On Mon, Mar 27, 2017 at 09:01:19PM -0300, Marcos Paulo de Souza wrote:
> Signed-off-by: Marcos Paulo de Souza
> ---
>
> v3 -> v4:
> Add comment and a sleep call before UI_DEV_DESTROY (requested by Peter)
> On emit function, add an fd parameter, avoiding global variables
> Check return of ioct
Signed-off-by: Marcos Paulo de Souza
---
v3 -> v4:
Add comment and a sleep call before UI_DEV_DESTROY (requested by Peter)
On emit function, add an fd parameter, avoiding global variables
Check return of ioctl related to older kernels that don't have UI_GET_VERSION
Fix typos
v2 -> v3
Chan
On Mon, 27 Mar 2017, Julia Lawall wrote:
> Kerneldoc seems to be written sometimes kerneldoc and sometimes
> kernel-doc. Which is preferred? Having two spellings makes it hard to
> use grep to find out what are the conventions for writing kernel
> documentation.
I think "kernel-doc" is the orig
On 25/03/17 18:23, Leo Yan wrote:
Coresight includes debug module and usually the module connects with CPU
debug logic. ARMv8 architecture reference manual (ARM DDI 0487A.k) has
description for related info in "Part H: External Debug".
Chapter H7 "The Sample-based Profiling Extension" introduces
On Mon, Mar 27, 2017 at 03:46:47PM +0200, Peter Rosin wrote:
> On 2017-03-27 15:06, Johan Hovold wrote:
> > On Mon, Mar 27, 2017 at 02:17:48PM +0200, Peter Rosin wrote:
> >> Comparing a size_t with less than zero is always false as size_t
> >> is unsigned. So, change the type of the variable to ssi
When a multiplexer changes how an iio device behaves (for example
by feeding different signals to an ADC), this driver can be used
to create one virtual iio channel for each multiplexer state.
Depends on the generic multiplexer subsystem.
Cache any ext_info values from the parent iio channel, cre
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver-
Allow specifying that a single multiplexer controller can be used to
control several parallel multiplexers, thus enabling sharing of the
multiplexer controller by different consumers.
Add a binding for a first mux controller in the form of a GPIO based mux
controller.
Acked-by: Jonathan Cameron
Add a new minimalistic subsystem that handles multiplexer controllers.
When multiplexers are used in various places in the kernel, and the
same multiplexer controller can be used for several independent things,
there should be one place to implement support for said multiplexer
controller.
A singl
Extend the inkern api with functions for reading and writing ext_info
of iio channels.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/inkern.c | 60
include/linux/iio/consumer.h | 37 +++
2 files
Describe how a general purpose multiplexer controller is used to mux an
i2c bus.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/i2c/i2c-mux-gpmux.txt | 99 ++
1 file changed, 99 insertions(+)
create mode 1006
Describe how a multiplexer can be used to select which signal is fed to
an io-channel.
Acked-by: Jonathan Cameron
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../bindings/iio/multiplexer/io-channel-mux.txt| 39 ++
MAINTAINERS
Analog Devices ADG792A/G is a triple 4:1 mux.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig | 12
drivers/mux/Makefile | 1 +
drivers/mux/mux-adg792a.c | 140 ++
3 files changed, 153 insertions(+)
This is a general purpose i2c mux that uses a multiplexer controlled by
the multiplexer subsystem to do the muxing.
The user can select if the mux is to be mux-locked and parent-locked
as described in Documentation/i2c/i2c-topology.
Acked-by: Jonathan Cameron
Acked-by: Wolfram Sang
Signed-off-b
Analog Devices ADG792A/G is a triple 4:1 mux.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/adi,adg792a.txt| 75 ++
1 file changed, 75 insertions(+)
create mode 100644 Documentation/devicetree/binding
Hi Greg!
Please apply.
v11 -> v12 changes
- patches 11 and 12 folded into patches 6 and 3 respectively.
v10 -> v11 changes
- added a fixes-tag and an ack from Jonathan on patch 11
- added a new patch (12) with a fix for messed up error path reported
by Paul Gortmaker.
- fixed some editorial ni
On Mon, Mar 27, 2017 at 03:46:47PM +0200, Peter Rosin wrote:
> On 2017-03-27 15:06, Johan Hovold wrote:
> > On Mon, Mar 27, 2017 at 02:17:48PM +0200, Peter Rosin wrote:
> >> Comparing a size_t with less than zero is always false as size_t
> >> is unsigned. So, change the type of the variable to ssi
On 2017-03-27 15:06, Johan Hovold wrote:
> On Mon, Mar 27, 2017 at 02:17:48PM +0200, Peter Rosin wrote:
>> Comparing a size_t with less than zero is always false as size_t
>> is unsigned. So, change the type of the variable to ssize_t and
>> replicate the size check from mux_configure_channel() int
On 15/03/2017 22:22, Michael S. Tsirkin wrote:
Guests running Mac OS 5, 6, and 7 (Leopard through Lion) have a problem:
unless explicitly provided with kernel command line argument
"idlehalt=0" they'd implicitly assume MONITOR and MWAIT availability,
without checking CPUID.
We currently emulat
On Mon, Mar 27, 2017 at 02:17:48PM +0200, Peter Rosin wrote:
> Comparing a size_t with less than zero is always false as size_t
> is unsigned. So, change the type of the variable to ssize_t and
> replicate the size check from mux_configure_channel() into
> mux_write_ext_info() thus ensuring that th
On Mon, Mar 27, 2017 at 9:49 PM, Mauro Carvalho Chehab
wrote:
> Em Sun, 26 Mar 2017 13:11:15 -0600
> Jonathan Corbet escreveu:
>
>> On Sun, 26 Mar 2017 23:25:50 +0900
>> SeongJae Park wrote:
>>
>> CC += davem
>>
>> If nobody objects, I'll just take this through the docs tree.
>
> I have just one
As ftp.kernel.org is closed [0], this commit fixes dead URLs in
documents to use www.kernel.org instead.
[0] https://www.kernel.org/shutting-down-ftp-services.html
Signed-off-by: SeongJae Park
Acked-by: Theodore Ts'o
Acked-by: David S. Miller
Reviewed-by: Mauro Carvalho Chehab
---
Documentat
Em Sun, 26 Mar 2017 13:11:15 -0600
Jonathan Corbet escreveu:
> On Sun, 26 Mar 2017 23:25:50 +0900
> SeongJae Park wrote:
>
> CC += davem
>
> If nobody objects, I'll just take this through the docs tree.
I have just one comment. See below.
> > diff --git a/Documentation/filesystems/nfs/nfs-r
This is a general purpose i2c mux that uses a multiplexer controlled by
the multiplexer subsystem to do the muxing.
The user can select if the mux is to be mux-locked and parent-locked
as described in Documentation/i2c/i2c-topology.
Acked-by: Jonathan Cameron
Acked-by: Wolfram Sang
Signed-off-b
The error handling is mixed up. mux_chip_alloc() doesn't return an error
pointer (just NULL on failure), so check for NULL instead of using IS_ERR.
devm_mux_chip_alloc is documented to return NULL on failure, so fix that
as well.
All users of devm_mux_chip_alloc() are coded according to documentat
Extend the inkern api with functions for reading and writing ext_info
of iio channels.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/iio/inkern.c | 60
include/linux/iio/consumer.h | 37 +++
2 files
Analog Devices ADG792A/G is a triple 4:1 mux.
Reviewed-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
drivers/mux/Kconfig | 12
drivers/mux/Makefile | 1 +
drivers/mux/mux-adg792a.c | 140 ++
3 files changed, 153 insertions(+)
Comparing a size_t with less than zero is always false as size_t
is unsigned. So, change the type of the variable to ssize_t and
replicate the size check from mux_configure_channel() into
mux_write_ext_info() thus ensuring that the size will fit in the
ssize_t variable.
Detected by CoverityScan, C
Analog Devices ADG792A/G is a triple 4:1 mux.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/mux/adi,adg792a.txt| 75 ++
1 file changed, 75 insertions(+)
create mode 100644 Documentation/devicetree/binding
Describe how a multiplexer can be used to select which signal is fed to
an io-channel.
Acked-by: Jonathan Cameron
Acked-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../bindings/iio/multiplexer/io-channel-mux.txt| 39 ++
MAINTAINERS
Allow specifying that a single multiplexer controller can be used to
control several parallel multiplexers, thus enabling sharing of the
multiplexer controller by different consumers.
Add a binding for a first mux controller in the form of a GPIO based mux
controller.
Acked-by: Jonathan Cameron
When a multiplexer changes how an iio device behaves (for example
by feeding different signals to an ADC), this driver can be used
to create one virtual iio channel for each multiplexer state.
Depends on the generic multiplexer subsystem.
Cache any ext_info values from the parent iio channel, cre
Describe how a general purpose multiplexer controller is used to mux an
i2c bus.
Acked-by: Jonathan Cameron
Reviewed-by: Rob Herring
Signed-off-by: Peter Rosin
---
.../devicetree/bindings/i2c/i2c-mux-gpmux.txt | 99 ++
1 file changed, 99 insertions(+)
create mode 1006
Add a new minimalistic subsystem that handles multiplexer controllers.
When multiplexers are used in various places in the kernel, and the
same multiplexer controller can be used for several independent things,
there should be one place to implement support for said multiplexer
controller.
A singl
Everything else is indented with two spaces, so fix the odd one out.
Acked-by: Jonathan Cameron
Signed-off-by: Peter Rosin
---
Documentation/driver-model/devres.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/driver-model/devres.txt
b/Documentation/driver-
Hi Greg!
Since you didn't want to pull this, please consider applying the raw
patches instead. The patches have been in linux-next for a couple of
weeks like this already, but whatever works for you...
Please just use the text from the pull request I sent earlier if you
still need something for a
Add maintainer for the newly introduced PCI EP framework.
Signed-off-by: Kishon Vijay Abraham I
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index c265a5fe4848..3c1b947811e2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9581,6 +9581,15 @
The PCIe controller integrated in dra7xx SoCs is capable of operating
in endpoint mode. Add endpoint mode support to dra7xx driver.
Signed-off-by: Kishon Vijay Abraham I
---
drivers/pci/dwc/Kconfig | 31 +-
drivers/pci/dwc/Makefile | 4 +-
drivers/pci/dwc/pci-dra7xx.c
Introduce a new configfs entry to configure the EP function (like
configuring the standard configuration header entries) and to
bind the EP function with EP controller.
Signed-off-by: Kishon Vijay Abraham I
---
drivers/pci/endpoint/Kconfig | 9 +
drivers/pci/endpoint/Makefile | 1 +
Introduce a new EP core layer in order to support endpoint functions
in linux kernel. This comprises of EPC library
(Endpoint Controller Library) and EPF library (Endpoint
Function Library). EPC library implements functions that is specific
to an endpoint controller and EPF library implements funct
Add Documentation to help users use endpoint library to enable endpoint
mode in the PCI controller and add new PCI endpoint functions.
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/PCI/00-INDEX | 2 +
Documentation/PCI/endpoint/pci-endpoint.txt | 215
Adds a new endpoint function driver (to program the virtual
test device) making use of the EP-core library.
Signed-off-by: Kishon Vijay Abraham I
---
drivers/pci/endpoint/Kconfig | 2 +
drivers/pci/endpoint/Makefile | 2 +-
drivers/pci/endpoint/functions/Kcon
Add device tree binding documentation for pci designware EP mode.
Acked-by: Rob Herring
Signed-off-by: Kishon Vijay Abraham I
---
.../devicetree/bindings/pci/designware-pcie.txt| 26 +++---
1 file changed, 18 insertions(+), 8 deletions(-)
diff --git a/Documentation/devicetr
Add binding documentation for pci-test endpoint function that helps in
adding and configuring pci-test endpoint function.
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/PCI/00-INDEX | 2 ++
.../PCI/endpoint/function/binding/pci-test.txt | 17 ++
The PCIe programming sequence in TRM suggests CLKSTCTRL of PCIe should
be set to SW_WKUP. There are no issues when CLKSTCTRL is set to HW_AUTO
in RC mode. However in EP mode, the host system is not able to access the
MEMSPACE and setting the CLKSTCTRL to SW_WKUP fixes it.
Acked-by: Tony Lindgren
Add endpoint mode support to designware driver. This uses the
EP Core layer introduced recently to add endpoint mode support.
*Any* function driver can now use this designware device
in order to achieve the EP functionality.
Signed-off-by: Kishon Vijay Abraham I
---
drivers/pci/dwc/Kconfig
Add specification for the *pci test* virtual function device. The endpoint
function driver and the host pci driver should be created based on this
specification.
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/PCI/00-INDEX | 2 +
Documentation/PCI/endpoint/pci-test
According to errata i870, access to the PCIe slave port
that are not 32-bit aligned will result in incorrect mapping
to TLP Address and Byte enable fields.
Accessing non 32-bit aligned data causes incorrect data in the target
buffer if memcpy is used. Implement the workaround for this
errata here.
Add a simple test script that invokes the pcitest userspace tool
to perform all the PCI endpoint tests (BAR tests, interrupt tests,
read tests, write tests and copy tests).
Signed-off-by: Kishon Vijay Abraham I
---
tools/pci/pcitest.sh | 56
1
Add PCI endpoint test driver that can verify base address
register, legacy interrupt/MSI interrupt and read/write/copy
buffers between host and device. The corresponding pci-epf-test
function driver should be used on the EP side.
Signed-off-by: Kishon Vijay Abraham I
---
drivers/misc/Kconfig
Update device tree binding documentation of TI's dra7xx PCI
controller to include property for enabling unaligned mem access.
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/devicetree/bindings/pci/ti-pci.txt | 5 +
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetr
Add device tree binding documentation for pci dra7xx EP mode.
Acked-by: Rob Herring
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/devicetree/bindings/pci/ti-pci.txt | 37 +++-
1 file changed, 30 insertions(+), 7 deletions(-)
diff --git a/Documentation/devicetree/b
Add a userspace tool to invoke the ioctls exposed by the
PCI endpoint test driver to perform various PCI tests.
Signed-off-by: Kishon Vijay Abraham I
---
tools/pci/pcitest.c | 186
1 file changed, 186 insertions(+)
create mode 100644 tools/pc
Add device IDs for DRA74x and DRA72x devices. These devices have
configurable PCI endpoint.
Signed-off-by: Kishon Vijay Abraham I
---
include/linux/pci_ids.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index a4f77feecbb0..5f6b71d15393 1
Add documentation to help users use pci-epf-test function driver
and pci_endpoint_test host driver for testing PCI.
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/PCI/00-INDEX| 2 +
Documentation/PCI/endpoint/pci-test-howto.txt | 179 ++
2 f
Add Documentation for pci-endpoint-test driver.
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/misc-devices/pci-endpoint-test.txt | 35
1 file changed, 35 insertions(+)
create mode 100644 Documentation/misc-devices/pci-endpoint-test.txt
diff --git a/Documentat
Invoke API's provided by pci-ep-cfs to create configfs entry for
every EPC device and EPF driver to help users in creating EPF device
and binding the EPF device to the EPC device.
Signed-off-by: Kishon Vijay Abraham I
---
drivers/pci/endpoint/pci-epc-core.c | 4
drivers/pci/endpoint/pci-epf
Add documentation for the optional #syscon-cells property to determine
the number of cells that should be given in the phandle while
referencing the syscon-node.
Suggested-by: Rob Herring
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/devicetree/bindings/mfd/syscon.txt | 2 ++
1 file c
No functional change. Split dra7xx_pcie_enable_interrupts into
dra7xx_pcie_enable_wrapper_interrupts and dra7xx_pcie_enable_msi_interrupts
so that wrapper interrupts and msi interrupts can be enabled independently.
This is in preparation for adding EP mode support to dra7xx driver since
EP mode doe
Add Documentation to help users use pci endpoint to configure
pci endpoint function and to bind the endpoint function
with endpoint controller.
Signed-off-by: Kishon Vijay Abraham I
---
Documentation/PCI/00-INDEX | 2 +
Documentation/PCI/endpoint/pci-endpoint-cfs.txt | 105
Hi Bjorn,
Please find the pull request for PCI endpoint support below. I've
also included all the history here.
Changes from v4:
*) add #syscon-cells property and used of_parse_phandle_with_args
to perform a configuration in syscon module (as suggested by
Rob Herring)
*) Remove unnecessary
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