Hi Andreas,
On Tue, Jul 21, 2015 at 09:34:46AM -0600, Alex Williamson wrote:
Since Linux 4.1, I'm getting a lot of IO_PAGE_FAULT like this one
[ 17.048609] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:11.0
domain=0x0008 address=0x40ebaaab00618000 flags=0x0010]
with different
Hi Suman,
Thank you for the patch.
On Monday 20 July 2015 17:33:29 Suman Anna wrote:
Fix couple of checkpatch warnings of the type,
WARNING: Possible unnecessary 'out of memory' message
Signed-off-by: Suman Anna s-a...@ti.com
The commit message could also mention that the reason to
On Tue, Jul 21, 2015 at 06:20:23PM +0200, Andreas Hartmann wrote:
[ 48.193901] 6[fglrx] Firegl kernel thread PID: 1840
[ 48.193985] 6[fglrx] Firegl kernel thread PID: 1841
[ 48.194063] 6[fglrx] Firegl kernel thread PID: 1842
[ 48.194172] 6[fglrx] IRQ 28 Enabled
[ 48.261580] 6[fglrx]
[cc +iommu, +joerg]
On Tue, 2015-07-21 at 17:04 +0200, Andreas Hartmann wrote:
Hello!
Since Linux 4.1, I'm getting a lot of IO_PAGE_FAULT like this one
[ 17.048609] AMD-Vi: Event logged [IO_PAGE_FAULT device=00:11.0
domain=0x0008 address=0x40ebaaab00618000 flags=0x0010]
with
Hi Suman,
Thank you for the patch.
On Monday 20 July 2015 17:33:23 Suman Anna wrote:
The OMAP IOMMU bindings is updated to reflect the required #iommu-cells
property.
Signed-off-by: Suman Anna s-a...@ti.com
This brings the documentation in sync with both mainline DT sources and code
so it
On Fri, Jul 17, 2015 at 05:53:24PM +0100, Sricharan R wrote:
From: Mitchel Humpherys mitch...@codeaurora.org
On some platforms with tight power constraints it is polite to only
leave your clocks on for as long as you absolutely need them. Currently
we assume that all clocks necessary for
On Tue, Jul 21, 2015 at 06:20:23PM +0200, Andreas Hartmann wrote:
Hi Jörg,
I attached the dmesg output of the boot seuqence. This time after
reboot, the amount of IO_PAGE_FAULTs is not that much, but now, I got a
few ata3.00 errors.
Am 21.07.2015 um 17:56 schrieb Joerg Roedel:
Hi
Hi Yong Wu,
On Thu, Jul 16, 2015 at 10:04:34AM +0100, Yong Wu wrote:
This patch adds support for mediatek m4u (MultiMedia Memory Management
Unit).
[...]
+static void mtk_iommu_tlb_flush_all(void *cookie)
+{
+ struct mtk_iommu_domain *domain = cookie;
+ void __iomem *base;
+
[adding Robin]
On Fri, Jul 17, 2015 at 05:53:22PM +0100, Sricharan R wrote:
This patch uses IOMMU_OF_DECLARE to register the driver
and the iommu_ops. So when master devices of the iommu are
registered, of_xlate callback can be used to add the master
configurations to the smmu driver.
I'd
Hi Suman,
Thank you for the patch.
On Monday 20 July 2015 17:33:26 Suman Anna wrote:
Protect the omap-pgtable.h header against double inclusion in
source code by using the standard include guard mechanism.
Signed-off-by: Suman Anna s-a...@ti.com
Reviewed-by: Laurent Pinchart
Hello,
This is looking better, but I still have some concerns.
On Thu, Jul 16, 2015 at 10:04:32AM +0100, Yong Wu wrote:
This patch is for ARM Short Descriptor Format.
Signed-off-by: Yong Wu yong...@mediatek.com
---
drivers/iommu/Kconfig| 18 +
drivers/iommu/Makefile
On 07/17/2015 09:53 AM, Sricharan R wrote:
From: Mitchel Humpherys mitch...@codeaurora.org
This adds the support to turn on the regulators required
for SMMUs. It is turned on during the SMMU probe and remains
'on' till the device exists.
The device always exists. Until the driver is removed
* Suman Anna s-a...@ti.com [150721 16:58]:
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -26,6 +26,8 @@
#include linux/of_iommu.h
#include linux/of_irq.h
#include linux/of_platform.h
+#include linux/regmap.h
+#include linux/mfd/syscon.h
#include
On 2015/7/21 18:30, Robin Murphy wrote:
On 21/07/15 08:30, Zhen Lei wrote:
Changelog:
v2 - v3:
1. add support for pci device hotplug, which missed in patch v2.
2. only support #iommu-cells = 1, add corresponding description in
arm,smmu-v3.txt.
3. add function find_smmu_by_device which
Hi Laurent,
On Monday 20 July 2015 17:33:24 Suman Anna wrote:
The OMAP IOMMU driver has been adapted to the IOMMU framework
for a while now, and it does not support being built as a
module anymore. So, remove all the module references from the
OMAP IOMMU driver.
While at it, also relocate
Hi,
This series adds the basic support in the OMAP IOMMU driver to
enable/disable DSP IOMMUs for the DRA7xx family of SoCs. The
DRA7 family has two MMUs within the DSP processor subsystems.
This is the first time this was designed so in the silicon
compared to the equivalent ones on OMAP2+ SoCs.
The DSP processor sub-systems on DRA7xx have two MMU instances
each, one for the processor core and the other for an internal
EDMA block. These MMUs need an additional shared register to be
programmed in the DSP_SYSTEM sub-module to be enabled properly.
The OMAP IOMMU bindings is updated to
The DSP MMUs on DRA7xx SoC requires configuring an additional
MMU_CONFIG register present in the DSP_SYSTEM sub module. This
setting dictates whether the DSP Core's MDMA and EDMA traffic
is routed through the respective MMU or not. Add the support
to the OMAP iommu driver so that the traffic is
The DSP_SYSTEM sub-module is a dedicated system control logic
module present within a DRA7 DSP processor sub-system. This
module is responsible for power management, clock generation
and connection to the device PRCM module.
Add a syscon node for this module for the DSP1 processor
sub-system.
The DSP_SYSTEM sub-module is a dedicated system control logic
module present within a DRA7 DSP processor sub-system. This
module is responsible for power management, clock generation
and connection to the device PRCM module.
Add a syscon node for this module for the DSP2 processor
sub-system.
Hi Tony,
The following patches add the basic DT nodes for the DSP
and IPU IOMMU devices for the DRA7xx SoC family. The first
two patches add syscon nodes for DSP_SYSTEM sub-modules, while
the last two add the IOMMU nodes.
The IPU IOMMU nodes mostly are similar to existing ones on OMAP4
and
The DRA74x family of SoCs have a second DSP, that also has
two MMUs just like the DSP1 subsystem. Add the IOMMU nodes
for this DSP2 subsystem in disabled state to the DRA74x
specific DTS file, the nodes would need to be enabled
appropriately in the respective board DTS files.
Signed-off-by: Suman
The DRA7xx family of SOCs have two IPUs and one DSP processor
subsystems in common. The IOMMU DT nodes have been added for
these processor subsystems, and have been disabled by default.
These MMUs are very similar to those on OMAP4 and OMAP5, with
the only difference being the presence of a
Remove the words pci, to make this function can also be used by
non-pci devices.
Signed-off-by: Zhen Lei thunder.leiz...@huawei.com
---
drivers/iommu/arm-smmu-v3.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
Only support #iommu-cells = 1.
Signed-off-by: Zhen Lei thunder.leiz...@huawei.com
---
Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt | 6 ++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt
On 21/07/15 08:30, Zhen Lei wrote:
Changelog:
v2 - v3:
1. add support for pci device hotplug, which missed in patch v2.
2. only support #iommu-cells = 1, add corresponding description in
arm,smmu-v3.txt.
3. add function find_smmu_by_device which extracted from find_smmu_by_node, to
resolve
Changelog:
v2 - v3:
1. add support for pci device hotplug, which missed in patch v2.
2. only support #iommu-cells = 1, add corresponding description in
arm,smmu-v3.txt.
3. add function find_smmu_by_device which extracted from find_smmu_by_node, to
resolve
the problem mentioned by Robin Murphy
This patch support a master with multiple stream IDs, but doesn't support a
master behinds more than one SMMUs.
Reviewed-by: Robin Murphy robin.mur...@arm.com
Signed-off-by: Zhen Lei thunder.leiz...@huawei.com
---
drivers/iommu/arm-smmu-v3.c | 40 ++--
1 file
It can be replaced by of_iommu_list(in of_iommu.c).
Reviewed-by: Robin Murphy robin.mur...@arm.com
Signed-off-by: Zhen Lei thunder.leiz...@huawei.com
---
drivers/iommu/arm-smmu-v3.c | 22 ++
1 file changed, 2 insertions(+), 20 deletions(-)
diff --git
For pci devices, only the root nodes have iommus property. So we
should traverse all of its sub nodes in of_xlate.
There exists two cases:
Case 1: .add_device(sub node) happened before .of_xlate(root node)
Case 2: .add_device(sub node) happened after .of_xlate(root node)
(1).add_device
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