The existing code has 3 calls to iommu_register_group() and
all 3 branches actually cover all possible cases.
This replaces 3 calls with one and moves the registration earlier;
the latter will make more sense when we add TCE table sharing.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
The set_iommu_table_base_and_group() name suggests that the function
sets table base and add a device to an IOMMU group.
The actual purpose for table base setting is to put some reference
into a device so later iommu_add_device() can get the IOMMU group
reference and the device to the group.
At the moment a group cannot be explicitly passed to iommu_add_device()
as we want it to work from the bus notifier, we can fix it later and
remove confusing calls of set_iommu_table_base().
This replaces set_iommu_table_base_and_group() with a couple of
set_iommu_table_base() + iommu_add_device() which makes reading the code
easier.
This adds few comments why set_iommu_table_base() and iommu_add_device()
are called where they are called.
For IODA1/2, this essentially removes iommu_add_device() call from
the pnv_pci_ioda_dma_dev_setup() as it will always fail at this particular
place:
- for physical PE, the device is already attached by iommu_add_device()
in pnv_pci_ioda_setup_dma_pe();
- for virtual PE, the sysfs entries are not ready to create all symlinks
so actual adding is happening in tce_iommu_bus_notifier.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This relies on the fact that a PCI device always has an IOMMU table
which may not be the case when we get dynamic DMA windows so
let's use more reliable check for IOMMU group here.
As we do not rely on the table presence here, remove the workaround
from pnv_pci_ioda2_set_bypass(); also remove the @add_to_iommu_group
parameter from pnv_ioda_setup_bus_dma().
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-06-09
This series contains updates to ixgbe only.
The series adds additional support for x550 support, such as WoL and
auto-negotiation of flow control. Adds new PHY support (external PHY)
for x550, as well as the new methods/functions needed to support the new
PHY's. Fixed a bug found in code inspection, where a check was missed
when clearing counters for x550. Also fixed the init code flow for copper
x550 devices.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
A reorganisation of the PD allocation and deallocation in commit
9ba1377daa ("RDMA/ocrdma: Move PD resource management to driver.")
introduced a double free on pd, as detected by static analysis by
smatch:
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c:682 ocrdma_alloc_pd()
error: double free of 'pd'^
The original call to ocrdma_mbx_dealloc_pd() (which does not kfree
pd) was replaced with a call to _ocrdma_dealloc_pd() (which does
kfree pd). The kfree following this call causes the double free,
so just remove it to fix the problem.
Fixes: 9ba1377daa ("RDMA/ocrdma: Move PD resource management to driver.")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-By: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This code causes a static checker warning:
drivers/infiniband/hw/usnic/usnic_uiom.c:476 usnic_uiom_alloc_pd()
warn: passing zero to 'PTR_ERR'
This code isn't buggy, but iommu_domain_alloc() doesn't return an error
pointer so we can simplify the error handling and silence the static
checker warning.
The static checker warning is to catch place which do:
if (!ptr)
return ERR_PTR(ptr);
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Dave Goodell <dgoodell@cisco.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Use kernel.h macro definition.
Thanks to Julia Lawall for Coccinelle scripting support.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Since the addition of sysfs multicast router support if one set
multicast_router to "2" more than once, then the port would be added to
the hlist every time and could end up linking to itself and thus causing an
endless loop for rlist walkers.
So to reproduce just do:
echo 2 > multicast_router; echo 2 > multicast_router;
in a bridge port and let some igmp traffic flow, for me it hangs up
in br_multicast_flood().
Fix this by adding a check in br_multicast_add_router() if the port is
already linked.
The reason this didn't happen before the addition of multicast_router
sysfs entries is because there's a !hlist_unhashed check that prevents
it.
Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Fixes: 0909e11758 ("bridge: Add multicast_router sysfs entries")
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the TIPC connection timer expires in a probing state, a
self abort message is supposed to be generated and delivered
to the local socket. This is currently broken, and the abort
message is actually sent out to the peer node with invalid
addressing information. This will cause the link to enter
a constant retransmission state and eventually reset.
We fix this by removing the self-abort message creation and
tear down connection immediately instead.
Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Until now module dell-laptop registered rfkill device which used i8042
filter function for receiving HW switch rfkill events (handling special
keycode).
But for some dell laptops there is native ACPI driver dell-rbtn which can
receive rfkill events (without i8042 hooks).
So this patch will combine best from both sides. It will use native ACPI
driver dell-rbtn for receiving events and dell-laptop SMBIOS interface for
enabling or disabling radio devices. If ACPI driver or device will not be
available fallback to i8042 filter function will be used.
Patch also changes module_init() to late_initcall() to ensure that init
function will be called after initializing dell-rbtn.c driver.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch exports notifier functions so other modules can receive HW
switch events. By default when some module register notifier, dell-rbtn
driver automatically remove rfkill interfaces from system (it is expected
that other module will use events for other rfkill interface). This
behaviour can be changed with new module parameter "auto_remove_rfkill".
This patch is designed for dell-laptop module for receiving those events.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
[dvhart@linux.intel.com: Cleanup MODULE_PARM_DESC formatting and grammar]
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This is an ACPI driver for Dell laptops which receive HW slider radio
switch or hotkey toggle wifi button events. It exports rfkill device
dell-rbtn (which provide correct hard rfkill state) or hotkey input device.
Alex Hung is author of original hotkey input device code.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Cc: Alex Hung <alex.hung@canonical.com>
[fengguang.wu@intel.com: rbtn_ops can be static]
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
[dvhart@linux.intel.com: Correct multi-line comment formatting]
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Hariprasad Shenai says:
====================
Add cim_ma_la, cim_pif_la and tx_rate debugfs entry
This patch series adds the following.
Add debugfs entry to dump CIM MA logic analyzer and CIM PIF logic analyzer logs.
Also adds support to dump tx rate of the channels in the adapter
This patch series has been created against net-next tree and includes
patches on cxgb4 driver.
We have included all the maintainers of respective drivers. Kindly review
the change and let us know in case of any review comments.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
EXTRA_CFLAGS should be used on the command line only.
Since EXTRA_CFLAGS here add only a non-existant path to compiler
include paths (by -I), remove EXTRA_CFLAGS completely.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before this patch the user-specified bridge port was ignored when
deleting an fdb entry and thus one could delete an entry that belonged
to any port.
Example (eth0 and eth1 are br0 ports):
bridge fdb add 00:11:22:33:44:55 dev eth0 master
bridge fdb del 00:11:22:33:44:55 dev eth1 master
(succeeds)
after the patch:
bridge fdb add 00:11:22:33:44:55 dev eth0 master
bridge fdb del 00:11:22:33:44:55 dev eth1 master
RTNETLINK answers: No such file or directory
Based on a patch by Wilson Kok.
Reported-by: Wilson Kok <wkok@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'linux-can-next-for-4.2-20150609' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2015-05-06
this is a pull request of a two patches for net-next.
The first patch is by Tomas Krcka, he fixes the (currently unused)
register address for acceptance filters. Oliver Hartkopp contributes a
patch for the cangw, where an optional UID is added to reference
routing jobs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This merges and resolves the non-trivial conflicts with the recent fix
for hda-i915 binding fallback.
Conflicts:
sound/pci/hda/hda_intel.c
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Currently snd-hda-intel driver aborts the probing of Intel HD-audio
controller with i915 power well management when binding with i915
driver via hda_i915_init() fails. This is no big problem for Haswell
and Broadwell where the HD-audio controllers are dedicated to
HDMI/DP, thus i915 link is mandatory. However, Skylake, Baytrail and
Braswell have only one controller and both HDMI/DP and analog codecs
share the same bus. Thus, even if HDMI/DP isn't usable, we should
keep the controller working for other codecs.
For fixing this, this patch simply allows continuing the probing even
if hda_i915_init() call fails. This may leave stale sound components
for HDMI/DP devices that are unbound with graphics. We could abort
the probing selectively, but from the code simplicity POV, it's better
to continue in all cases.
Reported-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Registering an event handler is done for a device. This device may have
one RoCE port (no SA cap) and one InfiniBand port (has SA cap).
Therefore, warning from the event handler about a specific port that
doesn't have SA cap is correct but pollutes the kernel log without a
need.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
The Subnet Administrator (SA) is not a component of the RoCE spec.
Therefore, it should not be a capability of a RoCE port.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Given Linus announced a 4.8rc coming up, hopefully time for one more
lot of IIO patches this cycle. Some of these are actually
improvements / fixes for patches earlier in the cycle.
New device support
* st_accel driver - support devices with 8 bit channels.
Cleanup
* A general cleanup of the iio tools under /tools/ from Hartmut.
I'm more than a little embarassed by how bad some of these were! Are well,
much more refined and less bug prone now.
These cover lots of stuff like unhandled error returns, memory leaks as
well as general refactoring to tidy the code up.
* iio_simple_dummy - fix memory leaks in the init functions, drop some
pointless error returns from functions that never generate errors and
make the module parameter explicitly unsigned.
* More buffer handling reworks from Lars-Peter, this time targetting hardware
buffers (a little used corner that looks likely to get more use in the near
future). Specifically:
- Always compute the masklength as inkernel buffer users may need it.
- Add a means of labeling which buffer modes a given buffer implementation
supports.
- In the case of hardware buffers, require strict scan matching rather than
matching to a superset. Currently the demux is bypassed by these drivers
(this may well not change for efficiency reasons) so allowing a superset
of channels to be selected would otherwise lead to more data than requested
confusing userspace.
Driver funcationality improvments
* mmc35240 - adds a compensation to the raw values as borrowed form Memsic's
own input driver.
* mma8452
- event support
- event debouncing
- high pass filter configuration
- triggers
* vf610 - allow conversion mode to be adjusted
Fixlets
* mmc35240
- Off by one error that by coincidence had no real effect.
- i2c_device_name should be lowercase.
- Lack of null terminator at end of attributes array.
- Avoid computing the fractional part of the magnetic field by moving
the scaling into userspace where floating point is available to simplify
the maths.
- Use a smaller sleep before assuming the measurement is done. This is
safe and improves the possible polling rate.
- Fix sensitivity on z-axis - datasheet disagrees with Memsic's releasedd
code and the value used in the code seems to be correct.
* stk3310 - make a local variable signed to ensure error handling works.
* twl4030
- fix calculation of the temperature sense current - bug unlikely
to have ever been noticed as the difference is small.
- Fix errors in descriptions.
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Merge tag 'iio-for-v4.2c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third round of new IIO drivers, cleanups and functionality for the 4.2 cycle.
Given Linus announced a 4.8rc coming up, hopefully time for one more
lot of IIO patches this cycle. Some of these are actually
improvements / fixes for patches earlier in the cycle.
New device support
* st_accel driver - support devices with 8 bit channels.
Cleanup
* A general cleanup of the iio tools under /tools/ from Hartmut.
I'm more than a little embarassed by how bad some of these were! Are well,
much more refined and less bug prone now.
These cover lots of stuff like unhandled error returns, memory leaks as
well as general refactoring to tidy the code up.
* iio_simple_dummy - fix memory leaks in the init functions, drop some
pointless error returns from functions that never generate errors and
make the module parameter explicitly unsigned.
* More buffer handling reworks from Lars-Peter, this time targetting hardware
buffers (a little used corner that looks likely to get more use in the near
future). Specifically:
- Always compute the masklength as inkernel buffer users may need it.
- Add a means of labeling which buffer modes a given buffer implementation
supports.
- In the case of hardware buffers, require strict scan matching rather than
matching to a superset. Currently the demux is bypassed by these drivers
(this may well not change for efficiency reasons) so allowing a superset
of channels to be selected would otherwise lead to more data than requested
confusing userspace.
Driver funcationality improvments
* mmc35240 - adds a compensation to the raw values as borrowed form Memsic's
own input driver.
* mma8452
- event support
- event debouncing
- high pass filter configuration
- triggers
* vf610 - allow conversion mode to be adjusted
Fixlets
* mmc35240
- Off by one error that by coincidence had no real effect.
- i2c_device_name should be lowercase.
- Lack of null terminator at end of attributes array.
- Avoid computing the fractional part of the magnetic field by moving
the scaling into userspace where floating point is available to simplify
the maths.
- Use a smaller sleep before assuming the measurement is done. This is
safe and improves the possible polling rate.
- Fix sensitivity on z-axis - datasheet disagrees with Memsic's releasedd
code and the value used in the code seems to be correct.
* stk3310 - make a local variable signed to ensure error handling works.
* twl4030
- fix calculation of the temperature sense current - bug unlikely
to have ever been noticed as the difference is small.
- Fix errors in descriptions.
Powerpc powernv platforms allow access to certain system flash devices
through a firmwarwe interface. This change adds an mtd driver for these
flash devices.
Minor updates from Jeremy Kerr and Joel Stanley.
Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Reviewed-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
The goto is correct, and we never reach the return statement so just
delete the dead code.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
virtio_gpu_alloc_object() returns an error pointer, it never returns
NULL.
Fixes: dc5698e80c ('Add virtio gpu driver.')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
More fixes for amdgpu for 4.2. We've integrated Jerome's comments
about the interface among other things. I'll be on vacation next week
so Christian will be handling any updates next week.
* 'drm-next-4.2-amdgpu' of git://people.freedesktop.org/~agd5f/linux: (23 commits)
drm/amdgpu: fix a amdgpu_dpm=0 bug
drm/amdgpu: don't enable/disable display twice on suspend/resume
drm/amdgpu: fix UVD/VCE VM emulation
drm/amdgpu: enable vce powergating
drm/amdgpu/iceland: don't call smu_init on resume
drm/amdgpu/tonga: don't call smu_init on resume
drm/amdgpu/cz: don't call smu_init on resume
drm/amdgpu: update to latest gfx8 golden register settings
drm/amdgpu: whitespace cleanup in gmc8 golden regs
drm/admgpu: move XDMA golden registers to dce code
drm/amdgpu: fix the build on big endian
drm/amdgpu: cleanup UAPI comments
drm/amdgpu: remove AMDGPU_CTX_OP_STATE_RUNNING
drm/amdgpu: remove the VI hardware semaphore in ring sync
drm/amdgpu: set the gfx config properly for all CZ variants (v2)
drm/amdgpu: also print the pci revision when printing the pci ids
drm/amdgpu: cleanup VA IOCTL
drm/amdgpu: fix saddr handling in amdgpu_vm_bo_unmap
drm/amdgpu: fix amdgpu_vm_bo_map
drm/amdgpu: remove unused AMDGPU_IB_FLAG_GDS
...
The xdmac channel configuration is done in one cell not two. This error
prevents from probing devices correctly.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Fixes: 83906783b7 ("ARM: at91/dt: sama5d4: add aes, sha and tdes nodes")
Cc: stable@vger.kernel.org # 4.1
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Just a minor change for code style
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Merge tag 'usb-ci-v4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-work
Peter writes:
USB Chipidea update for v4.2-rc1
Just a minor change for code style
Eliminate "space prohibited before that ','" errors found by checkpatch,
but do this only to lines which after the patch is applied do not
exceed 80 characters. Out of that only those lines are changed, whose
context does not exceed 80 characters in each line. In other words the
changes are limited to cases where the patch generated is itself
checkpatch-correct.
Rebased onto next-20150605.
Signed-off-by: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes a space prohibited before that ',' and space required after
that ',' error in lustre/lustre/obdclass/dt_object.c that were
found by the checkpatch.pl tool.
Signed-off-by: Zoltán Lajos Kis <zoltan.lajos.kis@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes a braces {} are not necessary for any arm of this statement
warning in lustre/lustre/obdclass/dt_object.c that was found by
the checkpatch.pl tool.
Signed-off-by: Zoltán Lajos Kis <zoltan.lajos.kis@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes a line over 80 characters warining in
lustre/lustre/obdclass/dt_object.c that was found by the
checkpatch.pl tool.
Signed-off-by: Zoltán Lajos Kis <zoltan.lajos.kis@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use kernel.h macro definition.
Thanks to Julia Lawall for Coccinelle scripting support.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Point to the right place for GNU license. Update Intel copyright.
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Handle all the style issues reported by checkpatch.pl.
Remove general white spaces, spaces in function calls,
etc.
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Instead of handling calls to struct proto ourselves we can use
equivalent kernel wrappers. No wrapper exist for unlocked ioctl
handling so we create one here for our use. I expect some day
that function will be integrated into sock.c.
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With all the TCPIP handling done in the lnet layer we should
rename all the functions with the prefix lnet_*. One other
change done was changing the remove argument of lnet_sock_getaddr
from a int to a bool.
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Another one of those silly one line wrappers which is not
needed. Replace libcfs_sock_abort_accept wrapper with a
direct call to wake_up_all on the lnet_acceptor_state sock.
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is no reason to have a one line exported function
libcfs_sock_release. Instead we can call sock_release directly.
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aligned enum members and defines to follow a common style
per enum/(group of defines).
Signed-off-by: Stanislav Kholmanskikh <kholmanskikh.s.s@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Changed 'return(X)' to 'return X' in coreconfigurator.c
to satisfy checkpatch.pl warning:
ERROR: return is not a function, parentheses are not required
Signed-off-by: Stanislav Kholmanskikh <kholmanskikh.s.s@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In accordance to checkpatch.pl, a space before a quoted
newline ("\n") is unnecessary, therefore substituted " \n"
with "\n" in coreconfigurator.c
Signed-off-by: Stanislav Kholmanskikh <kholmanskikh.s.s@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch is for the initialization of the local variables.
Signed-off-by: Johnny Kim <johnny.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This remove compile warnings about printk format.
Signed-off-by: Johnny Kim <johnny.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
