wrote:
> > On Thu, May 29, 2014 at 09:52:22AM -0600, Stephen Warren wrote:
> > > On 05/23/2014 02:36 PM, Thierry Reding wrote:
> > > I think this is a mistake. address-cells/size-cells are f
On Friday 30 May 2014 08:16:05 Rob Herring wrote:
> On Fri, May 23, 2014 at 3:33 PM, Thierry Reding
> wrote:
> > From: Thierry Reding
> > +IOMMU master node:
> > +==
> > +
> > +Devices that access memory through an IOMMU are called masters. A device
> > can
> > +have multiple mas
On Friday 30 May 2014 12:22:32 Dave Martin wrote:
> > +
> > +Examples:
> > +=
> > +
> > +Single-master IOMMU:
> > +
> > +
> > + iommu {
> > + #address-cells = <0>;
> > + #size-cells = <0>;
> > + };
> > +
> > + master {
> > + iommus = <
On Tue, May 27, 2014 at 06:18:42PM +0800, Kefeng Wang wrote:
> Use devm_ioremap_resource() to make the code simpler, drop unused variable,
> redundant return value check, and error-handing code.
>
> Signed-off-by: Kefeng Wang
> ---
> drivers/iommu/msm_iommu_dev.c | 38 +++--
On Thu, May 29, 2014 at 03:45:47PM +0200, Paul Bolle wrote:
> On Mon, 2014-05-26 at 11:39 +0200, Joerg Roedel wrote:
> > On Fri, May 16, 2014 at 03:39:40PM +0800, Vaughan Cao wrote:
> > > amd_iommu_rlookup_table[devid] != NULL is already guaranteed by
> > > check_device
> > > called before, it's f
On Fri, May 23, 2014 at 3:33 PM, Thierry Reding
wrote:
> From: Thierry Reding
>
> This commit introduces a generic device tree binding for IOMMU devices.
> Only a very minimal subset is described here, but it is enough to cover
> the requirements of both the Exynos System MMU and Tegra SMMU as
>
On Fri, May 30, 2014 at 08:30:08AM +0100, Thierry Reding wrote:
> On Thu, May 29, 2014 at 09:52:22AM -0600, Stephen Warren wrote:
> > On 05/23/2014 02:36 PM, Thierry Reding wrote:
> > > From: Thierry Reding
> > >
> > > This commit introduces a generic device tree binding for IOMMU devices.
> > >
On Fri, May 23, 2014 at 10:36:35PM +0200, Thierry Reding wrote:
> From: Thierry Reding
>
> This commit introduces a generic device tree binding for IOMMU devices.
> Only a very minimal subset is described here, but it is enough to cover
> the requirements of both the Exynos System MMU and Tegra S
> -Original Message-
> From: Alex Williamson [mailto:alex.william...@redhat.com]
> Sent: Friday, May 23, 2014 4:39 AM
> To: linux-...@vger.kernel.org; iommu@lists.linux-foundation.org
> Cc: linux-ker...@vger.kernel.org; aco...@gmail.com; li...@horizon.com;
> bhelg...@google.com; Sethi Var
On Thu, May 29, 2014 at 09:52:22AM -0600, Stephen Warren wrote:
> On 05/23/2014 02:36 PM, Thierry Reding wrote:
> > From: Thierry Reding
> >
> > This commit introduces a generic device tree binding for IOMMU devices.
> > Only a very minimal subset is described here, but it is enough to cover
> >
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