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
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
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
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 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
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 Mon, Feb 8, 2021 at 22:53:54, Krzysztof Wilczyński
wrote:
> [+cc Bjorn]
>
> Hi Gustavo,
>
> [...]
> > Thanks for your review. I will wait for a couple of days, before sending
> > a new version of this patch series based on your feedback.
>
> Thank you!
>
> There might be one more change,
will rework the subject.
>
> On Wed, Feb 03, 2021 at 10:58:06PM +0100, Gustavo Pimentel wrote:
> > Detected by CoverityScan CID 16555 ("Dereference null return")
> >
> > Signed-off-by: Gustavo Pimentel
> > ---
> > drivers/dma/dw-edma/dw-edma-pcie.c | 15
On Tue, May 19, 2020 at 15:58:16, Lorenzo Pieralisi
wrote:
> On Tue, May 19, 2020 at 07:25:02PM +0530, Vidya Sagar wrote:
> >
> >
> > On 18-May-20 9:24 PM, Lorenzo Pieralisi wrote:
> > > External email: Use caution opening links or attachments
> > >
> > >
> > > On Wed, May 13, 2020 at 05:35:
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 =
ann
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
Documentation: misc-devices: Add Documentation for dw-xdata-pcie
driver
MAINTAINERS: Add Synopsys xData IP driv
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
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 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
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 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
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
er.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??ski
Gustavo Pimentel (4):
misc: Add Synopsys DesignWare xData IP driver
Documentation: misc-devices: Add Documentat
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
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
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 11:40:28, 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
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
sing
kstrtobool()
Removed stop_store()
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:
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
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
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
el@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??ski
Gustavo Pimentel (5):
misc: Add Synopsys DesignWare xData IP driver
misc: Add Synopsys DesignWare xData IP driver
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
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
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: WARNIN
Arnd Bergmann
Cc: Andrew Morton
Cc: Greg 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
MAIN
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
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
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
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 all
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
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
: 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
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
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
ctree
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-xdat
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
orn Helgaas
Cc: 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-de
On Tue, Nov 17, 2020 at 14:4:49, Arnd Bergmann wrote:
> On Fri, Nov 13, 2020 at 11:37 PM Gustavo Pimentel
> wrote:
> >
> > This patch series adds a new driver called xData-pcie for the Synopsys
> > DesignWare PCIe prototype.
> >
> > The driver configures and
decoding of this new speed, previously, reading the
speed of a link operating at this speed showed "Unknown speed" instead
of "64.0 GT/s".
Signed-off-by: Gustavo Pimentel
---
drivers/pci/pci.h | 6 --
drivers/pci/probe.c | 3 ++-
include/linux/pci.h
This patch removes a loose "i" character is present on the current
documentation.
Signed-off-by: Gustavo Pimentel
---
Documentation/devicetree/bindings/reset/snps,dw-reset.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/res
:
V2: Rework driver according to Greg Kroah-Hartman feedback
V3: Fixed issues detected while running on 64 bits platforms
Gustavo Pimentel (5):
misc: Add Synopsys DesignWare xData IP driver
misc: Add Synopsys DesignWare xData IP driver to Makefile
misc: Add Synopsys DesignWare xData IP
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 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 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
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
On Mon, Feb 8, 2021 at 7:34:8, Leon Romanovsky wrote:
> On Tue, Feb 02, 2021 at 05:56:36PM +0100, Gustavo Pimentel wrote:
> > Add Synopsys DesignWare xData IP driver to Kconfig.
> >
> > This driver enables/disables the PCIe traffic generator module
> > pertain
Hi Krzysztof,
On Sat, Feb 6, 2021 at 23:31:14, Krzysztof Wilczyński
wrote:
> Hi Gustavo,
>
> [...]
> > +The interaction with this driver is done through the module parameter and
> > +can be changed in runtime. The driver outputs the requested command state
> > +information to /var/log/kern.log
On Sun, Feb 7, 2021 at 1:36:15, Krzysztof Wilczyński
wrote:
> Hi Gustavo,
>
> Thank you for all the work here!
>
> A few suggestions.
>
> [...]
> > +static void dw_xdata_stop(struct dw_xdata *dw)
> > +{
> > + u32 burst = readl(&(__dw_xdara_regs(dw)->burst_cnt));
> > +
> > + if (burst & BI
ss calculation on 32 bits platforms
- minor comment and variable reordering
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: Add writeq() and readq()
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
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
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 | 1 +
include/uapi/linux/pci_regs.h | 5 +
3 files changed, 35 insertions(+)
diff --git a
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
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
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
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
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
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
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
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 2bd31b0..ebb2605 100644
--- a/drivers/dma
o kmemdup rather than code opened implementation.
>>>
>>> This issue was detected with the help of coccinelle.
>>>
>>> Signed-off-by: Wen Yang
>>> CC: Kishon Vijay Abraham I
>>> CC: Lorenzo Pieralisi
>>> CC: Bjorn Helgaas
>>>
.c | 53 +++
> drivers/pci/endpoint/pci-epf-core.c | 4 +-
> include/linux/pci-epc.h | 31 +--
> 10 files changed, 201 insertions(+), 64 deletions(-)
>
Sorry for the delay, I had a problem with my setup.
Tested-by: Gustavo Pimentel
dwc/pcie-designware.h
> @@ -179,6 +179,7 @@ struct pcie_port {
> struct irq_domain *irq_domain;
> struct irq_domain *msi_domain;
> dma_addr_t msi_data;
> + struct page *msi_page;
> u32 num_vectors;
> u32 irq_mask[MAX_MSI_CTRLS];
> raw_spinlock_t lock;
>
Acked-by: Gustavo Pimentel
ge;
> u32 num_vectors;
> u32 irq_mask[MAX_MSI_CTRLS];
> + struct pci_bus *root_bus;
> raw_spinlock_t lock;
> DECLARE_BITMAP(msi_irq_in_use, MAX_MSI_IRQS);
> };
>
Acked-by: Gustavo Pimentel
On Thu, Sep 12, 2019 at 10:23:31, Dilip Kota
wrote:
> Quoting Andrew Murray:
> Quoting Gustavo Pimentel:
>
> On 9/12/2019 4:25 PM, Andrew Murray wrote:
> > [...]
> >>>>>>>>>> +static void intel_pcie_max_link_wi
Hi,
Sorry for the delay I was in parental leave and I'm still trying not to
drown in the mailing list emails... 😊
On Mon, Sep 2, 2019 at 13:1:47, Andrew Murray
wrote:
> On Mon, Sep 02, 2019 at 11:17:13AM +0800, Xiaowei Bao wrote:
> > dw_pcie_ep_raise_msix_irq was never called in the exisitng
QS_PER_CTRL,
> + while ((pos = find_next_bit(&val, MAX_MSI_IRQS_PER_CTRL,
> pos)) != MAX_MSI_IRQS_PER_CTRL) {
> irq = irq_find_mapping(pp->irq_domain,
> (i * MAX_MSI_IRQS_PER_CTRL) +
> --
> 2.21.0
Hi Niklas!
The patch looks nice! Thanks!
Acked-by: Gustavo Pimentel
Hi,
On Tue, Sep 10, 2019 at 13:25:1, Pankaj Dubey
wrote:
> From: Anvesh Salveru
>
> In some platforms, PCIe PHY may have issues which will prevent linkup
> to happen in GEN3 or high speed. In case equalization fails, link will
> fallback to GEN1.
>
> Designware controller has support for dis
On Sat, Sep 14, 2019 at 7:37:54, Xiaowei Bao wrote:
>
>
> > -Original Message-
> > From: Gustavo Pimentel
> > Sent: 2019年9月12日 19:24
> > To: Andrew Murray ; Xiaowei Bao
> >
> > Cc: robh...@kernel.org; mark.rutl...@arm.com; shawn
Q_DISABLE BIT(16)
> +
> #define PCIE_ATU_VIEWPORT0x900
> #define PCIE_ATU_REGION_INBOUND BIT(31)
> #define PCIE_ATU_REGION_OUTBOUND 0
> @@ -244,6 +252,7 @@ struct dw_pcie {
> struct dw_pcie_ep ep;
> const struct dw_pcie_ops *ops;
> unsigned intversion;
> + unsigned intquirk;
> };
>
> #define to_dw_pcie_from_pp(port) container_of((port), struct dw_pcie, pp)
> --
> 2.7.4
Acked-by: Gustavo Pimentel
On Mon, Sep 16, 2019 at 13:24:1, Andrew Murray
wrote:
> On Mon, Sep 16, 2019 at 04:36:33PM +0530, Pankaj Dubey wrote:
> >
> >
> > > -Original Message-
> > > From: Andrew Murray
> > > Sent: Monday, September 16, 2019 3:46 PM
> > > To: Pankaj Dubey
> > > Cc: linux-...@vger.kernel.org;
c C style and allows to avoid
> the fencepost error. Array definitions changed to PCI_STD_NUM_BARS where
> appropriate.
>
> Cc: Kishon Vijay Abraham I
> Cc: Lorenzo Pieralisi
> Cc: Gustavo Pimentel
> Signed-off-by: Denis Efremov
> ---
> drivers/pci/controller/dwc/p
_ENABLE BIT(31)
> #define PCIE_ATU_BAR_MODE_ENABLE BIT(30)
> +#define PCIE_ATU_FUNC_NUM_MATCH_EN BIT(19)
> #define PCIE_ATU_LOWER_BASE 0x90C
> #define PCIE_ATU_UPPER_BASE 0x910
> #define PCIE_ATU_LIMIT 0x914
> @@ -206,6 +208,14 @@ struct dw_pcie_ep_ops {
> int (*raise_irq)(struct dw_pcie_ep *ep, u8 func_no,
>enum pci_epc_irq_type type, u16 interrupt_num);
> const struct pci_epc_features* (*get_features)(struct dw_pcie_ep *ep);
> + /*
> + * Provide a method to implement the different func config space
> + * access for different platform, if different func have different
> + * offset, return the offset of func. if use write a register way
> + * return a 0, and implement code in callback function of platform
> + * driver.
> + */
> + unsigned int (*func_conf_select)(struct dw_pcie_ep *ep, u8 func_no);
> };
>
> struct dw_pcie_ep {
> @@ -277,8 +287,12 @@ int dw_pcie_wait_for_link(struct dw_pcie *pci);
> void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index,
> int type, u64 cpu_addr, u64 pci_addr,
> u32 size);
> -int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, int index, int bar,
> - u64 cpu_addr, enum dw_pcie_as_type as_type);
> +void dw_pcie_prog_ep_outbound_atu(struct dw_pcie *pci, u8 func_no, int index,
> + int type, u64 cpu_addr, u64 pci_addr,
> + u32 size);
> +int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, u8 func_no, int index,
> + int bar, u64 cpu_addr,
> + enum dw_pcie_as_type as_type);
> void dw_pcie_disable_atu(struct dw_pcie *pci, int index,
>enum dw_pcie_region_type type);
> void dw_pcie_setup(struct dw_pcie *pci);
> --
> 2.9.5
Acked-by: Gustavo Pimentel
On Thu, Sep 26, 2019 at 11:29:46, Andrew Murray
wrote:
> On Tue, Sep 03, 2019 at 03:43:15AM +, Xiaowei Bao wrote:
> >
> >
> > > -Original Message-
> > > From: Andrew Murray
> > > Sent: 2019年9月3日 0:26
> > > To: Xiaowei Bao
> > > Cc: robh...@kernel.org; mark.rutl...@arm.com; shawn.
Hi,
On Mon, Oct 21, 2019 at 7:39:17, Dilip Kota
wrote:
> Intel PCIe is synopsys based controller utilizes the Designware
Please do this general replacement in all your patches.
s/synopsys/Synopsys
and
s/Designware/DesignWare
> framework for host initialization and intel application
> spec
Hi
On Mon, Oct 21, 2019 at 7:39:19, Dilip Kota
wrote:
> Add support to PCIe RC controller on Intel Gateway SoCs.
> PCIe controller is based of Synopsys DesignWare pci core.
>
> Intel PCIe driver requires Upconfig support, fast training
> sequence configuration and link speed change. So adding
On Mon, Oct 21, 2019 at 7:39:20, Dilip Kota
wrote:
> PCIe RC driver on Intel Gateway SoCs have a requirement
> of changing link width and speed on the fly.
> So add the sysfs attributes to show and store the link
> properties.
> Add the respective link resize function in pcie DesignWare
> framew
; +- snps,phy-zrxdc-compliant: This property is needed if phy complies with the
> + ZRX-DC specification.
> RC mode:
> - num-viewport: number of view ports configured in hardware. If a platform
> does not specify it, the driver assumes 2.
> --
> 2.17.1
Reviewed-by: Gustavo Pimentel
/controller/dwc/pcie-designware.h
> @@ -60,6 +60,9 @@
> #define PCIE_MSI_INTR0_MASK 0x82C
> #define PCIE_MSI_INTR0_STATUS0x830
>
> +#define PCIE_PORT_GEN3_RELATED 0x890
> +#define PORT_LOGIC_GEN3_ZRXDC_NONCOMPL BIT(0)
> +
>
> struct device *dev;
> void __iomem*dbi_base;
> + int dbi_length;
> void __iomem*dbi_base2;
> /* Used when iatu_unroll_enabled is true */
> void __iomem*atu_base;
>
Acked-by: Gustavo Pimentel
Hi Kishon,
On 14/01/2019 13:24, Kishon Vijay Abraham I wrote:
> commit beb4641a787df79a ("PCI: dwc: Add MSI-X callbacks handler") while
> adding MSI-X callback handler, introduced dw_pcie_ep_find_capability and
> __dw_pcie_ep_find_next_cap for finding the MSI and MSIX capability.
>
> However if M
301 - 400 of 523 matches
Mail list logo
