Re: [PATCH v4] devicetree: Add generic IOMMU device tree bindings

2014-07-13 Thread Thierry Reding
On Sun, Jul 13, 2014 at 10:43:41AM +0100, Will Deacon wrote: > On Sat, Jul 12, 2014 at 01:57:31PM +0100, Rob Clark wrote: > > On Sat, Jul 12, 2014 at 8:22 AM, Arnd Bergmann wrote: > > > On Saturday 12 July 2014, Rob Clark wrote: > > >> >> Was there actually a good reason for having the device link

Re: [PATCH v4] devicetree: Add generic IOMMU device tree bindings

2014-07-13 Thread Thierry Reding
On Sat, Jul 12, 2014 at 08:57:31AM -0400, Rob Clark wrote: > On Sat, Jul 12, 2014 at 8:22 AM, Arnd Bergmann wrote: [...] > > The way that Thierry's binding does that is the obvious solution to this, > > and it mirrors what we do in practically every other subsystem. I definitely > > want the SMMU

Re: [PATCH v4] devicetree: Add generic IOMMU device tree bindings

2014-07-13 Thread Thierry Reding
On Sat, Jul 12, 2014 at 02:22:01PM +0200, Arnd Bergmann wrote: > On Saturday 12 July 2014, Rob Clark wrote: > > >> Was there actually a good reason for having the device link to the > > >> iommu rather than the other way around? How much would people hate it > > >> if I just ignore the generic bin

Re: [PATCH v2 01/10] iommu/ipmmu-vmsa: Refactor micro-TLB lookup

2014-07-13 Thread Khiem Nguyen
Hi Laurent, On 7/10/2014 7:37 PM, Laurent Pinchart wrote: > On Thursday 10 July 2014 09:03:26 Khiem Nguyen wrote: >> On 5/15/2014 7:40 PM, Laurent Pinchart wrote: >>> Cache the micro-TLB number in archdata allocated in the .add_device >>> handler instead of looking it up when the deviced is attach

Re: [PATCH v4] devicetree: Add generic IOMMU device tree bindings

2014-07-13 Thread Rob Clark
On Sun, Jul 13, 2014 at 5:43 AM, Will Deacon wrote: > On Sat, Jul 12, 2014 at 01:57:31PM +0100, Rob Clark wrote: >> On Sat, Jul 12, 2014 at 8:22 AM, Arnd Bergmann wrote: >> > On Saturday 12 July 2014, Rob Clark wrote: >> >> >> Was there actually a good reason for having the device link to the >>

Re: [PATCH v4] devicetree: Add generic IOMMU device tree bindings

2014-07-13 Thread Will Deacon
On Sat, Jul 12, 2014 at 01:57:31PM +0100, Rob Clark wrote: > On Sat, Jul 12, 2014 at 8:22 AM, Arnd Bergmann wrote: > > On Saturday 12 July 2014, Rob Clark wrote: > >> >> Was there actually a good reason for having the device link to the > >> >> iommu rather than the other way around? How much wou