The latest eDMA IP development implements a Vendor-Specific Extended
Capability that contains the eDMA BAR, offset, map format, and the
number of read/write channels available.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 20 ---
drivers/dma/dw-edma/dw-edma
own linked list and data space well defined, which allows
different sizes and locations.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 51 +-
drivers/dma/dw-edma/dw-edma-core.h | 9 +-
drivers/dma/dw-edma/dw-edma-pcie.c | 185
Fix comments offset characters' alignment to follow the same structure
of similar comments.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-regs.h | 214 +-
1 file changed, 107 insertions(+), 107 deletions(-)
diff --git a/drivers/dma/dw
Rework driver accordingly to Bjorn Helgaas's feedback
Gustavo Pimentel (15):
dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
dmaengine: dw-edma: Fix comments offset characters' alignment
dmaengine: dw-edma: Add support for the HDMA feature
PCI: Add pci_f
functional changes are expected.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers/dma/dw-edma/dw-edma-pcie.c
index 7077d79..9e79eb5 100644
--- a/drivers/dma
generate a 64 bits message instead of two messages
of 32 bits.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-core.c| 254 +++
drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 48 +++---
drivers/dma/dw-edma/dw-edma-v0-regs.h| 149 +-
3
On Thu, Feb 11, 2021 at 9:28:9, Greg Kroah-Hartman
wrote:
> On Thu, Feb 11, 2021 at 10:08:39AM +0100, Gustavo Pimentel wrote:
> > Add Synopsys DesignWare xData IP driver to Makefile.
> >
> > This driver enables/disables the PCIe traffic generator module
> > pertain
On Thu, Feb 11, 2021 at 9:30:16, Greg Kroah-Hartman
wrote:
> On Thu, Feb 11, 2021 at 10:08:38AM +0100, Gustavo Pimentel wrote:
> > +static ssize_t write_show(struct device *dev, struct device_attribute
> > *attr,
> > + char *buf)
> > +{
&
On Thu, Feb 11, 2021 at 9:59:26, Greg Kroah-Hartman
wrote:
> On Thu, Feb 11, 2021 at 09:50:33AM +0000, Gustavo Pimentel wrote:
> > On Thu, Feb 11, 2021 at 9:30:16, Greg Kroah-Hartman
> > wrote:
> >
> > > On Thu, Feb 11, 2021 at 10:08:38AM +0100, Gustavo P
On Thu, Feb 11, 2021 at 10:33:25, Greg Kroah-Hartman
wrote:
> On Thu, Feb 11, 2021 at 10:21:07AM +0000, Gustavo Pimentel wrote:
> > On Thu, Feb 11, 2021 at 9:59:26, Greg Kroah-Hartman
> > wrote:
> >
> > > On Thu, Feb 11, 2021 at 09:50:33AM +, Gustavo Pimen
On Thu, Feb 11, 2021 at 11:29:43, Krzysztof Wilczyński
wrote:
> Hi Gustavo,
>
> [...]
> > +config DW_XDATA_PCIE
> > + depends on PCI
> > + tristate "Synopsys DesignWare xData PCIe driver"
> > + help
> > + This driver allows controlling Synopsys DesignWare PCIe traffic
> > + genera
On Thu, Feb 11, 2021 at 12:59:48, Krzysztof Wilczyński
wrote:
> Hi Gustavo,
>
> > + /*
> > +* Tries to find if exists a PCIe Vendor-Specific Extended Capability
> > +* for the DMA, if exists one, then reconfigures with the new data
> [...]
>
> What about "if one exists" and "then rec
es it easier to read the caller.]
>
> When you post new versions of a series, please cc people who commented
> on previous versions.
Noted.
>
> On Fri, Feb 12, 2021 at 06:37:39PM +0100, Gustavo Pimentel wrote:
> > Adds another helper to ones that already exist called
&
Currently, is missing a null check on a pcim_iomap_table() return value
and this can lead to a null pointer dereference if the desired BAR
wasn't mapped previously.
Fix this by adding a null check and returning -ENOMEM.
Addresses-Coverity: ("Dereference null return")
Signed-
functional changes are expected.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers/dma/dw-edma/dw-edma-pcie.c
index eb6f8b3..63c62e1 100644
--- a/drivers/dma
When the driver is compiled as a module and loaded if we try to unload
it, the Kernel shows a crash log. This Kernel crash is due to the
dma_async_device_unregister() call done after deleting the channels,
this patch fixes this issue.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw
To keep code consistent, some comments with dma keyword written in lower
case are now in upper case.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-core.c
b/drivers/dma
Reverting the applied patch because it caused a regression on
ARC700 platform (32 bits).
Fixes: 05655541c950 ("dmaengine: dw-edma: Fix scatter-gather address
calculation")
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 8
1 file changed, 4 insert
generate a 64 bits message instead of two messages
of 32 bits.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-core.c| 254 +++
drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 48 +++---
drivers/dma/dw-edma/dw-edma-v0-regs.h| 149 +-
3
this solution is based on FPGA and might be subjected to
timmings constrains.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 32
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers
Add pci_find_vsec_capability() to locate a Vendor-Specific Extended
Capability with the specified VSEC ID.
The Vendor-Specific Extended Capability (VSEC) allows one or more
proprietary capabilities defined by the vendor which aren't standard
or shared between vendors.
Signed-off-by: Gu
its own linked list and data space well defined, which allows
different sizes and locations.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 51 +-
drivers/dma/dw-edma/dw-edma-core.h | 9 +-
drivers/dma/dw-edma/dw-edma-pcie.c | 185
Add device_prep_interleave_dma() support to Synopsys DMA driver.
This feature implements a similar data transfer mechanism to the
scatter-gather implementation.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 85 ++
drivers/dma/dw
The latest eDMA IP development implements a Vendor-Specific Extended
Capability that contains the eDMA BAR, offset, map format, and the
number of read/write channels available.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 20 ---
drivers/dma/dw-edma/dw-edma
Move struct dentry variable from static definition (dw-edma-v0-debugfs.c)
into dw_edma struct (dw-edma-core.h)
Also the variable was renamed from base_dir to debugfs.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 2 +-
drivers/dma/dw-edma/dw-edma-core.h
* defines
Cc: dmaeng...@vger.kernel.org
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Vinod Koul
Cc: Dan Williams
Cc: Bjorn Helgaas
Cc: Krzysztof Wilczy??ski
Cc: Lukas Wunner
Gustavo Pimentel (15):
dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
dmaengine:
Add support for the HDMA feature.
This new feature enables the current eDMA IP to use a deeper prefetch
of the linked list, which reduces the algorithm execution latency
observed when loading the elements of the list, causing more stable
and higher data transfer.
Signed-off-by: Gustavo Pimentel
Fix comments offset characters' alignment to follow the same structure
of similar comments.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-regs.h | 214 +-
1 file changed, 107 insertions(+), 107 deletions(-)
diff --git a/drivers/dma/dw
It was added some extra checks to ensure that the driver doesn't try to
use more DMA channels than actually are available in hardware.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 21 +
drivers/dma/dw-edma/dw-edma-core.h | 2 ++
2 files ch
On Thu, Feb 18, 2021 at 19:27:30, Bjorn Helgaas
wrote:
> On Thu, Feb 18, 2021 at 08:03:58PM +0100, Gustavo Pimentel wrote:
> > Add pci_find_vsec_capability() to locate a Vendor-Specific Extended
> > Capability with the specified VSEC ID.
> >
> > The Vendor-Specifi
Add Synopsys DesignWare xData IP driver. This driver enables/disables
the PCI traffic generator module pertain to the Synopsys DesignWare
prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/dw-xdata-pcie.c | 379 +++
1 file changed, 379 insertions
Add Synopsys xData IP driver maintainer.
This driver aims to support Synopsys xData IP and is normally distributed
along with Synopsys PCIe EndPoint IP as a PCIe traffic generator (depends
of the use and licensing agreement).
Signed-off-by: Gustavo Pimentel
---
MAINTAINERS | 7 +++
1 file
On Tue, Feb 2, 2021 at 10:43:3, Greg Kroah-Hartman
wrote:
> On Tue, Feb 02, 2021 at 10:38:29AM +0000, Gustavo Pimentel wrote:
> > On Tue, Feb 2, 2021 at 10:11:21, Greg Kroah-Hartman
> > wrote:
> >
> > > On Tue, Feb 02, 2021 at 08:51:10AM +, Gustavo Pimente
Add Synopsys DesignWare xData IP driver to Makefile.
This driver enables/disables the PCIe traffic generator module
pertain to the Synopsys DesignWare prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/Makefile
Add Documentation for dw-xdata-pcie driver.
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/dw-xdata-pcie.rst | 40
1 file changed, 40 insertions(+)
create mode 100644 Documentation/misc-devices/dw-xdata-pcie.rst
diff --git a/Documentation/misc
Add Synopsys DesignWare xData IP driver to Kconfig.
This driver enables/disables the PCIe traffic generator module
pertain to the Synopsys DesignWare prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Kconfig | 11 +++
1 file changed, 11 insertions(+)
diff --git a/drivers
: Dragan Cvetic
Cc: Arnd Bergmann
Cc: Andrew Morton
Cc: Greg Kroah-Hartman
Cc: Jonathan Corbet
Cc: linux-...@vger.kernel.org
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Gustavo Pimentel (5):
misc: Add Synopsys DesignWare xData IP driver
misc: Add Synopsys DesignWare xData
On Tue, Feb 2, 2021 at 17:8:21, Greg Kroah-Hartman
wrote:
> On Tue, Feb 02, 2021 at 04:58:50PM +0000, Gustavo Pimentel wrote:
> > On Tue, Feb 2, 2021 at 10:43:3, Greg Kroah-Hartman
> > wrote:
> >
> > > On Tue, Feb 02, 2021 at 10:38:29AM +, Gustavo Pimente
Hi Lukas,
On Tue, Feb 2, 2021 at 18:8:55, Lukas Wunner wrote:
> On Tue, Feb 02, 2021 at 01:40:18PM +0100, Gustavo Pimentel wrote:
> > /**
> > + * pci_find_vsec_capability - Find a vendor-specific extended capability
> > + * @dev: PCI device to query
> > + * @cap: ve
On Wed, Feb 3, 2021 at 7:51:3, Lukas Wunner wrote:
> On Wed, Feb 03, 2021 at 01:54:49AM +0000, Gustavo Pimentel wrote:
> > On Tue, Feb 2, 2021 at 18:8:55, Lukas Wunner wrote:
> > > As the name implies, the capability is "vendor-specific", so it is
> > > pe
On Wed, Feb 3, 2021 at 9:36:54, Lukas Wunner wrote:
> On Wed, Feb 03, 2021 at 09:11:03AM +0000, Gustavo Pimentel wrote:
> > On Wed, Feb 3, 2021 at 7:51:3, Lukas Wunner wrote:
> > > On Wed, Feb 03, 2021 at 01:54:49AM +, Gustavo Pimentel wrote:
> > > > On Tue,
s
Cc: dmaeng...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-...@vger.kernel.org
Gustavo Pimentel (15):
dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
dmaengine: dw-edma: Fix comments offset characters' alignment
dmaengine: dw-edma: Add
It was added some extra checks to ensure that the driver doesn't try to
use more DMA channels than actually are available in hardware.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 21 +
drivers/dma/dw-edma/dw-edma-core.h | 2 ++
2 files ch
this solution is based on FPGA and might be subjected to
timmings constrains.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 32
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers
Add device_prep_interleave_dma() support to Synopsys DMA driver.
This feature implements a similar data transfer mechanism to the
scatter-gather implementation.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 85 ++
drivers/dma/dw
To keep code consistent, some comments with dma keyword written in lower
case are now in upper case.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-core.c
b/drivers/dma
own linked list and data space well defined, which allows
different sizes and locations.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 51 +-
drivers/dma/dw-edma/dw-edma-core.h | 9 +-
drivers/dma/dw-edma/dw-edma-pcie.c | 185
Reverting the applied patch because it caused a regression on
ARC700 platform (32 bits).
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-core.c
b/drivers/dma/dw-edma
Detected by CoverityScan CID 16555 ("Dereference null return")
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers/dma/dw-edma/dw-edma-pcie.c
ind
When the driver is compiled as a module and loaded if we try to unload
it, the Kernel shows a crash log. This Kernel crash is due to the
dma_async_device_unregister() call done after deleting the channels,
this patch fixes this issue.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw
Move struct dentry variable from static definition (dw-edma-v0-debugfs.c)
into dw_edma struct (dw-edma-core.h)
Also the variable was renamed from base_dir to debugfs.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 2 +-
drivers/dma/dw-edma/dw-edma-core.h
Add support for the HDMA feature.
This new feature enables the current eDMA IP to use a deeper prefetch
of the linked list, which reduces the algorithm execution latency
observed when loading the elements of the list, causing more stable
and higher data transfer.
Signed-off-by: Gustavo Pimentel
Fix comments offset characters' alignment to follow the same structure
of similar comments.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-regs.h | 214 +-
1 file changed, 107 insertions(+), 107 deletions(-)
diff --git a/drivers/dma/dw
create
their own and specific capability in the device config space.
Signed-off-by: Gustavo Pimentel
---
drivers/pci/pci.c | 34 ++
include/linux/pci.h | 2 ++
include/uapi/linux/pci_regs.h | 6 ++
3 files changed, 42 insertions(+)
diff
functional changes are expected.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers/dma/dw-edma/dw-edma-pcie.c
index 7077d79..9e79eb5 100644
--- a/drivers/dma
The latest eDMA IP development implements a Vendor-Specific Extended
Capability that contains the eDMA BAR, offset, map format, and the
number of read/write channels available.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 20 ---
drivers/dma/dw-edma/dw-edma
generate a 64 bits message instead of two messages
of 32 bits.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-core.c| 254 +++
drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 48 +++---
drivers/dma/dw-edma/dw-edma-v0-regs.h| 149 +-
3
Move struct dentry variable from static definition (dw-edma-v0-debugfs.c)
into dw_edma struct (dw-edma-core.h)
Also the variable was renamed from base_dir to debugfs.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 2 +-
drivers/dma/dw-edma/dw-edma-core.h
Detected by CoverityScan CID 16555 ("Dereference null return")
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers/dma/dw-edma/dw-edma-pcie.c
ind
generate a 64 bits message instead of two messages
of 32 bits.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-core.c| 254 +++
drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 48 +++---
drivers/dma/dw-edma/dw-edma-v0-regs.h| 149 +-
3
d Koul
Cc: Dan Williams
Cc: Bjorn Helgaas
Cc: dmaeng...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-...@vger.kernel.org
Gustavo Pimentel (15):
dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
dmaengine: dw-edma: Fix comments offset characters' alignme
To keep code consistent, some comments with dma keyword written in lower
case are now in upper case.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-core.c
b/drivers/dma
Reverting the applied patch because it caused a regression on
ARC700 platform (32 bits).
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-core.c
b/drivers/dma/dw-edma
When the driver is compiled as a module and loaded if we try to unload
it, the Kernel shows a crash log. This Kernel crash is due to the
dma_async_device_unregister() call done after deleting the channels,
this patch fixes this issue.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw
It was added some extra checks to ensure that the driver doesn't try to
use more DMA channels than actually are available in hardware.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 21 +
drivers/dma/dw-edma/dw-edma-core.h | 2 ++
2 files ch
this solution is based on FPGA and might be subjected to
timmings constrains.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 32
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers
own linked list and data space well defined, which allows
different sizes and locations.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 51 +-
drivers/dma/dw-edma/dw-edma-core.h | 9 +-
drivers/dma/dw-edma/dw-edma-pcie.c | 185
functional changes are expected.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers/dma/dw-edma/dw-edma-pcie.c
index 7077d79..9e79eb5 100644
--- a/drivers/dma
Add Documentation for dw-xdata-pcie driver.
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/dw-xdata-pcie.rst | 40
1 file changed, 40 insertions(+)
create mode 100644 Documentation/misc-devices/dw-xdata-pcie.rst
diff --git a/Documentation/misc
Cc: linux-kernel@vger.kernel.org
Gustavo Pimentel (6):
misc: Add Synopsys DesignWare xData IP driver
misc: Add Synopsys DesignWare xData IP driver to Makefile
misc: Add Synopsys DesignWare xData IP driver to Kconfig
Documentation: misc-devices: Add Documentation for dw-xdata-pcie
This patch describes the sysfs interface implemented on the dw-xdata-pcie
driver.
Signed-off-by: Gustavo Pimentel
---
Documentation/ABI/testing/sysfs-driver-xdata | 46
1 file changed, 46 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-driver-xdata
Add Synopsys DesignWare xData IP driver to Makefile.
This driver enables/disables the PCIe traffic generator module
pertain to the Synopsys DesignWare prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/Makefile
Add Synopsys DesignWare xData IP driver. This driver enables/disables
the PCI traffic generator module pertain to the Synopsys DesignWare
prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/dw-xdata-pcie.c | 378 +++
1 file changed, 378 insertions
Add Synopsys DesignWare xData IP driver to Kconfig.
This driver enables/disables the PCIe traffic generator module
pertain to the Synopsys DesignWare prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Kconfig | 11 +++
1 file changed, 11 insertions(+)
diff --git a/drivers
Add Synopsys xData IP driver maintainer.
This driver aims to support Synopsys xData IP and is normally distributed
along with Synopsys PCIe EndPoint IP as a PCIe traffic generator (depends
of the use and licensing agreement).
Signed-off-by: Gustavo Pimentel
---
MAINTAINERS | 7 +++
1 file
The latest eDMA IP development implements a Vendor-Specific Extended
Capability that contains the eDMA BAR, offset, map format, and the
number of read/write channels available.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 20 ---
drivers/dma/dw-edma/dw-edma
Add device_prep_interleave_dma() support to Synopsys DMA driver.
This feature implements a similar data transfer mechanism to the
scatter-gather implementation.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 85 ++
drivers/dma/dw
Fix comments offset characters' alignment to follow the same structure
of similar comments.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-regs.h | 214 +-
1 file changed, 107 insertions(+), 107 deletions(-)
diff --git a/drivers/dma/dw
create
their own and specific capability in the device config space.
Signed-off-by: Gustavo Pimentel
---
drivers/pci/pci.c | 34 ++
include/linux/pci.h | 2 ++
include/uapi/linux/pci_regs.h | 6 ++
3 files changed, 42 insertions(+)
diff
Add support for the HDMA feature.
This new feature enables the current eDMA IP to use a deeper prefetch
of the linked list, which reduces the algorithm execution latency
observed when loading the elements of the list, causing more stable
and higher data transfer.
Signed-off-by: Gustavo Pimentel
Add Synopsys DesignWare xData IP driver. This driver enables/disables
the PCI traffic generator module pertain to the Synopsys DesignWare
prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/dw-xdata-pcie.c | 378 +++
1 file changed, 378 insertions
Add Synopsys xData IP driver maintainer.
This driver aims to support Synopsys xData IP and is normally distributed
along with Synopsys PCIe EndPoint IP as a PCIe traffic generator (depends
of the use and licensing agreement).
Signed-off-by: Gustavo Pimentel
---
MAINTAINERS | 7 +++
1 file
Cc: linux-kernel@vger.kernel.org
Gustavo Pimentel (6):
misc: Add Synopsys DesignWare xData IP driver
misc: Add Synopsys DesignWare xData IP driver to Makefile
misc: Add Synopsys DesignWare xData IP driver to Kconfig
Documentation: misc-devices: Add Documentation for dw-xdata-pcie
Add Documentation for dw-xdata-pcie driver.
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/dw-xdata-pcie.rst | 40
1 file changed, 40 insertions(+)
create mode 100644 Documentation/misc-devices/dw-xdata-pcie.rst
diff --git a/Documentation/misc
This patch describes the sysfs interface implemented on the dw-xdata-pcie
driver.
Signed-off-by: Gustavo Pimentel
---
Documentation/ABI/testing/sysfs-driver-xdata | 46
1 file changed, 46 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-driver-xdata
Add Synopsys DesignWare xData IP driver to Kconfig.
This driver enables/disables the PCIe traffic generator module
pertain to the Synopsys DesignWare prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Kconfig | 11 +++
1 file changed, 11 insertions(+)
diff --git a/drivers
Add Synopsys DesignWare xData IP driver to Makefile.
This driver enables/disables the PCIe traffic generator module
pertain to the Synopsys DesignWare prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/Makefile
Just a kindly reminder.
On Thu, Nov 19, 2020 at 9:19:37, Gustavo Pimentel
wrote:
> This patch series adds a new driver called xData-pcie for the Synopsys
> DesignWare PCIe prototype.
>
> The driver configures and enables the Synopsys DesignWare PCIe traffic
> generator IP insi
On Tue, Feb 2, 2021 at 10:11:21, Greg Kroah-Hartman
wrote:
> On Tue, Feb 02, 2021 at 08:51:10AM +0000, Gustavo Pimentel wrote:
> > Just a kindly reminder.
>
> reminder of what?
To review the patch set. I've done the requested modifications, but I
didn't get any feed
On Mon, Feb 1, 2021 at 22:39:20, Bjorn Helgaas
wrote:
Hi Bjorn,
> > +/**
> > + * pci_find_vsec_capability - Find a vendor-specific extended capability
> > + * @dev: PCI device to query
> > + * @cap: vendor-specific capability id code
>
> s/id/ID/
I will do it for all the requested changes.
>
-kernel@vger.kernel.org
Cc: linux-...@vger.kernel.org
Gustavo Pimentel (15):
dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
dmaengine: dw-edma: Fix comments offset characters' alignment
dmaengine: dw-edma: Add support for the HDMA feature
PCI: Add pci_find_vse
The latest eDMA IP development implements a Vendor-Specific Extended
Capability that contains the eDMA BAR, offset, map format, and the
number of read/write channels available.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 20 ---
drivers/dma/dw-edma/dw-edma
create
their own and specific capability in the device config space.
Signed-off-by: Gustavo Pimentel
---
drivers/pci/pci.c | 29 +
include/linux/pci.h | 2 ++
include/uapi/linux/pci_regs.h | 6 ++
3 files changed, 37 insertions(+)
diff --git
Fix comments offset characters' alignment to follow the same structure
of similar comments.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-v0-regs.h | 214 +-
1 file changed, 107 insertions(+), 107 deletions(-)
diff --git a/drivers/dma/dw
Detected by CoverityScan CID 16555 ("Dereference null return")
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers/dma/dw-edma/dw-edma-pcie.c
ind
To keep code consistent, some comments with dma keyword written in lower
case are now in upper case.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-core.c
b/drivers/dma
Reverting the applied patch because it caused a regression on
ARC700 platform (32 bits).
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-core.c
b/drivers/dma/dw-edma
When the driver is compiled as a module and loaded if we try to unload
it, the Kernel shows a crash log. This Kernel crash is due to the
dma_async_device_unregister() call done after deleting the channels,
this patch fixes this issue.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw
this solution is based on FPGA and might be subjected to
timmings constrains.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-pcie.c | 32
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c
b/drivers
Move struct dentry variable from static definition (dw-edma-v0-debugfs.c)
into dw_edma struct (dw-edma-core.h)
Also the variable was renamed from base_dir to debugfs.
Signed-off-by: Gustavo Pimentel
---
drivers/dma/dw-edma/dw-edma-core.c | 2 +-
drivers/dma/dw-edma/dw-edma-core.h
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