This patch introduces a kernel config option and a module param. Both can
be used independently to turn the default value of redirect_dir on or off.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Before introducing redirect_dir feature, the condition
!ovl_lower_positive(dentry) for a directory, implied that it is a pure
upper directory, which may be removed if empty.
Now that directory can be redirect, it is possible that upper does not
cover any lower (i.e. !ovl_lower_positive(dentry)), but the directory is a
merge (with redirected path) and maybe non empty.
Check for this case in ovl_remove_upper().
This change fixes the following test case from rename-pop-dir.py
of unionmount-testsuite:
"""Remove dir and rename old name"""
d = ctx.non_empty_dir()
d2 = ctx.no_dir()
ctx.rmdir(d, err=ENOTEMPTY)
ctx.rename(d, d2)
ctx.rmdir(d, err=ENOENT)
ctx.rmdir(d2, err=ENOTEMPTY)
./run --ov rename-pop-dir
/mnt/a/no_dir103: Expected error (Directory not empty) was not produced
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Current code returns EXDEV when a directory would need to be copied up to
move. We could copy up the directory tree in this case, but there's
another, simpler solution: point to old lower directory from moved upper
directory.
This is achieved with a "trusted.overlay.redirect" xattr storing the path
relative to the root of the overlay. After such attribute has been set,
the directory can be moved without further actions required.
This is a backward incompatible feature, old kernels won't be able to
correctly mount an overlay containing redirected directories.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
If a directory has the "trusted.overlay.redirect" xattr, it means that the
value of the xattr should be used to find the underlying directory on the
next lower layer.
The redirect may be relative or absolute. Absolute redirects begin with a
slash.
A relative redirect means: instead of the current dentry's name use the
value of the redirect to find the directory in the next lower
layer. Relative redirects must not contain a slash.
An absolute redirect means: look up the directory relative to the root of
the overlay using the value of the redirect in the next lower layer.
Redirects work on lower layers as well.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Use a common helper for lookup of upper and lower layers. This paves the
way for looking up directory redirects.
No functional change.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
When the upper overlayfs checks "trusted.overlay.*" xattr on the underlying
overlayfs mount, it gets -EPERM, which confuses the upper overlayfs.
Fix this by returning -EOPNOTSUPP instead of -EPERM from
ovl_own_xattr_get() and ovl_own_xattr_set(). This behavior is consistent
with the behavior of ovl_listxattr(), which filters out the private
overlayfs xattrs.
Note: nested overlays are deprecated. But this change makes sense
regardless: these xattrs are private to the overlay and should always be
hidden. Hence getting and setting them should indicate this.
[SzMi: Use EOPNOTSUPP instead of ENODATA and use it for both getting and
setting "trusted.overlay." xattrs. This is a perfectly valid error code
for "we don't support this prefix", which is the case here.]
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
We already calculate f_namelen in statfs as the maximum of the name lengths
provided by the filesystems taking part in the overlay.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
fs/overlayfs/super.c is the biggest of the overlayfs source files and it
contains various utility functions as well as the rather complicated lookup
code. Split these parts out to separate files.
Before:
1446 fs/overlayfs/super.c
After:
919 fs/overlayfs/super.c
267 fs/overlayfs/namei.c
235 fs/overlayfs/util.c
51 fs/overlayfs/ovl_entry.h
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
If encountering a non-directory, then stop looking at lower layers.
In this case the oe->opaque flag is not set anymore, which doesn't matter
since existence of lower file is now checked at remove/rename time.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Check if something exists on the lower layer(s) under the target or rename
to decide if directory needs to be marked "opaque".
Marking opaque is done before the rename, and on failure the marking was
undone. Also the opaque xattr was removed if the target didn't cover
anything.
This patch changes behavior so that removal of "opaque" is not done in
either of the above cases. This means that directory may have the opaque
flag even if it doesn't cover anything. However this shouldn't affect the
performance or semantics of the overalay, while simplifying the code.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
d_is_dir() is safe to call on a negative dentry. Use this fact to simplify
handling of the lower or merged directories.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Currently ovl_lookup() checks existence of lower file even if there's a
non-directory on upper (which is always opaque). This is done so that
remove can decide whether a whiteout is needed or not.
It would be better to defer this check to unlink, since most of the time
the gathered information about opaqueness will be unused.
This adds a helper ovl_lower_positive() that checks if there's anything on
the lower layer(s).
The following patches also introduce changes to how the "opaque" attribute
is updated on directories: this attribute is added when the directory is
creted or moved over a whiteout or object covering something on the lower
layer. However following changes will allow the attribute to remain on the
directory after being moved, even if the new location doesn't cover
anything. Because of this, we need to check lower layers even for opaque
directories, so that whiteout is only created when necessary.
This function will later be also used to decide about marking a directory
opaque, so deal with negative dentries as well. When dealing with
negative, it's enough to check for being a whiteout
If the dentry is positive but not upper then it also obviously needs
whiteout/opaque.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Since commit 07a2daab49 ("ovl: Copy up underlying inode's ->i_mode to
overlay inode") sticky checking on overlay inode is performed by the vfs,
so checking against sticky on underlying inode is not needed.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This is redundant, the vfs already performed this check (and was broken,
see commit 9409e22acd ("vfs: rename: check backing inode being equal")).
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
No sense in opening special files on the underlying layers, they work just
as well if opened on the overlay.
Side effect is that it's no longer possible to connect one side of a pipe
opened on overlayfs with the other side opened on the underlying layer.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
When copying up within the same fs, try to use vfs_clone_file_range().
This is very efficient when lower and upper are on the same fs
with file reflink support. If vfs_clone_file_range() fails for any
reason, copy up falls back to the regular data copy code.
Tested correct behavior when lower and upper are on:
1. same ext4 (copy)
2. same xfs + reflink patches + mkfs.xfs (copy)
3. same xfs + reflink patches + mkfs.xfs -m reflink=1 (reflink)
4. different xfs + reflink patches + mkfs.xfs -m reflink=1 (copy)
For comparison, on my laptop, xfstest overlay/001 (copy up of large
sparse files) takes less than 1 second in the xfs reflink setup vs.
25 seconds on the rest of the setups.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This reverts commit 03bea60409.
Commit 4d0c5ba2ff ("vfs: do get_write_access() on upper layer of
overlayfs") makes the writecount checks inside overlayfs superfluous, the
file is already copied up and write access acquired on the upper inode when
ovl_setattr is called with ATTR_SIZE.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
The quirk for file locks and leases no longer applies.
Add missing info about renaming directory residing on lower layer.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
With overlayfs, it is wrong to compare file_inode(inode)->i_sb
of regular files with those of non-regular files, because the
former reference the real (upper/lower) sb and the latter reference
the overlayfs sb.
Move the test for same super block after the sanity tests for
clone range of directory and non-regular file.
This change fixes xfstest generic/157, which returned EXDEV instead
of EISDIR/EINVAL in the following test cases over overlayfs:
echo "Try to reflink a dir"
_reflink_range $testdir1/dir1 0 $testdir1/file2 0 $blksz
echo "Try to reflink a device"
_reflink_range $testdir1/dev1 0 $testdir1/file2 0 $blksz
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Move sb_start_write()/sb_end_write() out of the vfs helper and up into the
ioctl handler.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
FICLONE/FICLONERANGE ioctls return -EXDEV if src and dest
files are not on the same mount point.
Practically, clone only requires that src and dest files
are on the same file system.
Move the check for same mount point to ioctl handler and keep
only the check for same super block in the vfs helper.
A following patch is going to use the vfs_clone_file_range()
helper in overlayfs to copy up between lower and upper
mount points on the same file system.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
We've checked for file_out being opened for write. This ensures that we
already have mnt_want_write() on target.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This reverts commit 9409e22acd.
Since commit 51f7e52dc9 ("ovl: share inode for hard link") there's no
need to call d_real_inode() to check two overlay inodes for equality.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This reverts commit eb0a4a47ae.
Since commit 51f7e52dc9 ("ovl: share inode for hard link") there's no
need to call d_real_inode() to check two overlay inodes for equality.
Side effect of this revert is that it's no longer possible to connect one
socket on overlayfs to one on the underlying layer (something which didn't
make sense anyway).
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
KVMGT leverages vfio/mdev to mediate device accesses from guest,
this patch adds the vfio/mdev support, thereby completes the
functionality. An intel_vgpu is presented as a mdev device,
and full userspace API compatibility with vfio-pci is kept.
An intel_vgpu_ops is provided to mdev framework, methods get
called to create/remove a vgpu, to open/close it, and to
access it.
Signed-off-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Xiaoguang Chen <xiaoguang.chen@intel.com>
Signed-off-by: Jike Song <jike.song@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Previously to read/write a GPA, we at first try to pin the GFN it belongs
to, then translate the pinned PFN to a kernel HVA, then read/write it.
This is however not necessary. A GFN should be pinned IFF it would be
accessed by peripheral devices (DMA), not by CPU. This patch changes
the read/write method to KVM API, which will leverage userspace HVA
and copy_{from|to}_usr instead.
Signed-off-by: Jike Song <jike.song@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Make the avarage-samples property a general touchscreen property
rather than imx6ul device specific.
Signed-off-by: Guy Shapiro <guy.shapiro@mobi-wize.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
For warnings that should only ever trigger during development and
testing replace WARN statements with lockdep_assert_held. The lockdep
pattern is prevalent, and these paths are are well covered by libnvdimm
unit tests.
Reported-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Highlights include:
Stable bugfixes:
- Fix a pnfs deadlock between read resends and layoutreturn
- Don't invalidate the layout stateid while a layout return is outstanding
- Don't schedule a layoutreturn if the layout stateid is marked as invalid
- On a pNFS error, do not send LAYOUTGET until the LAYOUTRETURN is complete
- SUNRPC: fix refcounting problems with auth_gss messages.
Features:
- Add client support for the NFSv4 umask attribute.
- NFSv4: Correct support for flock() stateids.
- Add a LAYOUTRETURN operation to CLOSE and DELEGRETURN when return-on-close
is specified
- Allow the pNFS/flexfiles layoutstat information to piggyback on LAYOUTRETURN
- Optimise away redundant GETATTR calls when doing state recovery and/or
when not required by cache revalidation rules or close-to-open cache
consistency.
- Attribute cache improvements
- RPC/RDMA support for SG_GAP devices
Bugfixes:
- NFS: Fix performance regressions in readdir
- pNFS/flexfiles: Fix a deadlock on LAYOUTGET
- NFSv4: Add missing nfs_put_lock_context()
- NFSv4.1: Fix regression in callback retry handling
- Fix false positive NFSv4.0 trunking detection.
- pNFS/flexfiles: Only send layoutstats updates for mirrors that were updated
- Various layout stateid related bugfixes
- RPC/RDMA bugfixes
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Merge tag 'nfs-for-4.10-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
Stable bugfixes:
- Fix a pnfs deadlock between read resends and layoutreturn
- Don't invalidate the layout stateid while a layout return is
outstanding
- Don't schedule a layoutreturn if the layout stateid is marked as
invalid
- On a pNFS error, do not send LAYOUTGET until the LAYOUTRETURN is
complete
- SUNRPC: fix refcounting problems with auth_gss messages.
Features:
- Add client support for the NFSv4 umask attribute.
- NFSv4: Correct support for flock() stateids.
- Add a LAYOUTRETURN operation to CLOSE and DELEGRETURN when
return-on-close is specified
- Allow the pNFS/flexfiles layoutstat information to piggyback on
LAYOUTRETURN
- Optimise away redundant GETATTR calls when doing state recovery
and/or when not required by cache revalidation rules or
close-to-open cache consistency.
- Attribute cache improvements
- RPC/RDMA support for SG_GAP devices
Bugfixes:
- NFS: Fix performance regressions in readdir
- pNFS/flexfiles: Fix a deadlock on LAYOUTGET
- NFSv4: Add missing nfs_put_lock_context()
- NFSv4.1: Fix regression in callback retry handling
- Fix false positive NFSv4.0 trunking detection.
- pNFS/flexfiles: Only send layoutstats updates for mirrors that were
updated
- Various layout stateid related bugfixes
- RPC/RDMA bugfixes"
* tag 'nfs-for-4.10-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (82 commits)
SUNRPC: fix refcounting problems with auth_gss messages.
nfs: add support for the umask attribute
pNFS/flexfiles: Ensure we have enough buffer for layoutreturn
pNFS/flexfiles: Remove a redundant parameter in ff_layout_encode_ioerr()
pNFS/flexfiles: Fix a deadlock on LAYOUTGET
pNFS: Layoutreturn must free the layout after the layout-private data
pNFS/flexfiles: Fix ff_layout_add_ds_error_locked()
NFSv4: Add missing nfs_put_lock_context()
pNFS: Release NFS_LAYOUT_RETURN when invalidating the layout stateid
NFSv4.1: Don't schedule lease recovery in nfs4_schedule_session_recovery()
NFSv4.1: Handle NFS4ERR_BADSESSION/NFS4ERR_DEADSESSION replies to OP_SEQUENCE
NFS: Only look at the change attribute cache state in nfs_check_verifier
NFS: Fix incorrect size revalidation when holding a delegation
NFS: Fix incorrect mapping revalidation when holding a delegation
pNFS/flexfiles: Support sending layoutstats in layoutreturn
pNFS/flexfiles: Minor refactoring before adding iostats to layoutreturn
NFS: Fix up read of mirror stats
pNFS/flexfiles: Clean up layoutstats
pNFS/flexfiles: Refactor encoding of the layoutreturn payload
pNFS: Add a layoutreturn callback to performa layout-private setup
...
This includes the new virtio crypto device, and fixes all over the
place. In particular enabling endian-ness checks for sparse builds
found some bugs which this fixes. And it appears that everyone is in
agreement that disabling endian-ness sparse checks shouldn't be
necessary any longer.
So this enables them for everyone, and drops __CHECK_ENDIAN__
and __bitwise__ APIs.
IRQ handling in virtio has been refactored somewhat, the
larger switch to IRQ_SHARED will have to wait as
it proved too aggressive.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"virtio, vhost: new device, fixes, speedups
This includes the new virtio crypto device, and fixes all over the
place. In particular enabling endian-ness checks for sparse builds
found some bugs which this fixes. And it appears that everyone is in
agreement that disabling endian-ness sparse checks shouldn't be
necessary any longer.
So this enables them for everyone, and drops the __CHECK_ENDIAN__ and
__bitwise__ APIs.
IRQ handling in virtio has been refactored somewhat, the larger switch
to IRQ_SHARED will have to wait as it proved too aggressive"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (34 commits)
Makefile: drop -D__CHECK_ENDIAN__ from cflags
fs/logfs: drop __CHECK_ENDIAN__
Documentation/sparse: drop __CHECK_ENDIAN__
linux: drop __bitwise__ everywhere
checkpatch: replace __bitwise__ with __bitwise
Documentation/sparse: drop __bitwise__
tools: enable endian checks for all sparse builds
linux/types.h: enable endian checks for all sparse builds
virtio_mmio: Set dev.release() to avoid warning
vhost: remove unused feature bit
virtio_ring: fix description of virtqueue_get_buf
vhost/scsi: Remove unused but set variable
tools/virtio: use {READ,WRITE}_ONCE() in uaccess.h
vringh: kill off ACCESS_ONCE()
tools/virtio: fix READ_ONCE()
crypto: add virtio-crypto driver
vhost: cache used event for better performance
vsock: lookup and setup guest_cid inside vhost_vsock_lock
virtio_pci: split vp_try_to_find_vqs into INTx and MSI-X variants
virtio_pci: merge vp_free_vectors into vp_del_vqs
...
Clients can set the umask attribute when creating files to cause the
server to apply it always except when inheriting permissions from the
parent directory. That way, the new files will end up with the same
permissions as files created locally.
See https://tools.ietf.org/html/draft-ietf-nfsv4-umask-02 for more
details.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Pull ARM updates from Russell King:
- an update for clkdev registration error detection to simplify users
- add cpu capacity parsing from DT
- support for larger cachelines found on UniPhier caches
- documentation for udelay constants
- properly tag assembly function declarations
- remove unnecessary indirection of asm/mach-types.h
- switch to syscall table based generation to simplify future additions
of system calls, along with correpsonding commit for pkey syscalls
- remove redundant sa1101 header file
- RONX protect modules when they're in the vmalloc region
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: mm: allow set_memory_*() to be used on the vmalloc region
ARM: mm: fix set_memory_*() bounds checks
ARM: 8631/1: clkdev: Detect errors in clk_hw_register_clkdev() for mass registration
ARM: 8629/1: vfp: properly tag assembly function declarations in C code
ARM: 8622/3: add sysfs cpu_capacity attribute
ARM: 8621/3: parse cpu capacity-dmips-mhz from DT
ARM: 8623/1: mm: add ARM_L1_CACHE_SHIFT_7 for UniPhier outer cache
ARM: Update mach-types
ARM: sa1100: remove SA-1101 header file
ARM: 8619/1: udelay: document the various constants
ARM: wire up new pkey syscalls
ARM: convert to generated system call tables
ARM: remove indirection of asm/mach-types.h
Driver updates for ARM SoCs, including a couple of newly added drivers:
- A new driver for the power management controller on TI Keystone
- Support for the prerelease "SCPI" firmware protocol that ended up
being shipped by Amlogic in their GXBB SoC.
- A soc_device can now be matched using a glob from inside the
kernel, when another driver wants to know the specific chip
it is running on and cannot find out from DT, firmware or hardware.
- Renesas SoCs now support identification through the soc_device
interface, both in user space and kernel.
- Renesas r8a7743 and r8a7745 gain support for their system controller
- A new checking module for the ARM "PSCI" (not to be confused
with "SCPI" mentioned above) firmware interface.
- A new driver for the Tegra GMI memory interface
- Support for the Tegra firmware interfaces with their
power management controllers
As usual, the updates for the reset controller framework are merged
here, as they tend to touch multiple SoCs as well, including a new
driver for the Oxford (now Broadcom) OX820 chip and the Tegra
bpmp interface.
The existing drivers for Atmel, Qualcomm, NVIDIA, TI Davinci, and
Rockchips SoCs see some further updates.
Conflicts:
- ARCH_RENESAS now selects SOC_BUS, but no longer needs GPIOLIB
- drivers/soc/renesas/Makefile: multiple files got added, keep
all in logical sorting
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Driver updates for ARM SoCs, including a couple of newly added
drivers:
- A new driver for the power management controller on TI Keystone
- Support for the prerelease "SCPI" firmware protocol that ended up
being shipped by Amlogic in their GXBB SoC.
- A soc_device can now be matched using a glob from inside the
kernel, when another driver wants to know the specific chip it is
running on and cannot find out from DT, firmware or hardware.
- Renesas SoCs now support identification through the soc_device
interface, both in user space and kernel.
- Renesas r8a7743 and r8a7745 gain support for their system
controller
- A new checking module for the ARM "PSCI" (not to be confused with
"SCPI" mentioned above) firmware interface.
- A new driver for the Tegra GMI memory interface
- Support for the Tegra firmware interfaces with their power
management controllers
As usual, the updates for the reset controller framework are merged
here, as they tend to touch multiple SoCs as well, including a new
driver for the Oxford (now Broadcom) OX820 chip and the Tegra bpmp
interface.
The existing drivers for Atmel, Qualcomm, NVIDIA, TI Davinci, and
Rockchips SoCs see some further updates"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (76 commits)
misc: sram: remove useless #ifdef
drivers: psci: Allow PSCI node to be disabled
drivers: psci: PSCI checker module
soc: renesas: Identify SoC and register with the SoC bus
firmware: qcom: scm: Return PTR_ERR when devm_clk_get fails
firmware: qcom: scm: Remove core, iface and bus clocks dependency
dt-bindings: firmware: scm: Add MSM8996 DT bindings
memory: da8xx-ddrctl: drop the call to of_flat_dt_get_machine_name()
bus: da8xx-mstpri: drop the call to of_flat_dt_get_machine_name()
ARM: shmobile: Document DT bindings for Product Register
soc: renesas: rcar-sysc: add R8A7745 support
reset: Add Tegra BPMP reset driver
dt-bindings: firmware: Allow child nodes inside the Tegra BPMP
dt-bindings: Add power domains to Tegra BPMP firmware
firmware: tegra: Add BPMP support
firmware: tegra: Add IVC library
dt-bindings: firmware: Add bindings for Tegra BPMP
mailbox: tegra-hsp: Use after free in tegra_hsp_remove_doorbells()
mailbox: Add Tegra HSP driver
firmware: arm_scpi: add support for pre-v1.0 SCPI compatible
...
A couple of interesting new SoC platforms are now supported, these are
the respective DTS sources:
- Samsung Exynos5433 mobile phone platform, including an (almost) fully
supported phone reference board.
- Hisilicon Hip07 server platform and D05 board, the latest iteration
of their product line, now with 64 Cortex-A72 cores across two
sockets.
- Allwinner A64 SoC, the first 64-bit chip from their "sunxi" product
line, used in Android tablets and ultra-cheap development boards
- NXP LS1046A Communication processor, improving on the earlier LS1043A
with faster CPU cores
- Qualcomm MSM8992 (Snapdragon 808) and MSM8994 (Snapdragon 810)
mobile phone SoCs
- Early support for the Nvidia Tegra Tegra186 SoC
- Amlogic S905D is a minor variant of their existing Android consumer
product line
- Rockchip PX5 automotive platform, a close relative of their popular
rk3368 Android tablet chips
Aside from the respective evaluation platforms for the above
chips, there are only a few consumer devices and boards added
this time:
- Huawei Nexus 6P (Angler) mobile phone
- LG Nexus 5x (Bullhead) mobile phone
- Nexbox A1 and A95X Android TV boxes
- Pine64 development board based on Allwinner A64
- Globalscale Marvell ESPRESSOBin community board based on Armada 3700
- Renesas "R-Car Starter Kit Pro" (M3ULCB) low-cost automotive board
For the existing platforms, we get bug fixes and new peripheral support
for Juno, Renesas, Uniphier, Amlogic, Samsung, Broadcom, Rockchip, Berlin,
and ZTE.
Conflicts:
- Documentation/devicetree/bindings/arm/shmobile.txt: a
rename/add conflict, keep both modifications and maintain
alphabetical ordering.
- arch/arm64/boot/dts/*/*.dtsi: nodes were added in netdev,
mmc and clk, keep both sides in each case.
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Merge tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 64-bit DT updates from Arnd Bergmann:
"A couple of interesting new SoC platforms are now supported, these are
the respective DTS sources:
- Samsung Exynos5433 mobile phone platform, including an (almost)
fully supported phone reference board.
- Hisilicon Hip07 server platform and D05 board, the latest iteration
of their product line, now with 64 Cortex-A72 cores across two
sockets.
- Allwinner A64 SoC, the first 64-bit chip from their "sunxi" product
line, used in Android tablets and ultra-cheap development boards
- NXP LS1046A Communication processor, improving on the earlier
LS1043A with faster CPU cores
- Qualcomm MSM8992 (Snapdragon 808) and MSM8994 (Snapdragon 810)
mobile phone SoCs
- Early support for the Nvidia Tegra Tegra186 SoC
- Amlogic S905D is a minor variant of their existing Android consumer
product line
- Rockchip PX5 automotive platform, a close relative of their popular
rk3368 Android tablet chips
Aside from the respective evaluation platforms for the above chips,
there are only a few consumer devices and boards added this time:
- Huawei Nexus 6P (Angler) mobile phone
- LG Nexus 5x (Bullhead) mobile phone
- Nexbox A1 and A95X Android TV boxes
- Pine64 development board based on Allwinner A64
- Globalscale Marvell ESPRESSOBin community board based on Armada 3700
- Renesas "R-Car Starter Kit Pro" (M3ULCB) low-cost automotive board
For the existing platforms, we get bug fixes and new peripheral
support for Juno, Renesas, Uniphier, Amlogic, Samsung, Broadcom,
Rockchip, Berlin, and ZTE"
* tag 'armsoc-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (168 commits)
arm64: dts: fix build errors from missing dependencies
ARM64: dts: meson-gxbb: add SCPI pre-1.0 compatible
ARM64: dts: meson-gxl: Add support for Nexbox A95X
ARM64: dts: meson-gxm: Add support for the Nexbox A1
ARM: dts: artpec: add pcie support
arm64: dts: berlin4ct-dmp: add missing unit name to /memory node
arm64: dts: berlin4ct-stb: add missing unit name to /memory node
arm64: dts: berlin4ct: add missing unit name to /soc node
arm64: dts: qcom: msm8916: Add ddr support to sdhc1
arm64: dts: exynos: Enable HS400 mode for eMMC for TM2
ARM: dts: Add xo to sdhc clock node on qcom platforms
ARM64: dts: Add support for Meson GXM
dt-bindings: add rockchip RK1108 Evaluation board
arm64: dts: NS2: Add PCI PHYs
arm64: dts: NS2: enable sdio1
arm64: dts: exynos: Add the mshc_2 node for supporting T-Flash
arm64: tegra: Add NVIDIA P2771 board support
arm64: tegra: Enable PSCI on P3310
arm64: tegra: Add NVIDIA P3310 processor module support
arm64: tegra: Add GPIO controllers on Tegra186
...
Lots of changes as usual, so I'm trying to be brief here. Most of the
new hardware support has the respective driver changes merged through
other trees or has had it available for a while, so this is where things
come together.
We get a DT descriptions for a couple of new SoCs, all of them variants
of other chips we already support, and usually coming with a new
evaluation board:
- Oxford semiconductor (now Broadcom) OX820 SoC for NAS devices
- Qualcomm MDM9615 LTE baseband
- NXP imx6ull, the latest and smallest i.MX6 application processor variant
- Renesas RZ/G (r8a7743 and r8a7745) application processors
- Rockchip PX3, a variant of the rk3188 chip used in Android tablets
- Rockchip rk1108 single-core application processor
- ST stm32f746 Cortex-M7 based microcontroller
- TI DRA71x automotive processors
These are commercially available consumer platforms we now support:
- Motorola Droid 4 (xt894) mobile phone
- Rikomagic MK808 Android TV stick based on Rockchips rx3066
- Cloud Engines PogoPlug v3 based on OX820
- Various Broadcom based wireless devices:
- Netgear R8500 router
- Tenda AC9 router
- TP-LINK Archer C9 V1
- Luxul XAP-1510 Access point
- Turris Omnia open hardware router based on Armada 385
And a couple of new boards targeted at developers, makers
or industrial integration:
- Macnica Sodia development platform for Altera socfpga (Cyclone V)
- MicroZed board based on Xilinx Zynq FPGA platforms
- TOPEET itop/elite based on exynos4412
- WP8548 MangOH Open Hardware platform for IOT, based on
Qualcomm MDM9615
- NextThing CHIP Pro gadget
- NanoPi M1 development board
- AM571x-IDK industrial board based on TI AM5718
- i.MX6SX UDOO Neo
- Boundary Devices Nitrogen6_SOM2 (i.MX6)
- Engicam i.CoreM6
- Grinn i.MX6UL liteSOM/liteBoard
- Toradex Colibri iMX6 module
Other changes:
- added peripherals on renesas, davinci, stm32f429, uniphier, sti,
mediatek, integrator, at91, imx, vybrid, ls1021a, omap, qualcomm,
mvebu, allwinner, broadcom, exynos, zynq
- Continued fixes for W=1 dtc warnings
- The old STiH415/416 SoC support gets removed, these never made it into
products and have served their purpose in the kernel as a template
for teh newer chips from ST
- The exynos4415 dtsi file is removed as nothing uses it.
- Intel PXA25x can now be booted using devicetree
Conflicts:
arch/arm/boot/dts/r8a*.dtsi: a node was added
the clk tree, keep both sides and watch out for git
dropping the required '};' at the end of each side.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Arnd Bergmann:
"Lots of changes as usual, so I'm trying to be brief here. Most of the
new hardware support has the respective driver changes merged through
other trees or has had it available for a while, so this is where
things come together.
We get a DT descriptions for a couple of new SoCs, all of them
variants of other chips we already support, and usually coming with a
new evaluation board:
- Oxford semiconductor (now Broadcom) OX820 SoC for NAS devices
- Qualcomm MDM9615 LTE baseband
- NXP imx6ull, the latest and smallest i.MX6 application processor variant
- Renesas RZ/G (r8a7743 and r8a7745) application processors
- Rockchip PX3, a variant of the rk3188 chip used in Android tablets
- Rockchip rk1108 single-core application processor
- ST stm32f746 Cortex-M7 based microcontroller
- TI DRA71x automotive processors
These are commercially available consumer platforms we now support:
- Motorola Droid 4 (xt894) mobile phone
- Rikomagic MK808 Android TV stick based on Rockchips rx3066
- Cloud Engines PogoPlug v3 based on OX820
- Various Broadcom based wireless devices:
- Netgear R8500 router
- Tenda AC9 router
- TP-LINK Archer C9 V1
- Luxul XAP-1510 Access point
- Turris Omnia open hardware router based on Armada 385
And a couple of new boards targeted at developers, makers or
industrial integration:
- Macnica Sodia development platform for Altera socfpga (Cyclone V)
- MicroZed board based on Xilinx Zynq FPGA platforms
- TOPEET itop/elite based on exynos4412
- WP8548 MangOH Open Hardware platform for IOT, based on Qualcomm MDM9615
- NextThing CHIP Pro gadget
- NanoPi M1 development board
- AM571x-IDK industrial board based on TI AM5718
- i.MX6SX UDOO Neo
- Boundary Devices Nitrogen6_SOM2 (i.MX6)
- Engicam i.CoreM6
- Grinn i.MX6UL liteSOM/liteBoard
- Toradex Colibri iMX6 module
Other changes:
- added peripherals on renesas, davinci, stm32f429, uniphier, sti,
mediatek, integrator, at91, imx, vybrid, ls1021a, omap, qualcomm,
mvebu, allwinner, broadcom, exynos, zynq
- Continued fixes for W=1 dtc warnings
- The old STiH415/416 SoC support gets removed, these never made it
into products and have served their purpose in the kernel as a
template for teh newer chips from ST
- The exynos4415 dtsi file is removed as nothing uses it.
- Intel PXA25x can now be booted using devicetree"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (422 commits)
arm: dts: zynq: Add MicroZed board support
ARM: dts: da850: enable high speed for mmc
ARM: dts: da850: Add node for pullup/pulldown pinconf
ARM: dts: da850: enable memctrl and mstpri nodes per board
ARM: dts: da850-lcdk: Add ethernet0 alias to DT
ARM: dts: artpec: add pcie support
ARM: dts: add support for Turris Omnia
devicetree: Add vendor prefix for CZ.NIC
ARM: dts: berlin2q-marvell-dmp: fix typo in chosen node
ARM: dts: berlin2q-marvell-dmp: fix regulators' name
ARM: dts: Add xo to sdhc clock node on qcom platforms
ARM: dts: r8a7794: Add device node for PRR
ARM: dts: r8a7793: Add device node for PRR
ARM: dts: r8a7792: Add device node for PRR
ARM: dts: r8a7791: Add device node for PRR
ARM: dts: r8a7790: Add device node for PRR
ARM: dts: r8a7779: Add device node for PRR
ARM: dts: r8a73a4: Add device node for PRR
ARM: dts: sk-rzg1e: add Ether support
ARM: dts: sk-rzg1e: initial device tree
...
Changes to platform code for 64-bit ARM platforms. We are not adding
any new platforms that require code or Kconfig changes this time, so
it's basically just defconfig changes to enable support for more
drivers used on the existing platforms.
This is mainly interesting for the Raspberry Pi 3, which should
now work much better with the default build.
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC 64-bit updates from Arnd Bergmann:
"Changes to platform code for 64-bit ARM platforms. We are not adding
any new platforms that require code or Kconfig changes this time, so
it's basically just defconfig changes to enable support for more
drivers used on the existing platforms.
This is mainly interesting for the Raspberry Pi 3, which should now
work much better with the default build"
* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arm64: defconfig: drop GPIO_SYSFS on multiplatforms
arm64: defconfig: Do not lower CONFIG_LOG_BUF_SHIFT
arm64: defconfig: allow rk3399-based boards to boot from mmc and usb
arm64: defconfig: enable RK808 components
arm64: defconfig: enable I2C and DW MMC controller on rockchip platform
arm64: defconfig: Enable Tegra186 SoC
ARM64: configs: Activate Internal PHY for Meson GXL
arm64: qcom: enable GPIOLIB in Kconfig
arm64: configs: enable configs for msm899(2/4) basic support
ARM64: bcm2835: add thermal driver to default config
ARM64: configs: Add Platform MHU in defconfig
MAINTAINERS: Update Broadcom Vulcan maintainer email
arm64: defconfig: enable EEPROM_AT25 config option
arm64: Enable HIBERNATION in defconfig
arm64: defconfig: Enable DRM DU and V4L2 FCP + VSP modules
ARM64: defconfig: Enable MMC related configs
arm64: Add BCM2835 (Raspberry Pi 3) support to the defconfig
Defconfig additions, removals, etc. Most of these are small changes adding
the options for newly upstreamed drivers, or drivers needed for new board
support.
Bartlomiej Zolnierkiewicz has done a series of patches reducing the use
of CONFIG_IDE from 19 to 3 in favor of CONFIG_ATA.
Overall more patches than usual, but nothing big.
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC defconfig updates from Arnd Bergmann:
"Defconfig additions, removals, etc. Most of these are small changes
adding the options for newly upstreamed drivers, or drivers needed for
new board support.
Bartlomiej Zolnierkiewicz has done a series of patches reducing the
use of CONFIG_IDE from 19 to 3 in favor of CONFIG_ATA.
Overall more patches than usual, but nothing big"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
ARM: davinci_all_defconfig: Enable da8xx usb otg
ARM: defconfig: drop GPIO_SYSFS on multiplatforms
ARM: multi_v7_defconfig: enable STMicroelectronics HVA driver
ARM: configs: Add new config fragment to change RAM start point
ARM: davinci_all_defconfig: Enable OHCI as module
ARM: defconfig: turn on the DT cpufreq for Integrator
ARM: omap2plus_defconfig: Run make savedefconfig to save some space
ARM: davinci_all_defconfig: add missing options for systemd
ARM: davinci_all_defconfig: enable the mstpri and ddrctl drivers
ARM: bcm2835: add thermal driver to default config
ARM: omap2plus_defconfig: Enable LP873X support
ARM: omap2plus_defconfig: Enable REGULATOR_GPIO
ARM: omap2plus_defconfig: Enable TOUCHSCREEN_TSC2004
ARM: socfpga_defconfig: enable FS configs to support Angstrom filesystem
ARM: config: Enable GPIO Key driver in stm32_defconfig
ARM: tegra: Enable GMI driver in default configuration
ARM: tegra: Enable SGTL5000 audio
ARM: tegra: Update default configuration for v4.9-rc1
ARM: socfpga: updates for socfpga_defconfig
ARM: davinci_all_defconfig: enable LED default-on trigger
...
These are updates for platform specific code on 32-bit ARM machines,
essentially anything that can not (yet) be expressed using DT files.
Noteworthy changes include:
- Added support for the TI DRA71x family of SoCs in mach-omap2,
this is an new variant of the the DRA72x/DRA74x automotive
infotainment chips we already supported for a while.
- Added support for the ST STM32F746 SoC, the first Cortex-M7
based microcontroller we support, related to the smaller
STM32F4 family.
- Renesas adds support for r8a7743 and r8a7745 in mach-shmobile,
see http://elinux.org/RZ-G
- SMP is now supported on the OX820 platform
- A lot of code in mach-omap2 gets removed as a follow-up to
removing support for board files in the previous release
- Davinci has some new work to improve USB support
- For i.MX, the performance monitor now supports profiling the
memory controller using 'perf'
Conflicts:
arch/arm/mach-shmobile/setup-rcar-gen2.c: rcar_gen2_clocks_init()
is gone, calling of_clk_init(NULL) is sufficient now.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"These are updates for platform specific code on 32-bit ARM machines,
essentially anything that can not (yet) be expressed using DT files.
Noteworthy changes include:
- Added support for the TI DRA71x family of SoCs in mach-omap2, this
is an new variant of the the DRA72x/DRA74x automotive infotainment
chips we already supported for a while.
- Added support for the ST STM32F746 SoC, the first Cortex-M7 based
microcontroller we support, related to the smaller STM32F4 family.
- Renesas adds support for r8a7743 and r8a7745 in mach-shmobile, see
http://elinux.org/RZ-G
- SMP is now supported on the OX820 platform
- A lot of code in mach-omap2 gets removed as a follow-up to removing
support for board files in the previous release
- Davinci has some new work to improve USB support
- For i.MX, the performance monitor now supports profiling the memory
controller using 'perf'"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (95 commits)
ARM: davinci: da830-evm: use gpio descriptor for mmc pins
ARM: davinci: da850-evm: use gpio descriptor for mmc pins
ARM: davinci: hawk: use gpio descriptor for mmc pins
ARM: ARTPEC-6: add select MFD_SYSCON to MACH_ARTPEC6
ARM: davinci: da8xx: Fix ohci device name
ARM: oxnas: Add OX820 config and makefile entry
ARM: oxnas: Add OX820 SMP support
ARM: davinci: PM: fix build when da850 not compiled in
ARM: orion5x: remove legacy support of ls-chl
ARM: integrator: drop EBI access use syscon
ARM: BCM5301X: Add back handler ignoring external imprecise aborts
ARM: davinci: PM: support da8xx DT platforms
ARM: davinci: PM: cleanup: remove references to pdata
ARM: davinci: PM: rework init, remove platform device
ARM: Kconfig: Introduce MACH_STM32F746 flag
ARM: mach-stm32: Add a new SOC - STM32F746
ARM: shmobile: document SK-RZG1E board
ARM: shmobile: r8a7745: basic SoC support
ARM: imx: mach-imx6ul: add imx6ull support
ARM: zynq: Reserve correct amount of non-DMA RAM
...
As usual, we queue up a few fixes that don't seem urgent enough to go in
through -rc, or that just came a little too late given their size.
The zx fixes make the platform finally boot on real hardware, the
davinci and imx31 get the DT support working better for some of
the machines that are still normally used with classic board files.
One tegra fix is important for new bootloader versions, but the
bug has been around for a while without anyone noticing.
The other changes are mostly cosmetic.
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-urgent fixes from Arnd Bergmann:
"As usual, we queue up a few fixes that don't seem urgent enough to go
in through -rc, or that just came a little too late given their size.
The zx fixes make the platform finally boot on real hardware, the
davinci and imx31 get the DT support working better for some of the
machines that are still normally used with classic board files. One
tegra fix is important for new bootloader versions, but the bug has
been around for a while without anyone noticing.
The other changes are mostly cosmetic"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
arm64: tegra: Add missing Smaug revision
arm64: tegra: Add VDD_GPU regulator to Jetson TX1
arm64: dts: zte: clean up gic-v3 redistributor properties
arm64: dts: zx: Fix gic GICR property
bus: vexpress-config: fix device reference leak
soc: ti: qmss: fix the case when !SMP
ARM: lpc32xx: drop duplicate header device.h
ARM: ixp4xx: drop duplicate header gpio.h
ARM: socfpga: fix spelling mistake in error message
ARM: dts: imx6q-cm-fx6: fix fec pinctrl
ARM: dts: imx7d-pinfunc: fix UART pinmux defines
ARM: dts: imx6qp: correct LDB clock inputs
ARM: OMAP2+: pm-debug: Use seq_putc() in two functions
ARM: OMAP2+: Remove the omapdss_early_init_of() function
mfd: tps65217: Fix mismatched interrupt number
ARM: zx: Fix error handling
ARM: spear: Fix error handling
ARM: davinci: da850: Fix pwm name matching
ARM: clk: imx31: properly init clocks for machines with DT
clk: imx31: fix rewritten input argument of mx31_clocks_init()
...
This update consists of:
-- New tests to exercise the Sync Kernel Infrastructure. These tests
are part of a battery of Android libsync tests and are re-written
to test the new sync user-space interfaces from Emilio López, and
Gustavo Padovan.
-- Test to run hw-independent mock tests for i915.ko from Chris Wilson
-- A new gpio test case from Bamvor Jian Zhang
-- Missing gitignore additions
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Merge tag 'linux-kselftest-4.10-rc1-update' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
"This update consists of:
- new tests to exercise the Sync Kernel Infrastructure. These tests
are part of a battery of Android libsync tests and are re-written
to test the new sync user-space interfaces from Emilio López, and
Gustavo Padovan.
- test to run hw-independent mock tests for i915.ko from Chris Wilson
- a new gpio test case from Bamvor Jian Zhang
- missing gitignore additions"
* tag 'linux-kselftest-4.10-rc1-update' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftest/gpio: add gpio test case
selftest: sync: improve assert() failure message
kselftests: Exercise hw-independent mock tests for i915.ko
selftests: add missing gitignore files/dirs
selftests: add missing set-tz to timers .gitignore
selftest: sync: stress test for merges
selftest: sync: stress consumer/producer test
selftest: sync: stress test for parallelism
selftest: sync: wait tests for sw_sync framework
selftest: sync: merge tests for sw_sync framework
selftest: sync: fence tests for sw_sync framework
selftest: sync: basic tests for sw_sync framework
- Moving ARC timer driver into drivers/clocksource
- EZChip timer driver updates [Noam]
- ARC AXS103 and HAPS platform updates [Alexey]
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Merge tag 'arc-4.10-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
"These are mostly timer/clocksource driver updates which were
Reviewed/Acked by Daniel but had to be merged via ARC tree due to
dependencies.
I will follow up with another pull request with actual ARC changes
early next week !
Summary:
- Moving ARC timer driver into drivers/clocksource
- EZChip timer driver updates [Noam]
- ARC AXS103 and HAPS platform updates [Alexey]"
* tag 'arc-4.10-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: axs10x: really enable ARC PGU
ARC: rename Zebu platform support to HAPS
clocksource: nps: avoid maybe-uninitialized warning
clocksource: Add clockevent support to NPS400 driver
clocksource: update "fn" at CLOCKSOURCE_OF_DECLARE() of nps400 timer
soc: Support for NPS HW scheduling
clocksource: import ARC timer driver
ARC: breakout timer include code into separate header ...
ARC: move mcip.h into include/soc and adjust the includes
ARC: breakout aux handling into a separate header
ARC: time: move time_init() out of the driver
ARC: timer: gfrc, rtc: build under same option (64-bit timers)
ARC: timer: gfrc, rtc: Read BCR to detect whether hardware exists ...
ARC: timer: gfrc, rtc: deuglify big endian code
That's the default now, no need for makefiles to set it.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
