On Sun, 29 Sep 2013 20:38:38 -0400, Sean Paul wrote:
On Sun, Sep 29, 2013 at 8:35 PM, Cho KyongHo pullip@samsung.com wrote:
On Fri, 27 Sep 2013 14:55:51 -0400, Sean Paul wrote:
On Tue, Dec 25, 2012 at 8:54 PM, Cho KyongHo pullip@samsung.com
wrote:
This removes System MMU
On Sun, 29 Sep 2013 19:03:06 -0700, Olof Johansson wrote:
Hi,
2013/9/29 Cho KyongHo pullip@samsung.com:
Ah, I remember that this is merged.
I agreed to merge this patch because iommu driver need to be completely
changed.
Whenever I change exynos-iommu driver, synchronizing
On Wed, 14 Aug 2013 15:15:49 +0200, 'Joerg Roedel' wrote:
> KyongHo,
>
> On Fri, Jul 26, 2013 at 07:46:01PM +0900, Cho KyongHo wrote:
> > __sysmmu_enable() must return 1 if it is called with the same page table.
> > I have fixed it exynos_iommu_attach_device()
On Wed, 14 Aug 2013 12:56:16 +0200, 'Joerg Roedel' wrote:
> On Fri, Aug 09, 2013 at 09:55:30AM +0200, Tomasz Figa wrote:
> > Oh, this is a valid point, but it was more a nitpick about the coding
> > style. Single path error handling (with goto) is widely used in the kernel
> > in cases when more
On Wed, 14 Aug 2013 13:54:53 -0700, Grant Grundler wrote:
> On Wed, Aug 14, 2013 at 3:49 AM, Joerg Roedel wrote:
> > On Thu, Aug 08, 2013 at 11:28:44AM -0700, Grant Grundler wrote:
> >> I can't speak to the previous BUG_ON(). I believe the EADDRESSINUSE
> >> failures could be either WARN_ON or
On Wed, 14 Aug 2013 13:54:53 -0700, Grant Grundler wrote:
On Wed, Aug 14, 2013 at 3:49 AM, Joerg Roedel j...@8bytes.org wrote:
On Thu, Aug 08, 2013 at 11:28:44AM -0700, Grant Grundler wrote:
I can't speak to the previous BUG_ON(). I believe the EADDRESSINUSE
failures could be either WARN_ON
On Wed, 14 Aug 2013 12:56:16 +0200, 'Joerg Roedel' wrote:
On Fri, Aug 09, 2013 at 09:55:30AM +0200, Tomasz Figa wrote:
Oh, this is a valid point, but it was more a nitpick about the coding
style. Single path error handling (with goto) is widely used in the kernel
in cases when more than
On Wed, 14 Aug 2013 15:15:49 +0200, 'Joerg Roedel' wrote:
KyongHo,
On Fri, Jul 26, 2013 at 07:46:01PM +0900, Cho KyongHo wrote:
__sysmmu_enable() must return 1 if it is called with the same page table.
I have fixed it exynos_iommu_attach_device() to always return zero on
success
On Fri, 09 Aug 2013 10:30:11 +0200, Tomasz Figa wrote:
> On Friday 09 of August 2013 15:37:30 Cho KyongHo wrote:
> > On Fri, 09 Aug 2013 00:41:25 +0200, Tomasz Figa wrote:
> > > Hi KyongHo,
> > >
> > > On Thursday 08 of August 2013 18:38:49 Cho KyongHo wrote:
On Fri, 09 Aug 2013 11:35:20 +0200, Tomasz Figa wrote:
> On Friday 09 of August 2013 17:51:56 Cho KyongHo wrote:
> > On Fri, 09 Aug 2013 09:55:30 +0200, Tomasz Figa wrote:
> > > Hi KyongHo,
> > >
> > > On Friday 09 of August 2013 14:58:49 Cho KyongHo wrote:
On Fri, 09 Aug 2013 10:32:40 +0200, Tomasz Figa wrote:
> On Friday 09 of August 2013 16:49:43 Cho KyongHo wrote:
> > On Fri, 09 Aug 2013 01:03:05 +0200, Tomasz Figa wrote:
> > > Hi KyongHo,
> > >
> > > nit: Please drop the trailing dot at the end of patch
On Fri, 09 Aug 2013 10:32:40 +0200, Tomasz Figa wrote:
On Friday 09 of August 2013 16:49:43 Cho KyongHo wrote:
On Fri, 09 Aug 2013 01:03:05 +0200, Tomasz Figa wrote:
Hi KyongHo,
nit: Please drop the trailing dot at the end of patch subject.
Oh. I didn't catch that.
Thank you
On Fri, 09 Aug 2013 11:35:20 +0200, Tomasz Figa wrote:
On Friday 09 of August 2013 17:51:56 Cho KyongHo wrote:
On Fri, 09 Aug 2013 09:55:30 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Friday 09 of August 2013 14:58:49 Cho KyongHo wrote:
On Thu, 08 Aug 2013 16:00:18 +0200, Tomasz Figa
On Fri, 09 Aug 2013 10:30:11 +0200, Tomasz Figa wrote:
On Friday 09 of August 2013 15:37:30 Cho KyongHo wrote:
On Fri, 09 Aug 2013 00:41:25 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Thursday 08 of August 2013 18:38:49 Cho KyongHo wrote:
This commit adds device tree support
On Fri, 09 Aug 2013 10:04:03 +0200, Tomasz Figa wrote:
> On Friday 09 of August 2013 15:15:57 Cho KyongHo wrote:
> > On Fri, 09 Aug 2013 00:26:51 +0200, Tomasz Figa wrote:
> > > Hi KyongHo,
> > >
> > > On Thursday 08 of August 2013 18:38:35 Cho KyongHo wrote
On Fri, 09 Aug 2013 09:55:30 +0200, Tomasz Figa wrote:
> Hi KyongHo,
>
> On Friday 09 of August 2013 14:58:49 Cho KyongHo wrote:
> > On Thu, 08 Aug 2013 16:00:18 +0200, Tomasz Figa wrote:
> > > On Thursday 08 of August 2013 18:38:04 Cho KyongHo wrote:
> > > >
On Fri, 09 Aug 2013 09:47:28 +0200, Tomasz Figa wrote:
> Hi KyongHo,
>
> On Friday 09 of August 2013 13:15:20 Cho KyongHo wrote:
> > On Thu, 08 Aug 2013 15:54:50 +0200, Tomasz Figa wrote:
> > > On Thursday 08 of August 2013 18:37:43 Cho KyongHo wrote:
> > > &g
On Fri, 09 Aug 2013 01:03:05 +0200, Tomasz Figa wrote:
> Hi KyongHo,
>
> nit: Please drop the trailing dot at the end of patch subject.
>
Oh. I didn't catch that.
Thank you.
> On Thursday 08 of August 2013 18:41:17 Cho KyongHo wrote:
> > This adds support for Adv
On Fri, 09 Aug 2013 00:45:17 +0200, Tomasz Figa wrote:
> Hi KyongHo,
>
> On Thursday 08 of August 2013 18:39:05 Cho KyongHo wrote:
> > This patch gates clocks of master H/W as well as clocks of System MMU
> > if master clocks are specified.
> >
> > Some Exynos
On Fri, 09 Aug 2013 00:41:25 +0200, Tomasz Figa wrote:
> Hi KyongHo,
>
> On Thursday 08 of August 2013 18:38:49 Cho KyongHo wrote:
> > This commit adds device tree support for System MMU.
> > This also include the following changes and enhancements:
> >
> > * us
On Fri, 09 Aug 2013 00:26:51 +0200, Tomasz Figa wrote:
> Hi KyongHo,
>
> On Thursday 08 of August 2013 18:38:35 Cho KyongHo wrote:
> > Signed-off-by: Cho KyongHo
> > ---
> > .../bindings/iommu/samsung,exynos4210-sysmmu.txt | 103 +++
> >
On Thu, 08 Aug 2013 16:00:18 +0200, Tomasz Figa wrote:
> On Thursday 08 of August 2013 18:38:04 Cho KyongHo wrote:
> > Since kmalloc() does not guarantee that the allignment of 1KiB when it
> > allocates 1KiB, it is required to allocate lv2 page table from own
> > slab that
On Thu, 08 Aug 2013 16:00:18 +0200, Tomasz Figa wrote:
On Thursday 08 of August 2013 18:38:04 Cho KyongHo wrote:
Since kmalloc() does not guarantee that the allignment of 1KiB when it
allocates 1KiB, it is required to allocate lv2 page table from own
slab that guarantees alignment of 1KiB
On Fri, 09 Aug 2013 00:26:51 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Thursday 08 of August 2013 18:38:35 Cho KyongHo wrote:
Signed-off-by: Cho KyongHo pullip@samsung.com
---
.../bindings/iommu/samsung,exynos4210-sysmmu.txt | 103 +++
arch/arm/boot/dts/exynos4.dtsi
On Fri, 09 Aug 2013 00:41:25 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Thursday 08 of August 2013 18:38:49 Cho KyongHo wrote:
This commit adds device tree support for System MMU.
This also include the following changes and enhancements:
* use managed device helper functions
On Fri, 09 Aug 2013 00:45:17 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Thursday 08 of August 2013 18:39:05 Cho KyongHo wrote:
This patch gates clocks of master H/W as well as clocks of System MMU
if master clocks are specified.
Some Exynos SoCs (i.e. GScalers in Exynos5250) have
On Fri, 09 Aug 2013 01:03:05 +0200, Tomasz Figa wrote:
Hi KyongHo,
nit: Please drop the trailing dot at the end of patch subject.
Oh. I didn't catch that.
Thank you.
On Thursday 08 of August 2013 18:41:17 Cho KyongHo wrote:
This adds support for Advance Power Management and Runtime
On Fri, 09 Aug 2013 09:47:28 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Friday 09 of August 2013 13:15:20 Cho KyongHo wrote:
On Thu, 08 Aug 2013 15:54:50 +0200, Tomasz Figa wrote:
On Thursday 08 of August 2013 18:37:43 Cho KyongHo wrote:
This prevents allocating lv2 page table
On Fri, 09 Aug 2013 09:55:30 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Friday 09 of August 2013 14:58:49 Cho KyongHo wrote:
On Thu, 08 Aug 2013 16:00:18 +0200, Tomasz Figa wrote:
On Thursday 08 of August 2013 18:38:04 Cho KyongHo wrote:
Since kmalloc() does not guarantee
On Fri, 09 Aug 2013 10:04:03 +0200, Tomasz Figa wrote:
On Friday 09 of August 2013 15:15:57 Cho KyongHo wrote:
On Fri, 09 Aug 2013 00:26:51 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Thursday 08 of August 2013 18:38:35 Cho KyongHo wrote:
Signed-off-by: Cho KyongHo pullip
On Thu, 08 Aug 2013 15:54:50 +0200, Tomasz Figa wrote:
> On Thursday 08 of August 2013 18:37:43 Cho KyongHo wrote:
> > This prevents allocating lv2 page table for the lv1 page table entry
> ^ What this is this this about? :)
>
As you might indicate, 'this' means this patch :)
&
On Thu, 08 Aug 2013 15:42:24 +0200, Tomasz Figa wrote:
> Hi KyongHo,
>
> On Thursday 08 of August 2013 18:37:25 Cho KyongHo wrote:
> > This commit remove which is removed.
>
> I would prefer a more meaningful commit message, something among following
> lines:
>
On Thu, 08 Aug 2013 15:44:09 +0200, Tomasz Figa wrote:
> On Thursday 08 of August 2013 18:37:34 Cho KyongHo wrote:
> > This commit adds cache flush for removed small and large page entries
> > in exynos_iommu_unmap(). Missing cache flush of removed page table
> > entries c
On Thu, 08 Aug 2013 22:43:43 +0100, Will Deacon wrote:
> On Thu, Aug 08, 2013 at 10:38:10PM +0100, Tomasz Figa wrote:
> > On Thursday 08 of August 2013 08:09:49 Rob Herring wrote:
> > > On Thu, Aug 1, 2013 at 8:05 AM, Cho KyongHo
> > wrote:
> > > > Should thi
e order of patches.
Thank you.
KyongHo.
> Best regards,
> Tomasz
>
> On Thursday 08 of August 2013 18:37:10 Cho KyongHo wrote:
> > The current exynos-iommu(System MMU) driver does not work autonomously
> > since it is lack of support for power management of peripheral
On Thu, 08 Aug 2013 13:40:13 +0200, Tomasz Figa wrote:
> On Thursday 08 of August 2013 13:17:34 Sylwester Nawrocki wrote:
> > On 08/08/2013 11:38 AM, Cho KyongHo wrote:
> > > This adds gate clocks of all System MMUs and their master IPs
> > > that are not apeared in
On Thu, 08 Aug 2013 12:45:34 +0200, Sylwester Nawrocki wrote:
> Hi,
>
> On 08/08/2013 11:38 AM, Cho KyongHo wrote:
>
> How about something along the lines of:
>
> "This patch adds dts entries for the SYSMMU devices found on Exynos4
> and Exynos5 SoC series and the
Grundler
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 13 +++--
1 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 2d16fc0..d959e95 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu
/O power domain, its driver must
call iommu_attach_device() after its local power domain is turned on,
iommu_detach_device before turned off.
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 235 +-
1 files changed, 231 insertions(+), 4
Since acquiring read_lock is not more frequent than write_lock, it is
not beneficial to use rwlock, this commit changes rwlock to spinlock.
Reviewed-by: Grant Grundler
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 36 ++--
1 files changed, 18
master
H/W's transaction. This new feature is enabled by default and QoS
value written to MMU_CFG is ignored.
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 20 +---
1 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b
attached to iommu_domain is now master H/W.
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 435 --
1 files changed, 291 insertions(+), 144 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 686e3c8..8240f7f
This commit removes custom fault handler. The device drivers that
need to register fault handler can register
with iommu_set_fault_handler().
Reviewed-by: Grant Grundler
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 71 ++
1 files
to exynos-iommu
driver.
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 20
1 files changed, 0 insertions(+), 20 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index e8f3e82..686e3c8 100644
--- a/drivers/iommu/exynos-iommu.c
Signed-off-by: Cho KyongHo
---
.../bindings/iommu/samsung,exynos4210-sysmmu.txt | 103 +++
arch/arm/boot/dts/exynos4.dtsi | 122
arch/arm/boot/dts/exynos4210.dtsi | 25 ++
arch/arm/boot/dts/exynos4x12.dtsi | 82
is prohibited unless
both of the gating clocks of System MMU and its master H/W.
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 38 ++
1 files changed, 34 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos
Prefetch buffer must be handled accurately, exact range of a buffer,
frame by frame manually. Otherwise, it may causes page fault or
deadlock in System MMU.
Thus this patch removes prefetch buffer setting when System MMU is
initialized(enabled).
Signed-off-by: Cho KyongHo
---
drivers/iommu
Since kmalloc() does not guarantee that the allignment of 1KiB when it
allocates 1KiB, it is required to allocate lv2 page table from own
slab that guarantees alignment of 1KiB
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 24
1 files changed, 20
a single clock descriptor to make a device descriptor for a group of
System MMUs.
* removed dbgname member from sysmmu_drvdata structure.
debugging kernel message for a System MMU is distinguisheable with the
name of device descroptors.
Signed-off-by: Cho KyongHo
---
drivers/iommu/Kconfig
This adds gate clocks of all System MMUs and their master IPs
that are not apeared in clk-exynos5250.c
Also fixes GATE_IP_ACP to 0x18800 and changed GATE_DA to GATE
for System MMU clocks in clk-exynos4.c
Signed-off-by: Cho KyongHo
---
.../devicetree/bindings/clock/exynos5250-clock.txt | 26
This commit adds cache flush for removed small and large page entries
in exynos_iommu_unmap(). Missing cache flush of removed page table
entries can cause missing page fault interrupt when a master IP
accesses an unmapped area.
Tested-by: Grant Grundler
Signed-off-by: Cho KyongHo
---
drivers
This commit remove which is removed.
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c |3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 3f32d64..233f382 100644
--- a/drivers/iommu/exynos
This prevents allocating lv2 page table for the lv1 page table entry
that already has 1MB page mapping. In addition, changed to BUG_ON
instead of returning -EADDRINUSE.
Signed-off-by: Cho KyongHo
---
drivers/iommu/exynos-iommu.c | 68 -
1 files changed
The current exynos-iommu(System MMU) driver does not work autonomously
since it is lack of support for power management of peripheral blocks.
For example, MFC device driver must ensure that its System MMU is disabled
before MFC block is power-down not to invalidate IOTLB in the System MMU
when I/O
The current exynos-iommu(System MMU) driver does not work autonomously
since it is lack of support for power management of peripheral blocks.
For example, MFC device driver must ensure that its System MMU is disabled
before MFC block is power-down not to invalidate IOTLB in the System MMU
when I/O
This prevents allocating lv2 page table for the lv1 page table entry
that already has 1MB page mapping. In addition, changed to BUG_ON
instead of returning -EADDRINUSE.
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 68
This commit remove mach/sysmmu.h which is removed.
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c |3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 3f32d64..233f382
This commit adds cache flush for removed small and large page entries
in exynos_iommu_unmap(). Missing cache flush of removed page table
entries can cause missing page fault interrupt when a master IP
accesses an unmapped area.
Tested-by: Grant Grundler grund...@chromium.org
Signed-off-by: Cho
This adds gate clocks of all System MMUs and their master IPs
that are not apeared in clk-exynos5250.c
Also fixes GATE_IP_ACP to 0x18800 and changed GATE_DA to GATE
for System MMU clocks in clk-exynos4.c
Signed-off-by: Cho KyongHo pullip@samsung.com
---
.../devicetree/bindings/clock
Since kmalloc() does not guarantee that the allignment of 1KiB when it
allocates 1KiB, it is required to allocate lv2 page table from own
slab that guarantees alignment of 1KiB
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 24
1
a single clock descriptor to make a device descriptor for a group of
System MMUs.
* removed dbgname member from sysmmu_drvdata structure.
debugging kernel message for a System MMU is distinguisheable with the
name of device descroptors.
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers
Prefetch buffer must be handled accurately, exact range of a buffer,
frame by frame manually. Otherwise, it may causes page fault or
deadlock in System MMU.
Thus this patch removes prefetch buffer setting when System MMU is
initialized(enabled).
Signed-off-by: Cho KyongHo pullip@samsung.com
Signed-off-by: Cho KyongHo pullip@samsung.com
---
.../bindings/iommu/samsung,exynos4210-sysmmu.txt | 103 +++
arch/arm/boot/dts/exynos4.dtsi | 122
arch/arm/boot/dts/exynos4210.dtsi | 25 ++
arch/arm/boot/dts/exynos4x12.dtsi
is prohibited unless
both of the gating clocks of System MMU and its master H/W.
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 38 ++
1 files changed, 34 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b
attached to iommu_domain is now master H/W.
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 435 --
1 files changed, 291 insertions(+), 144 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
This commit removes custom fault handler. The device drivers that
need to register fault handler can register
with iommu_set_fault_handler().
Reviewed-by: Grant Grundler grund...@chromium.org
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 71
master
H/W's transaction. This new feature is enabled by default and QoS
value written to MMU_CFG is ignored.
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 20 +---
1 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu
to exynos-iommu
driver.
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 20
1 files changed, 0 insertions(+), 20 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index e8f3e82..686e3c8 100644
Since acquiring read_lock is not more frequent than write_lock, it is
not beneficial to use rwlock, this commit changes rwlock to spinlock.
Reviewed-by: Grant Grundler grund...@chromium.org
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 36
/O power domain, its driver must
call iommu_attach_device() after its local power domain is turned on,
iommu_detach_device before turned off.
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 235 +-
1 files changed, 231
Grundler grund...@chromium.org
Signed-off-by: Cho KyongHo pullip@samsung.com
---
drivers/iommu/exynos-iommu.c | 13 +++--
1 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 2d16fc0..d959e95 100644
--- a/drivers
On Thu, 08 Aug 2013 12:45:34 +0200, Sylwester Nawrocki wrote:
Hi,
On 08/08/2013 11:38 AM, Cho KyongHo wrote:
How about something along the lines of:
This patch adds dts entries for the SYSMMU devices found on Exynos4
and Exynos5 SoC series and the SYSMMU binding documentation
On Thu, 08 Aug 2013 13:40:13 +0200, Tomasz Figa wrote:
On Thursday 08 of August 2013 13:17:34 Sylwester Nawrocki wrote:
On 08/08/2013 11:38 AM, Cho KyongHo wrote:
This adds gate clocks of all System MMUs and their master IPs
that are not apeared in clk-exynos5250.c
Also fixes
.
Best regards,
Tomasz
On Thursday 08 of August 2013 18:37:10 Cho KyongHo wrote:
The current exynos-iommu(System MMU) driver does not work autonomously
since it is lack of support for power management of peripheral blocks.
For example, MFC device driver must ensure that its System MMU
On Thu, 08 Aug 2013 22:43:43 +0100, Will Deacon wrote:
On Thu, Aug 08, 2013 at 10:38:10PM +0100, Tomasz Figa wrote:
On Thursday 08 of August 2013 08:09:49 Rob Herring wrote:
On Thu, Aug 1, 2013 at 8:05 AM, Cho KyongHo pullip@samsung.com
wrote:
Should this align with ARM System MMU
On Thu, 08 Aug 2013 15:44:09 +0200, Tomasz Figa wrote:
On Thursday 08 of August 2013 18:37:34 Cho KyongHo wrote:
This commit adds cache flush for removed small and large page entries
in exynos_iommu_unmap(). Missing cache flush of removed page table
entries can cause missing page fault
On Thu, 08 Aug 2013 15:42:24 +0200, Tomasz Figa wrote:
Hi KyongHo,
On Thursday 08 of August 2013 18:37:25 Cho KyongHo wrote:
This commit remove mach/sysmmu.h which is removed.
I would prefer a more meaningful commit message, something among following
lines:
8---
Commit 25e9d28d92
On Thu, 08 Aug 2013 15:54:50 +0200, Tomasz Figa wrote:
On Thursday 08 of August 2013 18:37:43 Cho KyongHo wrote:
This prevents allocating lv2 page table for the lv1 page table entry
^ What this is this this about? :)
As you might indicate, 'this' means this patch :)
that already has 1MB
> -Original Message-
> From: grund...@google.com [mailto:grund...@google.com] On Behalf Of Grant
> Grundler
> Sent: Thursday, August 08, 2013 1:21 AM
>
> On Wed, Aug 7, 2013 at 5:07 AM, Cho KyongHo wrote:
> ...
> >> I don't understand how this is
> -Original Message-
> From: grund...@google.com [mailto:grund...@google.com] On Behalf Of Grant
> Grundler
> Sent: Wednesday, August 07, 2013 1:07 AM
> To: Marek Szyprowski
>
> Hi Marek,
>
> On Tue, Aug 6, 2013 at 6:17 AM, Marek Szyprowski
> wrote:
> ...
> > IMHO it is much better to
-Original Message-
From: grund...@google.com [mailto:grund...@google.com] On Behalf Of Grant
Grundler
Sent: Wednesday, August 07, 2013 1:07 AM
To: Marek Szyprowski
Hi Marek,
On Tue, Aug 6, 2013 at 6:17 AM, Marek Szyprowski
m.szyprow...@samsung.com wrote:
...
IMHO it is much
-Original Message-
From: grund...@google.com [mailto:grund...@google.com] On Behalf Of Grant
Grundler
Sent: Thursday, August 08, 2013 1:21 AM
On Wed, Aug 7, 2013 at 5:07 AM, Cho KyongHo pullip@samsung.com wrote:
...
I don't understand how this is possible. Can someone
> -Original Message-
> From: Bartlomiej Zolnierkiewicz [mailto:b.zolnier...@samsung.com]
> Sent: Monday, August 05, 2013 10:10 PM
>
> On Monday, August 05, 2013 08:16:40 PM Cho KyongHo wrote:
> > > -Original Message-
> > > From: Bartlomiej
2013 at 9:08 AM, Grant Grundler wrote:
> > exynos_sysmmu_set_prefbuf() is not called any where.
> >
> > Signed-off-by: Grant Grundler
Reviewed-by: Cho KyongHo
Thank you.
KyongHo.
> > ---
> > drivers/iommu/exynos-iommu.c | 44
> >
>
:
exynos_sysmmu_set_prefbuf() is not called any where.
Signed-off-by: Grant Grundler grund...@chromium.org
Reviewed-by: Cho KyongHo pullip@samsung.com
Thank you.
KyongHo.
---
drivers/iommu/exynos-iommu.c | 44
1 file changed, 44 deletions
-Original Message-
From: Bartlomiej Zolnierkiewicz [mailto:b.zolnier...@samsung.com]
Sent: Monday, August 05, 2013 10:10 PM
On Monday, August 05, 2013 08:16:40 PM Cho KyongHo wrote:
-Original Message-
From: Bartlomiej Zolnierkiewicz [mailto:b.zolnier...@samsung.com
> -Original Message-
> From: Bartlomiej Zolnierkiewicz [mailto:b.zolnier...@samsung.com]
> Sent: Saturday, August 03, 2013 2:32 AM
>
> Hi,
>
> On Friday, July 26, 2013 08:30:17 PM Cho KyongHo wrote:
> > When a device driver is registered, all cons
> -Original Message-
> From: Bartlomiej Zolnierkiewicz [mailto:b.zolnier...@samsung.com]
> Sent: Saturday, August 03, 2013 2:14 AM
>
> Hi,
>
> On Friday, July 26, 2013 08:28:19 PM Cho KyongHo wrote:
> > Signed-off-by: Cho KyongHo
> > ---
> >
-Original Message-
From: Bartlomiej Zolnierkiewicz [mailto:b.zolnier...@samsung.com]
Sent: Saturday, August 03, 2013 2:14 AM
Hi,
On Friday, July 26, 2013 08:28:19 PM Cho KyongHo wrote:
Signed-off-by: Cho KyongHo pullip@samsung.com
---
.../bindings/iommu/samsung
-Original Message-
From: Bartlomiej Zolnierkiewicz [mailto:b.zolnier...@samsung.com]
Sent: Saturday, August 03, 2013 2:32 AM
Hi,
On Friday, July 26, 2013 08:30:17 PM Cho KyongHo wrote:
When a device driver is registered, all constructs to handle System MMU
is prepared by bus
> -Original Message-
> From: Rahul Sharma [mailto:r.sh.o...@gmail.com]
> Sent: Friday, August 02, 2013 2:18 PM
>
> Hi Cho,
>
> On Fri, Jul 26, 2013 at 5:00 PM, Cho KyongHo wrote:
> > When a device driver is registered, all constructs to handle System MMU
>
-Original Message-
From: Rahul Sharma [mailto:r.sh.o...@gmail.com]
Sent: Friday, August 02, 2013 2:18 PM
Hi Cho,
On Fri, Jul 26, 2013 at 5:00 PM, Cho KyongHo pullip@samsung.com wrote:
When a device driver is registered, all constructs to handle System MMU
is prepared
> -Original Message-
> From: Tomasz Figa [mailto:tomasz.f...@gmail.com]
> Sent: Saturday, July 27, 2013 11:07 PM
>
> Hi,
>
> On Friday 26 of July 2013 20:28:36 Cho KyongHo wrote:
> > This commit adds device tree support for System MMU.
> > This a
> -Original Message-
> From: Sachin Kamat [mailto:sachin.ka...@linaro.org]
> Sent: Monday, July 29, 2013 5:05 PM
>
> On 29 July 2013 13:27, Cho KyongHo wrote:
> >> -Original Message-
> >> From: Cho KyongHo [mailto:pullip@samsung.com]
> &g
> -Original Message-
> From: Rob Herring [mailto:robherri...@gmail.com]
> Sent: Saturday, July 27, 2013 10:55 PM
> On Fri, Jul 26, 2013 at 6:28 AM, Cho KyongHo wrote:
> > Signed-off-by: Cho KyongHo
> > ---
> > .../bindings/iommu/samsung,exynos4210-sysmmu.
> -Original Message-
> From: Rahul Sharma [mailto:r.sh.o...@gmail.com]
> Sent: Thursday, August 01, 2013 7:22 PM
>
> Hi Cho,
>
> On Tue, Jul 30, 2013 at 4:47 PM, Cho KyongHo wrote:
> >> -Original Message-
> >> From: Mike Turquette [
-Original Message-
From: Rahul Sharma [mailto:r.sh.o...@gmail.com]
Sent: Thursday, August 01, 2013 7:22 PM
Hi Cho,
On Tue, Jul 30, 2013 at 4:47 PM, Cho KyongHo pullip@samsung.com wrote:
-Original Message-
From: Mike Turquette [mailto:mturque...@linaro.org]
Sent
-Original Message-
From: Rob Herring [mailto:robherri...@gmail.com]
Sent: Saturday, July 27, 2013 10:55 PM
On Fri, Jul 26, 2013 at 6:28 AM, Cho KyongHo pullip@samsung.com wrote:
Signed-off-by: Cho KyongHo pullip@samsung.com
---
.../bindings/iommu/samsung,exynos4210
-Original Message-
From: Sachin Kamat [mailto:sachin.ka...@linaro.org]
Sent: Monday, July 29, 2013 5:05 PM
On 29 July 2013 13:27, Cho KyongHo pullip@samsung.com wrote:
-Original Message-
From: Cho KyongHo [mailto:pullip@samsung.com]
Sent: Monday, July 29, 2013 4
-Original Message-
From: Tomasz Figa [mailto:tomasz.f...@gmail.com]
Sent: Saturday, July 27, 2013 11:07 PM
Hi,
On Friday 26 of July 2013 20:28:36 Cho KyongHo wrote:
This commit adds device tree support for System MMU.
This also include the following changes and enhancements
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