Fixes: e1181b5bbc3c ("Documentation: misc-devices: Add Documentation for
dw-xdata-pcie driver")
Link:
https://lore.kernel.org/linux-next/20210406214615.40cf3...@canb.auug.org.au/
Reported-by: Stephen Rothwell
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/dw-xdata-pci
Removes old information related to the stop file interface in sysfs left
by mistake during patch revision.
Improves the document text format to be more user-friendly and adds
basic driver related information, such as support, datasheet, and author.
Signed-off-by: Gustavo Pimentel
: Krzysztof Wilczy??ski
Cc: Stephen Rothwell
Gustavo Pimentel (2):
dw-xdata-pcie: Fix documentation build warns
dw-xdata-pcie: Update outdated info and improve text format
Documentation/misc-devices/dw-xdata-pcie.rst | 76 ++--
Documentation/misc-devices/index.rst
On Wed, Apr 7, 2021 at 18:35:16, Greg Kroah-Hartman
wrote:
> On Wed, Apr 07, 2021 at 03:57:31PM +0000, Gustavo Pimentel wrote:
> > On Wed, Apr 7, 2021 at 7:17:12, Greg Kroah-Hartman
> > wrote:
> >
> > > On Tue, Apr 06, 2021 at 11:17:48PM +0200, Gustavo
("Documentation: misc-devices: Add Documentation for
dw-xdata-pcie driver")
Link:
https://lore.kernel.org/linux-next/20210406214615.40cf3...@canb.auug.org.au/
Reported-by: Stephen Rothwell
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/index.rst | 1 +
1 file changed, 1
Kroah-Hartman
Cc: Jonathan Corbet
Cc: Bjorn Helgaas
Cc: Krzysztof Wilczy??ski
Cc: Stephen Rothwell
Gustavo Pimentel (2):
dw-xdata-pcie: Fix documentation build warns and update outdated info
misc-device: Add dw-xdata-pcie to toctree(index)
Documentation/misc-devices/dw-xdata-pcie.rst | 62
xdata-pcie driver")
Link:
https://lore.kernel.org/linux-next/20210406214615.40cf3...@canb.auug.org.au/
Reported-by: Stephen Rothwell
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/dw-xdata-pcie.rst | 62 +++-
1 file changed, 43 insertions(+), 19
On Wed, Apr 7, 2021 at 7:17:12, Greg Kroah-Hartman
wrote:
> On Tue, Apr 06, 2021 at 11:17:48PM +0200, Gustavo Pimentel wrote:
> > Fixes indentation issues reported by doing *make htmldocs* as well some
> > text formatting.
> >
> > Besides these fixes, there wa
4615.40cf3...@canb.auug.org.au/
Reported-by: Stephen Rothwell
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/index.rst | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/misc-devices/index.rst
b/Documentation/misc-devices/index.rst
index 64420b331..30ac58f 100644
--- a/Doc
nk:
https://lore.kernel.org/linux-next/20210406214615.40cf3...@canb.auug.org.au/
Reported-by: Stephen Rothwell
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/dw-xdata-pcie.rst | 62 +++-
1 file changed, 43 insertions(+), 19 deletions(-)
diff --git a/Doc
: Jonathan Corbet
Cc: Bjorn Helgaas
Cc: Krzysztof Wilczy??ski
Cc: Stephen Rothwell
Gustavo Pimentel (2):
Documentation: misc-devices: Fix indentation, formatting, and update
outdated info
Documentation: misc-devices: Add missing entry on the table of content
related to dw-xdata-pcie
Add missing entry on the table of content related to dw-xdata-pcie misc
driver reported in a warning by doing *make htmldocs*.
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/index.rst | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/misc-devices/index.rst
b
Fixes indentation issues reported by doing *make htmldocs* as well some
text formatting.
Besides these fixes, there was some outdated information related to stop
file interface in sysfs.
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/dw-xdata-pcie.rst | 62
On Tue, Apr 6, 2021 at 15:15:40, Greg KH wrote:
> On Tue, Apr 06, 2021 at 02:13:53PM +0000, Gustavo Pimentel wrote:
> > On Tue, Apr 6, 2021 at 15:7:23, Greg KH wrote:
> >
> > > On Tue, Apr 06, 2021 at 09:44:41PM +1000, Stephen Rothwell wrote:
> > > > Hi
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
Add Documentation for dw-xdata-pcie driver.
Signed-off-by: Gustavo Pimentel
---
Documentation/misc-devices/dw-xdata-pcie.rst | 64
Documentation/misc-devices/index.rst | 1 +
2 files changed, 65 insertions(+)
create mode 100644 Documentation/misc-devices
This patch describes the sysfs interface implemented on the dw-xdata-pcie
driver.
Signed-off-by: Gustavo Pimentel
---
Documentation/ABI/testing/sysfs-driver-xdata | 49
1 file changed, 49 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-driver-xdata
eg Kroah-Hartman
Cc: Jonathan Corbet
Cc: Bjorn Helgaas
Cc: Krzysztof Wilczy??ski
Cc: Stephen Rothwell
Gustavo Pimentel (4):
misc: Add Synopsys DesignWare xData IP driver
Documentation: misc-devices: Add Documentation for dw-xdata-pcie
driver
MAINTAINERS: Add Synopsys xData IP driver ma
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/Kconfig | 10 ++
drivers/misc/Makefile| 1 +
drivers/misc/dw-xdata-pcie.c
On Tue, Apr 6, 2021 at 15:7:23, Greg KH wrote:
> On Tue, Apr 06, 2021 at 09:44:41PM +1000, Stephen Rothwell wrote:
> > Hi all,
> >
> > After merging the char-misc tree, today's linux-next build (htmldocs)
> > produced this warning:
> >
> > Documentation/misc-devices/dw-xdata-pcie.rst:20:
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 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
This patch describes the sysfs interface implemented on the dw-xdata-pcie
driver.
Signed-off-by: Gustavo Pimentel
---
Documentation/ABI/testing/sysfs-driver-xdata | 49
1 file changed, 49 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-driver-xdata
re()
Update ABI documentation accordingly
Cc: linux-...@vger.kernel.org
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Derek Kiernan
Cc: Dragan Cvetic
Cc: Arnd Bergmann
Cc: Andrew Morton
Cc: Greg Kroah-Hartman
Cc: Jonathan Corbet
Cc: Bjorn Helgaas
Cc: Krzysztof Wilczy??sk
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/Kconfig | 10 ++
drivers/misc/Makefile| 1 +
drivers/misc/dw-xdata-pcie.c
On Mon, Mar 29, 2021 at 11:40:28, Greg Kroah-Hartman
wrote:
> On Mon, Mar 29, 2021 at 10:25:25AM +0000, Gustavo Pimentel wrote:
> > On Mon, Mar 29, 2021 at 11:8:11, Greg Kroah-Hartman
> > wrote:
> >
> > > On Mon, Mar 29, 2021 at 11:59:40AM +0200, Gustavo Pime
On Mon, Mar 29, 2021 at 11:8:11, Greg Kroah-Hartman
wrote:
> On Mon, Mar 29, 2021 at 11:59:40AM +0200, Gustavo Pimentel wrote:
> > This patch describes the sysfs interface implemented on the dw-xdata-pcie
> > driver.
> >
> > Signed-off-by: Gustavo Pimentel
>
On Mon, Mar 29, 2021 at 11:3:3, Willy Tarreau wrote:
> On Mon, Mar 29, 2021 at 11:51:38AM +0200, Gustavo Pimentel wrote:
> > Signed-off-by: Gustavo Pimentel
>
> Please make an effort, this is in no way an acceptable commit description
> for a patch. The subject is already ex
gan Cvetic
Cc: Arnd Bergmann
Cc: Andrew Morton
Cc: Greg Kroah-Hartman
Cc: Jonathan Corbet
Cc: Bjorn Helgaas
Cc: Krzysztof Wilczy??ski
Gustavo Pimentel (4):
misc: Add Synopsys DesignWare xData IP driver
Documentation: misc-devices: Add Documentation for dw-xdata-pcie
driver
MAINT
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. This driver enables/disables
the PCI traffic generator module pertain to the Synopsys DesignWare
prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Kconfig | 10 ++
drivers/misc/Makefile| 1 +
drivers/misc/dw-xdata-pcie.c
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 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
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
Signed-off-by: Gustavo Pimentel
---
drivers/misc/dw-xdata-pcie.c | 99 +---
1 file changed, 57 insertions(+), 42 deletions(-)
diff --git a/drivers/misc/dw-xdata-pcie.c b/drivers/misc/dw-xdata-pcie.c
index 43fdd35..011516b 100644
--- a/drivers/misc/dw
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/Kconfig | 10 ++
drivers/misc/Makefile| 1 +
drivers/misc/dw-xdata-pcie.c
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
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
artman
Cc: Jonathan Corbet
Cc: Bjorn Helgaas
Cc: Krzysztof Wilczy??ski
Gustavo Pimentel (5):
misc: Add Synopsys DesignWare xData IP driver
Documentation: misc-devices: Add Documentation for dw-xdata-pcie
driver
MAINTAINERS: Add Synopsys xData IP driver maintainer
docs: ABI: Add sysfs doc
On Sun, Mar 28, 2021 at 13:49:13, Greg Kroah-Hartman
wrote:
> On Sat, Mar 27, 2021 at 04:06:51AM +0100, Gustavo Pimentel wrote:
> > Add Synopsys DesignWare xData IP driver. This driver enables/disables
> > the PCI traffic generator module pertain to the Synopsys DesignWar
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 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
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 | 401 +++
1 file changed, 401 insertions
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
: Dragan Cvetic
Cc: Arnd Bergmann
Cc: Andrew Morton
Cc: Greg Kroah-Hartman
Cc: Jonathan Corbet
Cc: Bjorn Helgaas
Cc: Krzysztof Wilczy??ski
Gustavo Pimentel (5):
misc: Add Synopsys DesignWare xData IP driver
misc: Add Synopsys DesignWare xData IP driver to Makefile and Kconfig
Documentation
Add Synopsys DesignWare xData IP driver to Makefile and Kconfig.
This driver enables/disables the PCIe traffic generator module
pertain to the Synopsys DesignWare prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Kconfig | 10 ++
drivers/misc/Makefile | 1 +
2 files changed
Hi Greg,
On Tue, Mar 23, 2021 at 13:0:4, Greg Kroah-Hartman
wrote:
> On Fri, Feb 12, 2021 at 06:28:03PM +0100, Gustavo Pimentel wrote:
> > +static const struct attribute_group xdata_attr_group = {
> > + .attrs = default_attrs,
> > + .name =
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
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-edma
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 changed
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: dw-edma: Fix comments offset c
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
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
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 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: Gustavo
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
will 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
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
that and
no 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
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-off-b
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 ca
return err;
> + goto err_free_irq;
> }
>
> /* Saving data structure reference */
> pci_set_drvdata(pdev, chip);
>
> return 0;
> +
> +err_free_irq:
> + pci_free_irq_vectors(pdev);
> + return err;
> }
>
> static void dw_edma_pcie_remove(struct pci_dev *pdev)
> --
> 2.25.0
Acked-by: Gustavo Pimentel
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-off-b
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
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
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
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
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
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
that and
no 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 1ddea34..41384ff 100644
--- a/drivers/dma
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 changed
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
like container) defined by PCI-SIG that allows the one
or more proprietary capabilities defined by the vendor which aren't
standard or shared between the manufactures.
Signed-off-by: Gustavo Pimentel
---
drivers/pci/pci.c | 34 ++
include/linux/pci.h
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 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-edma
will 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
accordingly to Bjorn Helgaas's feedback
V6: Rework driver accordingly to Krzysztof Wilczy??ski's feedback
Cc: Vinod 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: Ad
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 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
Add Synopsys DesignWare xData IP driver to Makefile and Kconfig.
This driver enables/disables the PCIe traffic generator module
pertain to the Synopsys DesignWare prototype.
Signed-off-by: Gustavo Pimentel
---
drivers/misc/Kconfig | 10 ++
drivers/misc/Makefile | 1 +
2 files changed
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
-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Gustavo Pimentel (5):
misc: Add Synopsys DesignWare xData IP driver
misc: Add Synopsys DesignWare xData IP driver to Makefile and Kconfig
Documentation: misc-devices: Add Documentation for dw-xdata-pcie
driver
MAINTAINERS: Add
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 | 390 +++
1 file changed, 390 insertions
On Thu, Feb 11, 2021 at 12:50:46, Krzysztof Wilczyński
wrote:
> Hi Gustavo,
>
> [...]
> > + * Typically this function will be called by the pci driver, which passes
>
> It would be "PCI" here.
Nicely catch.
>
> > + * through argument the 'struct pci_dev *' already pointing for the device
>
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
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
> > +
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 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 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 9:28:9, 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
will 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
that and
no 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
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_find_vsec_capability() to
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-edma
their 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
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