> -Original Message-
> From: Will Deacon [mailto:will.dea...@arm.com]
> Sent: Wednesday, September 12, 2018 10:29 PM
> To: Nipun Gupta
> Cc: j...@8bytes.org; robin.mur...@arm.com; robh...@kernel.org;
> r...@kernel.org; mark.rutl...@arm.com; catalin.mari
fsl-mc bus support the new iommu-map property. Comply to this binding
for fsl_mc bus.
Signed-off-by: Nipun Gupta
Reviewed-by: Laurentiu Tudor
---
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts
of_dma_configure() API expects coherent_dma_mask to be correctly
set in the devices. This patch does the needful.
Signed-off-by: Nipun Gupta
Reviewed-by: Robin Murphy
---
drivers/bus/fsl-mc/fsl-mc-bus.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b
iommu-map property is also used by devices with fsl-mc. This
patch moves the of_pci_map_rid to generic location, so that it
can be used by other busses too.
'of_pci_map_rid' is renamed here to 'of_map_rid' and there is no
functional change done in the API.
Signed-off-by: Nipu
The existing IOMMU bindings cannot be used to specify the relationship
between fsl-mc devices and IOMMUs. This patch adds a generic binding for
mapping fsl-mc devices to IOMMUs, using iommu-map property.
Signed-off-by: Nipun Gupta
Reviewed-by: Rob Herring
Acked-by: Robin Murphy
This patch adds support of dma configuration for devices on fsl-mc
bus using 'dma_configure' callback for busses. Also, directly calling
arch_setup_dma_ops is removed from the fsl-mc bus.
Signed-off-by: Nipun Gupta
Reviewed-by: Laurentiu Tudor
Reviewed-by: Robin Murphy
---
drivers/
Implement bus specific support for the fsl-mc bus including
registering arm_smmu_ops and bus specific device add operations.
Signed-off-by: Nipun Gupta
Reviewed-by: Robin Murphy
---
drivers/iommu/arm-smmu.c | 7 +++
drivers/iommu/iommu.c| 13 +
include/linux/fsl/mc.h
With of_pci_map_rid available for all the busses, use the function
for configuration of devices on fsl-mc bus
Signed-off-by: Nipun Gupta
Reviewed-by: Robin Murphy
---
drivers/iommu/of_iommu.c | 20
1 file changed, 20 insertions(+)
diff --git a/drivers/iommu/of_iommu.c b
nges in v6:
- Updated fsl_mc_device_group() API to be more rational
- Added dma-coherent property in the LS2 smmu device node
- Minor fixes in the device-tree documentation
Changes in v7:
- Rebased over linux 4.19
Nipun Gupta (7):
Documentation: fsl-mc: add iommu-map device-tree binding
Hi Joerg/Robin,
Can you please let me know when these patches will be applied onto the tree.
Is there anything else pending from my side.
Thanks,
Nipun
> -Original Message-
> From: Nipun Gupta
> Sent: Monday, July 9, 2018 4:48 PM
> To: robin.mur...@arm.com; will.dea...@a
fsl-mc bus support the new iommu-map property. Comply to this binding
for fsl_mc bus.
Signed-off-by: Nipun Gupta
Reviewed-by: Laurentiu Tudor
---
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts
of_dma_configure() API expects coherent_dma_mask to be correctly
set in the devices. This patch does the needful.
Signed-off-by: Nipun Gupta
Reviewed-by: Robin Murphy
---
drivers/bus/fsl-mc/fsl-mc-bus.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b
This patch adds support of dma configuration for devices on fsl-mc
bus using 'dma_configure' callback for busses. Also, directly calling
arch_setup_dma_ops is removed from the fsl-mc bus.
Signed-off-by: Nipun Gupta
Reviewed-by: Laurentiu Tudor
---
drivers/bus/fsl-mc/fsl-mc-
Implement bus specific support for the fsl-mc bus including
registering arm_smmu_ops and bus specific device add operations.
Signed-off-by: Nipun Gupta
---
drivers/iommu/arm-smmu.c | 7 +++
drivers/iommu/iommu.c| 13 +
include/linux/fsl/mc.h | 8
include/linux
With of_pci_map_rid available for all the busses, use the function
for configuration of devices on fsl-mc bus
Signed-off-by: Nipun Gupta
Reviewed-by: Robin Murphy
---
drivers/iommu/of_iommu.c | 20
1 file changed, 20 insertions(+)
diff --git a/drivers/iommu/of_iommu.c b
iommu-map property is also used by devices with fsl-mc. This
patch moves the of_pci_map_rid to generic location, so that it
can be used by other busses too.
'of_pci_map_rid' is renamed here to 'of_map_rid' and there is no
functional change done in the API.
Signed-off-by: Nipu
h 5 in two separate patches (now patch 5/7 and patch 6/7)
- add changelog text in patch 3/7 and patch 5/7
- typo fix
Changes in v6:
- Updated fsl_mc_device_group() API to be more rational
- Added dma-coherent property in the LS2 smmu device node
- Minor fixes in the device-tree documentation
N
The existing IOMMU bindings cannot be used to specify the relationship
between fsl-mc devices and IOMMUs. This patch adds a generic binding for
mapping fsl-mc devices to IOMMUs, using iommu-map property.
Signed-off-by: Nipun Gupta
Reviewed-by: Rob Herring
---
.../devicetree/bindings/misc/fsl
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Tuesday, July 3, 2018 10:06 PM
> To: Nipun Gupta ; will.dea...@arm.com;
> robh...@kernel.org; r...@kernel.org; mark.rutl...@arm.com;
> catalin.mari...@arm.com; gre...@linuxfoundation.or
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Tuesday, July 3, 2018 9:44 PM
> To: Nipun Gupta ; will.dea...@arm.com;
> robh...@kernel.org; r...@kernel.org; mark.rutl...@arm.com;
> catalin.mari...@arm.com; gre...@linuxfoundation.or
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Tuesday, July 3, 2018 8:10 PM
> To: Nipun Gupta ; will.dea...@arm.com;
> robh...@kernel.org; r...@kernel.org; mark.rutl...@arm.com;
> catalin.mari...@arm.com; gre...@linuxfoundation.or
Thanks Joro,
I will be sending it by mid of next week.
Regards,
Nipun
> -Original Message-
> From: j...@8bytes.org [mailto:j...@8bytes.org]
> Sent: Friday, July 6, 2018 4:43 PM
> To: Nipun Gupta
> Cc: robin.mur...@arm.com; will.dea...@arm.com;
> gre...@linu
Hi Robin/Greg k-h,
Will this patch-set be taken for the next kernel release (and via which tree)?
Thanks,
Nipun
> -Original Message-
> From: Nipun Gupta
> Sent: Sunday, May 20, 2018 7:20 PM
> To: robin.mur...@arm.com; will.dea...@arm.com; robh...@kernel.org;
> r...@kernel
fsl-mc bus support the new iommu-map property. Comply to this binding
for fsl_mc bus.
Signed-off-by: Nipun Gupta
Reviewed-by: Laurentiu Tudor
---
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts
of_dma_configure() API expects coherent_dma_mask to be correctly
set in the devices. This patch does the needful.
Signed-off-by: Nipun Gupta
---
drivers/bus/fsl-mc/fsl-mc-bus.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
This patch adds support of dma configuration for devices on fsl-mc
bus using 'dma_configure' callback for busses. Also, directly calling
arch_setup_dma_ops is removed from the fsl-mc bus.
Signed-off-by: Nipun Gupta
Reviewed-by: Laurentiu Tudor
---
drivers/bus/fsl-mc/fsl-mc-
Implement bus specific support for the fsl-mc bus including
registering arm_smmu_ops and bus specific device add operations.
Signed-off-by: Nipun Gupta
---
drivers/iommu/arm-smmu.c | 7 +++
drivers/iommu/iommu.c| 21 +
include/linux/fsl/mc.h | 8
include
With of_pci_map_rid available for all the busses, use the function
for configuration of devices on fsl-mc bus
Signed-off-by: Nipun Gupta
---
drivers/iommu/of_iommu.c | 20
1 file changed, 20 insertions(+)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
iommu-map property is also used by devices with fsl-mc. This
patch moves the of_pci_map_rid to generic location, so that it
can be used by other busses too.
'of_pci_map_rid' is renamed here to 'of_map_rid' and there is no
functional change done in the API.
Signed-off-by: Nipu
The existing IOMMU bindings cannot be used to specify the relationship
between fsl-mc devices and IOMMUs. This patch adds a generic binding for
mapping fsl-mc devices to IOMMUs, using iommu-map property.
Signed-off-by: Nipun Gupta
Reviewed-by: Rob Herring
---
.../devicetree/bindings/misc/fsl
h 5 in two separate patches (now patch 5/7 and patch 6/7)
- add changelog text in patch 3/7 and patch 5/7
- typo fix
Nipun Gupta (7):
Docs: dt: add fsl-mc iommu-map device-tree binding
iommu: of: make of_pci_map_rid() available for other devices too
iommu: support iommu configuration for fsl-
> -Original Message-
> From: Laurentiu Tudor
> Sent: Monday, May 14, 2018 7:10 PM
> To: Nipun Gupta ; robin.mur...@arm.com;
> will.dea...@arm.com; mark.rutl...@arm.com; catalin.mari...@arm.com
> Cc: h...@lst.de; gre...@linuxfoundation.org; j...@8bytes.org;
> robh...@
Implement bus specific support for the fsl-mc bus including
registering arm_smmu_ops and bus specific device add operations.
Signed-off-by: Nipun Gupta
---
drivers/iommu/arm-smmu.c | 7 +++
drivers/iommu/iommu.c| 21 +
include/linux/fsl/mc.h | 8
include
fsl-mc bus support the new iommu-map property. Comply to this binding
for fsl_mc bus.
Signed-off-by: Nipun Gupta
---
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
b/arch
iommu-map property is also used by devices with fsl-mc. This
patch moves the of_pci_map_rid to generic location, so that it
can be used by other busses too.
'of_pci_map_rid' is renamed here to 'of_map_rid' and there is no
functional change done in the API.
Signed
The existing IOMMU bindings cannot be used to specify the relationship
between fsl-mc devices and IOMMUs. This patch adds a generic binding for
mapping fsl-mc devices to IOMMUs, using iommu-map property.
Signed-off-by: Nipun Gupta
Reviewed-by: Rob Herring
---
.../devicetree/bindings/misc/fsl
Signed-off-by: Nipun Gupta
---
drivers/bus/fsl-mc/fsl-mc-bus.c | 16
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 5d8266c..624828b 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers
Signed-off-by: Nipun Gupta
---
drivers/iommu/of_iommu.c | 20
1 file changed, 20 insertions(+)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 811e160..284474d 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -24,6 +24,7
.org/patch/10317337/
and make corresponding changes for dma configuration of devices on
fsl-mc bus
Changes in v3:
- move of_map_rid in drivers/of/address.c
Changes in v4:
- move of_map_rid in drivers/of/base.c
Nipun Gupta (6):
Docs: dt: add fsl-mc iommu-map device-tree binding
> -Original Message-
> From: Rob Herring [mailto:r...@kernel.org]
> Sent: Friday, April 27, 2018 10:46 PM
> To: Nipun Gupta
> Cc: robin.mur...@arm.com; will.dea...@arm.com; mark.rutl...@arm.com;
> catalin.mari...@arm.com; h...@lst.de; gre...@linuxfoundation.org;
described by the
firmware.
Signed-off-by: Nipun Gupta
Acked-by: Bjorn Helgaas # PCI parts
---
Changes in v2:
- This is a new change suggested by Robin and Christoph
and is added to the series.
Changes in v3:
- Rebase and changes corresponding to the changes in patch 1/2
Changes in v4
ion of new busses w.r.t. adding the dma
configuration functionality.
This patch also updates the PCI, Platform, ACPI and host1x bus to
use new introduced callbacks.
Suggested-by: Christoph Hellwig
Signed-off-by: Nipun Gupta
Reviewed-by: Greg Kroah-Hartman
Acked-by: Bjorn Helgaas # PCI parts
> -Original Message-
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Monday, April 23, 2018 6:27 PM
> To: Nipun Gupta
> Cc: robin.mur...@arm.com; h...@lst.de; li...@armlinux.org.uk;
> gre...@linuxfoundation.org; m.szyprow...@samsung.com;
> bhelg...@google.
fsl-mc bus support the new iommu-map property. Comply to this binding
for fsl_mc bus.
Signed-off-by: Nipun Gupta
---
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
b/arch
iommu-map property is also used by devices with fsl-mc. This
patch moves the of_pci_map_rid to generic location, so that it
can be used by other busses too.
'of_pci_map_rid' is renamed here to 'of_map_rid' and there is no
functional change done in the API.
Signed
Signed-off-by: Nipun Gupta
---
drivers/bus/fsl-mc/fsl-mc-bus.c | 16
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 5d8266c..624828b 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers
Signed-off-by: Nipun Gupta
---
drivers/iommu/of_iommu.c | 20
1 file changed, 20 insertions(+)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index ea9ecef..3687882 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -25,6 +25,7
Implement bus specific support for the fsl-mc bus including
registering arm_smmu_ops and bus specific device add operations.
Signed-off-by: Nipun Gupta
---
drivers/iommu/arm-smmu.c | 7 +++
drivers/iommu/iommu.c| 21 +
include/linux/fsl/mc.h | 8
include
.org/patch/10317337/
and make corresponding changes for dma configuration of devices on
fsl-mc bus
Changes in v3:
- move of_map_rid in drivers/of/address.c
Nipun Gupta (6):
Docs: dt: add fsl-mc iommu-map device-tree binding
iommu: of: make of_pci_map_rid() available for other d
The existing IOMMU bindings cannot be used to specify the relationship
between fsl-mc devices and IOMMUs. This patch adds a generic binding for
mapping fsl-mc devices to IOMMUs, using iommu-map property.
Signed-off-by: Nipun Gupta
---
.../devicetree/bindings/misc/fsl,qoriq-mc.txt | 39
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Tuesday, April 17, 2018 10:23 PM
> To: Nipun Gupta ; robh...@kernel.org;
> frowand.l...@gmail.com
> Cc: will.dea...@arm.com; mark.rutl...@arm.com; catalin.mari...@arm.com;
Implement bus specific support for the fsl-mc bus including
registering arm_smmu_ops and bus specific device add operations.
Signed-off-by: Nipun Gupta
---
drivers/iommu/arm-smmu.c | 7 +++
drivers/iommu/iommu.c| 21 +
include/linux/fsl/mc.h | 8
include
Fsl-mc bus now support the iommu-map property. Comply to this binding for
fsl_mc bus. This patch also updates the dts w.r.t. the DMA configuration.
Signed-off-by: Nipun Gupta
---
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff
Signed-off-by: Nipun Gupta
---
drivers/bus/fsl-mc/fsl-mc-bus.c | 16
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 5d8266c..624828b 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers
h the SMMU using this
IOMMU binding (patch 2,3,4)
- Adds the dma configuration support for fsl-mc bus (patch 5)
- Updates the fsl-mc device node with iommu/dma related changes (patch6)
Nipun Gupta (6):
Docs: dt: add fsl-mc iommu-map device-tree binding
iommu: of: make of_pci_map_rid()
Signed-off-by: Nipun Gupta
---
drivers/iommu/of_iommu.c | 20
1 file changed, 20 insertions(+)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 4e7712f..af4fc3b 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -24,6 +24,7
iommu-map property is also used by devices with fsl-mc. This
patch moves the of_pci_map_rid to generic location, so that it
can be used by other busses too.
Signed-off-by: Nipun Gupta
---
drivers/iommu/of_iommu.c | 106 +--
drivers/of/irq.c
The existing IOMMU bindings cannot be used to specify the relationship
between fsl-mc devices and IOMMUs. This patch adds a generic binding for
mapping fsl-mc devices to IOMMUs, using iommu-map property.
Signed-off-by: Nipun Gupta
---
.../devicetree/bindings/misc/fsl,qoriq-mc.txt | 39
described by the
firmware.
Signed-off-by: Nipun Gupta
---
Changes in v2:
- This is a new change suggested by Robin and Christoph
and is added to the series.
Changes in v3:
- Rebase and changes corresponding to the changes in patch 1/2
drivers/amba/bus.c| 1 -
drivers/base/platform.c
ion of new busses w.r.t. adding the dma
configuration functionality.
This patch also updates the PCI, Platform, ACPI and host1x bus to
use new introduced callbacks.
Suggested-by: Christoph Hellwig
Signed-off-by: Nipun Gupta
Reviewed-by: Greg Kroah-Hartman
---
- The patches are based on the c
I am just going to send it within an hour :)
Thanks,
Nipun
> -Original Message-
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Friday, March 30, 2018 12:46
> To: Nipun Gupta
> Cc: h...@lst.de; robin.mur...@arm.com; li...@armlinux.org.uk;
> gre...@linuxfoundat
> -Original Message-
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Thursday, March 22, 2018 13:49
> To: Nipun Gupta
>
> > --- a/drivers/dma/qcom/hidma_mgmt.c
> > +++ b/drivers/dma/qcom/hidma_mgmt.c
> > @@ -398,7 +398,7 @@ static int __init
> -Original Message-
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Thursday, March 22, 2018 13:46
> To: Nipun Gupta
>
> > +static int amba_dma_configure(struct device *dev)
> > +{
> > + return dma_common_configure(dev);
> > +}
&g
> -Original Message-
> From: Greg KH [mailto:gre...@linuxfoundation.org]
> Sent: Wednesday, March 21, 2018 15:05
> To: Nipun Gupta
> Cc: robin.mur...@arm.com; h...@lst.de; li...@armlinux.org.uk;
> m.szyprow...@samsung.com; bhelg...@google.com; zaj...@gmail.com;
>
> -Original Message-
> From: Greg KH [mailto:gre...@linuxfoundation.org]
> Sent: Wednesday, March 21, 2018 15:00
> > +int dma_configure(struct device *dev)
> > +{
> > + if (dev->bus->dma_configure)
> > + return dev->bus->dma_configure(dev);
> > +
> > + return 0;
> > +}
>
> -Original Message-
> From: Bharat Bhushan
> Sent: Wednesday, March 21, 2018 12:49
> >
> > +int dma_configure(struct device *dev)
> > +{
> > + if (dev->bus->dma_configure)
> > + return dev->bus->dma_configure(dev);
>
> What if dma_common_configure() is called in case "bus->
addition of new busses w.r.t. adding the dma
configuration functionality.
This patch also updates the PCI, Platform, ACPI and host1x bus to
use new introduced callbacks.
Suggested-by: Christoph Hellwig
Signed-off-by: Nipun Gupta
---
- The patches are based on the comments on:
https://patch
described by the
firmware.
Signed-off-by: Nipun Gupta
---
Changes in v2:
- This is a new change suggested by Robin and Christoph
and is added to the series.
drivers/amba/bus.c| 3 +--
drivers/base/dma-mapping.c| 4 ++--
drivers/base/platform.c | 3 +--
drivers/bcma/main.c
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Tuesday, March 13, 2018 17:06
>
> On 12/03/18 15:24, Nipun Gupta wrote:
> > The change introduces 'dma_configure' & 'dma_deconfigure'as
> > bus callback fu
> -Original Message-
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Tuesday, March 13, 2018 13:05
> > +int amba_dma_configure(struct device *dev)
> > +{
> > + enum dev_dma_attr attr;
> > + int ret = 0;
> > +
> > + if (dev->of_node) {
> > + ret = of_dma_configure(de
> -Original Message-
> From: Sinan Kaya [mailto:ok...@codeaurora.org]
> Sent: Monday, March 12, 2018 22:14
> To: Nipun Gupta ; h...@lst.de;
> robin.mur...@arm.com; li...@armlinux.org.uk; gre...@linuxfoundation.org;
> m.szyprow...@samsung.com; bhelg...@google.com
e PCI, Platform and ACPI bus to use
new introduced callbacks.
Signed-off-by: Nipun Gupta
---
- This patch is based on the comments on:
https://patchwork.kernel.org/patch/10259087/
- I have validated for PCI and platform, but not for AMBA as I
do not have infrastructure to validate it.
Ca
> -Original Message-
> From: Christoph Hellwig [mailto:h...@lst.de]
> Sent: Thursday, March 08, 2018 13:11
>
> On Tue, Mar 06, 2018 at 04:41:56AM +0000, Nipun Gupta wrote:
> > Sorry for asking a trivial question - looking into dma_configure() I see
> > that
&
Hi Rob,
> -Original Message-
> From: Rob Herring [mailto:r...@kernel.org]
> Sent: Thursday, March 08, 2018 4:10
> To: Nipun Gupta
> Cc: will.dea...@arm.com; robin.mur...@arm.com; mark.rutl...@arm.com;
> catalin.mari...@arm.com; devicet...@vger.kernel.org; stuyo...@g
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Tuesday, March 06, 2018 0:22
>
> On 05/03/18 18:39, Christoph Hellwig wrote:
> > On Mon, Mar 05, 2018 at 03:48:32PM +, Robin Murphy wrote:
> >> Unfortunately for us, fsl-mc is conceptually rather like PCI in that it's
> >> software-d
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Monday, March 05, 2018 21:07
> To: Nipun Gupta ; will.dea...@arm.com;
> mark.rutl...@arm.com; catalin.mari...@arm.com
> Cc: iommu@lists.linux-foundation.org; robh...@kernel.org; h...@l
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Monday, March 05, 2018 20:23
> To: Nipun Gupta ; will.dea...@arm.com;
> mark.rutl...@arm.com; catalin.mari...@arm.com
> Cc: iommu@lists.linux-foundation.org; robh...@kernel.org; h...@l
Signed-off-by: Nipun Gupta
---
drivers/base/dma-mapping.c | 7 +++
1 file changed, 7 insertions(+)
diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index 3b11835..2279c4d 100644
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -334,6 +334,7 @@ void
Signed-off-by: Nipun Gupta
---
arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
index f3a40af..1f15492 100644
--- a/arch/arm64
The dma setup for fsl-mc devices is being done from device_add()
function. So, no need to call in mc bus driver.
Signed-off-by: Nipun Gupta
---
drivers/bus/fsl-mc/fsl-mc-bus.c | 5 +
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus
Implement bus specific support for the fsl-mc bus including
registering arm_smmu_ops and bus specific device add operations.
Signed-off-by: Nipun Gupta
---
drivers/iommu/arm-smmu.c | 7 +++
drivers/iommu/iommu.c| 21 +
include/linux/fsl/mc.h | 8
include
Signed-off-by: Nipun Gupta
---
drivers/iommu/of_iommu.c | 23 +++
1 file changed, 23 insertions(+)
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 5c36a8b..cc2fb9c 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -24,6 +24,7
The existing IOMMU bindings cannot be used to specify the relationship
between fsl-mc devices and IOMMUs. This patch adds a binding for
mapping fsl-mc devices to IOMMUs, using a new iommu-parent property.
Signed-off-by: Nipun Gupta
---
.../devicetree/bindings/misc/fsl,qoriq-mc.txt | 31
net driver functionality will break.
Nipun Gupta (6):
Docs: dt: add fsl-mc iommu-parent device-tree binding
iommu: support iommu configuration for fsl-mc devices
iommu: arm-smmu: Add support for the fsl-mc bus
bus: fsl-mc: remove dma ops setup from driver
dma-mapping: support fsl-mc bus
dts:
Thanks Robin,
This would be of great help.
Regards,
Nipun
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Thursday, March 02, 2017 22:18
> To: Nipun Gupta ; iommu@lists.linux-foundation.org;
> devicet...@vger.kernel.org
Original Message-
> From: Nipun Gupta
> Sent: Sunday, December 18, 2016 2:37
> To: Robin Murphy ; iommu@lists.linux-
> foundation.org; devicet...@vger.kernel.org; linux-arm-
> ker...@lists.infradead.org
> Cc: mark.rutl...@arm.com; will.dea...@arm.com; Stuart Yoder
>
> Subject
's add a new property to allow
> a single global mask value to better fit the latter situation.
>
> CC: Stuart Yoder
Tested-by: Nipun Gupta
> Signed-off-by: Robin Murphy
> ---
>
> Compile-tested only...
>
> Documentation/devicetree/bindings/iommu/arm,s
.
This provides a significant performance benefit for certain networking
workloads.
With this change substantial performance improvement of ~9% is observed with
DPDK l3fwd application
(http://dpdk.org/doc/guides/sample_app_ug/l3_forward.html)
on NXP's LS2088a platform.
Signed-off-by: Nipun
> -Original Message-
> From: Stuart Yoder
> Sent: Friday, November 04, 2016 2:27
> To: Nipun Gupta ; robin.mur...@arm.com;
> will.dea...@arm.com; linux-arm-ker...@lists.infradead.org;
> iommu@lists.linux-foundation.org
> Cc: Nipun Gupta
> Subject: RE: [PAT
.
This provides a significant performance benefit for certain networking
workloads.
With this change substantial performance improvement of ~9% is observed with
DPDK l3fwd application
(http://dpdk.org/doc/guides/sample_app_ug/l3_forward.html)
on NXP's LS2088a platform.
Signed-off-by: Nipun
Hi Robin,
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Thursday, November 03, 2016 16:39
> To: Nipun Gupta ; will.dea...@arm.com; linux-arm-
> ker...@lists.infradead.org; iommu@lists.linux-foundation.org
> Cc: Stuart Yoder
> Subje
Hi Robin,
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Wednesday, November 02, 2016 16:51
> To: Nipun Gupta ; will.dea...@arm.com; linux-arm-
> ker...@lists.infradead.org; iommu@lists.linux-foundation.org
> Cc: Stuart Yoder
> Subje
.
This provides a significant performance benefit for certain networking
workloads.
Signed-off-by: Nipun Gupta
---
drivers/iommu/arm-smmu.c | 21 +++--
1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index ce2a9d4
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Wednesday, October 05, 2016 15:26
> To: Nipun Gupta
> Cc: will.dea...@arm.com; j...@8bytes.org; iommu@lists.linux-
> foundation.org; linux-arm-ker...@lists.infradead.org;
> devic
> -Original Message-
> From: iommu-boun...@lists.linux-foundation.org [mailto:iommu-
> boun...@lists.linux-foundation.org] On Behalf Of Robin Murphy
> Sent: Monday, September 12, 2016 21:44
> To: will.dea...@arm.com; j...@8bytes.org; iommu@lists.linux-
> foundation.org; linux-arm-ker...@l
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Thursday, June 30, 2016 19:44
> To: Nipun Gupta ; will.dea...@arm.com; Stuart Yoder
> ; iommu@lists.linux-foundation.org; linux-arm-
> ker...@lists.infradead.org
> Cc: Bharat Bhushan
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Thursday, June 30, 2016 16:53
> To: Nipun Gupta ; will.dea...@arm.com; Stuart Yoder
> ; iommu@lists.linux-foundation.org; linux-arm-
> ker...@lists.infradead.org
> Cc: Bharat Bhushan
> -Original Message-
> From: Robin Murphy [mailto:robin.mur...@arm.com]
> Sent: Thursday, June 30, 2016 16:26
> To: Nipun Gupta ; will.dea...@arm.com; Stuart Yoder
> ; iommu@lists.linux-foundation.org; linux-arm-
> ker...@lists.infradead.org
> Cc: Bharat Bhushan
Implement bus specific support for the fsl-mc bus including
registering the arm_smmu_ops and bus specific smmu device init.
Signed-off-by: Nipun Gupta
Signed-off-by: Bharat Bhushan
---
drivers/iommu/arm-smmu.c | 43 +++
1 file changed, 43 insertions
Added a header file fsl_mc_smmu.h to provide basic support of creating
an IOMMU group for a fsl-mc type device and also provide helper macro
to get the stream ID of fsl-mc tyoe device.
Signed-off-by: Nipun Gupta
Signed-off-by: Bharat Bhushan
---
drivers/staging/fsl-mc/include/fsl_mc_smmu.h
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