Re: [v2 1/1] iommu/tegra: smmu: Use debugfs_create_dir for directory

2012-09-17 Thread joerg.roe...@amd.com
On Mon, Sep 10, 2012 at 12:24:06PM -0600, Stephen Warren wrote: > Joerg, could you please apply this patch ASAP? Currently, Tegra won't > boot in linux-next without it. Alternatively, would you like me to take > the patch through the Tegra tree? Thanks. Sorry, I had some vacation. But I am back n

Re: [v3.6 3/3] iommu/tegra: smmu: Fix unsleepable memory allocation at alloc_pdir()

2012-07-17 Thread joerg.roe...@amd.com
On Tue, Jul 17, 2012 at 02:25:24PM +0200, Hiroshi Doyu wrote: > The above spin_lock is always necessary. "as->lock" should be held to > protect "as->pdir_page". Only when "as->pdir_page" is NULL, > "as->pdir_page" would be allocated in "alloc_pdir()". Without this > lock, the following race could h

Re: [PATCH 1/1] iommu/tegra: smmu: Fix unsleepable memory allocation

2012-07-02 Thread joerg.roe...@amd.com
On Mon, Jul 02, 2012 at 12:19:03PM +0200, Hiroshi Doyu wrote: > Hiroshi Doyu wrote @ Mon, 2 Jul 2012 12:13:26 +0200: > > The other 2 patehs are the replacement of this one. They are > > exclusive. Both of them are basically for the same fix. > > I might not get your point. If you plan to take the

Re: [v2 1/5] iommu: Add DMA window parser, of_get_dma_window()

2012-06-25 Thread joerg.roe...@amd.com
On Mon, Jun 25, 2012 at 08:15:43AM +0300, Hiroshi Doyu wrote: > On Thu, 21 Jun 2012 18:18:59 +0200 > Stephen Warren wrote: > > > On 06/21/2012 02:30 AM, Hiroshi Doyu wrote: > > > From: Hiroshi DOYU > > > > > > This code was based on: > > > "arch/microblaze/kernel/prom_parse.c" > > > "ar

Re: [PATCH 1/1] iommu/tegra: smmu: Add DMA window parser

2012-05-21 Thread joerg.roe...@amd.com
On Fri, May 18, 2012 at 10:56:19PM +0200, Hiroshi Doyu wrote: > Joerg, as Stephen proposed originally. Could you please revert or drop > the original one this time? > > [PATCH 1/2] iommu/tegra: smmu: Add device tree support for SMMU I removed the patch from my tree. Regards, Joerg --

Re: [PATCH 2/2] ARM: IOMMU: Tegra30: Add iommu_ops for SMMU driver

2012-01-24 Thread joerg.roe...@amd.com
On Tue, Jan 24, 2012 at 12:36:14PM +0100, Hiroshi Doyu wrote: > > A domain is, as you said, a virtual address space for IO devices. But > > the important point is, an arbitrary number of devices can be part of a > > domain. This also means that the devices can be behind different > > hardware SMMUs

Re: [PATCH 0/5] IOMMU: Make IOMMU-API ready for GART-like hardware

2012-01-20 Thread joerg.roe...@amd.com
Hi, On Fri, Jan 20, 2012 at 07:14:03AM +0100, Hiroshi Doyu wrote: > From: Joerg Roedel > Subject: [PATCH 0/5] IOMMU: Make IOMMU-API ready for GART-like hardware > Date: Thu, 19 Jan 2012 15:30:00 +0100 > Message-ID: <1326983405-319-1-git-send-email-joerg.roe...@amd.com> >