Age | Commit message (Collapse) | Author |
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Move the files, adjust includes, remove entry from Makefile & .gitignore
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Move the files, adjust includes, remove entry from Makefile & .gitignore
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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test__join_cgroup() combines the following operations that usually
go hand in hand and returns cgroup fd:
* setup cgroup environment (make sure cgroupfs is mounted)
* mkdir cgroup
* join cgroup
It also marks a test as a "cgroup cleanup needed" and removes cgroup
state after the test is done.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The intention is that we first try to pin the current vma into the
mappable aperture only if it is already in use or it fits in the free
space and will not cause contention. The first attempt was meant to be
using PIN_NOEVICT to reuse the current vma if possible, following up
with different eviction strategies.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111485
Fixes: 6846895fde05 ("drm/i915: Replace PIN_NONFAULT with calls to PIN_NOEVICT")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190826130750.17272-1-chris@chris-wilson.co.uk
(cherry picked from commit ebfdf5cd806b3bbf1ff79e69bce6a28df8bbe39d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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vgpu ppgtt notification was split into 2 steps, the first step is to
update PVINFO's pdp register and then write PVINFO's g2v_notify register
with action code to tirgger ppgtt notification to GVT side.
currently these steps were not atomic operations due to no any protection,
so it is easy to enter race condition state during the MTBF, stress and
IGT test to cause GPU hang.
the solution is to add a lock to make vgpu ppgtt notication as atomic
operation.
Cc: stable@vger.kernel.org
Signed-off-by: Xiaolin Zhang <xiaolin.zhang@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/1566543451-13955-1-git-send-email-xiaolin.zhang@intel.com
(cherry picked from commit 52988009843160c5b366b4082ed6df48041c655c)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Our fence management is lazy, very lazy. If the user marks an object as
untiled, we do not immediately flush the fence but merely mark it as
dirty. On the next use we have to remember to check and remove the fence,
by which time we hope it is idle and we do not have to wait.
v2: Throw away the old fence on the next ggtt_pin.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111468
Fixes: 1f7fd484fff1 ("drm/i915: Replace i915_vma_put_fence()")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190823153944.20630-1-chris@chris-wilson.co.uk
(cherry picked from commit 636e83f2f208555c3d19d8b454ebdd8d8f4652cc)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Sadly lockdep records when the irqs are re-enabled and then marks up the
fake lock as being irq-unsafe. Our hand is forced and so we must mark up
the entire fake lock critical section as irq-off.
Hopefully this is the last tweak required!
v2: Not quite, we need to mark the timeline spinlock as irqsafe. That
was a genuine bug being hidden by the earlier lockdep splat.
Fixes: d67739268cf0 ("drm/i915/gt: Mark up the nested engine-pm timeline lock as irqsafe")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190823132700.25286-2-chris@chris-wilson.co.uk
(cherry picked from commit 6dcb85a0ad990455ae7c596e3fc966ad9c1ba9c5)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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into drm-intel-next-fixes
gvt-next-fixes-2019-09-06
- Fix guest context head pointer update for hang (Xiaolin)
- Fix guest context ring state for reset (Weinan)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190906054255.GC3458@zhen-hp.sh.intel.com
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${@:2} is BASH-specific extension, which makes link-vmlinux.sh rely on
BASH. Use shift and ${@} instead to fix this issue.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 341dfcf8d78e ("btf: expose BTF info through sysfs")
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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When the pinmux configuration was added, it was accidentally placed into
the omap3_pmx_wkup node when it should have been placed into the
omap3_pmx_core. This error was accidentally propagated to stable by
me when I blindly requested the pull after seeing I2C issues without
actually reviewing the content of the pinout. Since the bootloader
previously muxed these correctly in the past, was a hidden error.
This patch moves the i2c2_pins and i2c3_pins to the correct node
which should eliminate i2c bus errors and timeouts due to the fact
the bootloader uses the save device tree that no longer properly
assigns these pins.
Fixes: 5fe3c0fa0d54 ("ARM: dts: Add pinmuxing for i2c2 and i2c3
for LogicPD SOM-LV") #4.9+
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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After commit 75b28affdd6a we can get by with just a single mmap to
map both the sq and cq ring. However, userspace doesn't know that.
Add a features variable to io_uring_params, and notify userspace
that the kernel has this ability. This can then be used in liburing
(or in applications directly) to avoid the second mmap.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The variable n is being assigned a value that is never read inside
an if statement block, the assignment is redundant and can be removed.
With this removed, n is only being used for a constant loop bounds
check, so replace n with that value instead and remove n completely.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190905152227.4610-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixes a typo in the documentation.
Signed-off-by: Rohit Sarkar <rohitsarkar5398@gmail.com>
Link: https://lore.kernel.org/r/20190905132219.GA1004@SARKAR
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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time_t suffers from overflow problems and should not be used.
In exfat, it is currently used in two open-coded time64_to_tm()
implementations. Changes those to use the existing function instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20190906150917.1025250-2-arnd@arndb.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When CONFIG_VFAT_FS is disabled, the reference to CONFIG_FAT_DEFAULT_IOCHARSET
causes a link failure:
drivers/staging/exfat/exfat_super.c:46:41: error: use of undeclared identifier 'CONFIG_FAT_DEFAULT_IOCHARSET'
static char exfat_default_iocharset[] = CONFIG_FAT_DEFAULT_IOCHARSET;
I could not figure out why the correct code is commented
out, but using that fixes the problem.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20190906150917.1025250-1-arnd@arndb.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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address
The calculation of memblock_limit in adjust_lowmem_bounds() assumes that
bank 0 starts from a PMD-aligned address. However, the beginning of the
first bank may be NOMAP memory and the start of usable memory
will be not aligned to PMD boundary. In such case the memblock_limit will
be set to the end of the NOMAP region, which will prevent any memblock
allocations.
Mark the region between the end of the NOMAP area and the next PMD-aligned
address as NOMAP as well, so that the usable memory will start at
PMD-aligned address.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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A previous commit removed the panel-dpi driver, which made the
video on the AM3517-evm stop working because it relied on the dpi
driver for setting video timings. Now that the simple-panel driver
is available in omap2plus, this patch migrates the am3517-evm
to use a similar panel and remove the manual timing requirements.
Fixes: 8bf4b1621178 ("drm/omap: Remove panel-dpi driver")
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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A previous commit removed the panel-dpi driver, which made the
Torpedo video stop working because it relied on the dpi driver
for setting video timings. Now that the simple-panel driver is
available in omap2plus, this patch migrates the Torpedo dev kits
to use a similar panel and remove the manual timing requirements.
Fixes: 8bf4b1621178 ("drm/omap: Remove panel-dpi driver")
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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When the panel-dpi driver was removed, the simple-panels driver
was never enabled, so anyone who used the panel-dpi driver lost
video, and those who used it inconjunction with simple-panels
would have to manually enable CONFIG_DRM_PANEL_SIMPLE.
This patch makes CONFIG_DRM_PANEL_SIMPLE a module in the same
way the deprecated panel-dpi was.
Fixes: 8bf4b1621178 ("drm/omap: Remove panel-dpi driver")
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fix from Ulf Hansson:
"Revert in order to fix card init for some eMMCs that need retries for
CMD6"
* tag 'mmc-v5.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
Revert "mmc: core: do not retry CMD6 in __mmc_switch()"
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Pull drm fixes from Dave Airlie:
"Live from my friend's couch in Barcelona, latest round of drm fixes.
The command line parser regression fixes look a bit larger because
they come with selftests included for the bugs they fix. Otherwise a
single nouveau, single ingenic and single vmwgfx fix:
nouveau:
- add missing MODULE_FIRMWARE definitions
igenic:
- hardcode panel type DPI
vmwgfx:
- double free fix
core:
- command line mode parser fixes"
* tag 'drm-fixes-2019-09-06' of git://anongit.freedesktop.org/drm/drm:
drm/vmwgfx: Fix double free in vmw_recv_msg()
drm/nouveau/sec2/gp102: add missing MODULE_FIRMWAREs
drm/selftests: modes: Add more unit tests for the cmdline parser
drm/modes: Introduce a whitelist for the named modes
drm/modes: Fix the command line parser to take force options into account
drm/modes: Add a switch to differentiate free standing options
drm/ingenic: Hardcode panel type to DPI
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Pull virtio fixes from Michael Tsirkin:
"virtio, vhost, and balloon bugfixes.
A couple of last minute bugfixes. And a revert of a failed attempt at
metadata access optimization - we'll try again in the next cycle"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
mm/balloon_compaction: suppress allocation warnings
Revert "vhost: access vq metadata through kernel virtual address"
vhost: Remove unnecessary variable
virtio-net: lower min ring num_free for efficiency
vhost/test: fix build for vhost test
vhost/test: fix build for vhost test
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The commit 3764137906a5 ("drm/modes: Introduce a whitelist for the named
modes") introduced a whitelist in the named modes lookup code in order to
be a bit more robust.
However, even though the char pointers were made const, the array itself
was not. Let's fix that.
Fixes: 3764137906a5 ("drm/modes: Introduce a whitelist for the named modes")
Suggested-by: Jani Nikula <jani.nikula@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190906074614.30608-1-mripard@kernel.org
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The runtime_pm functions are unused when CONFIG_PM is disabled:
drivers/iommu/omap-iommu.c:1022:12: error: unused function 'omap_iommu_runtime_suspend' [-Werror,-Wunused-function]
static int omap_iommu_runtime_suspend(struct device *dev)
drivers/iommu/omap-iommu.c:1064:12: error: unused function 'omap_iommu_runtime_resume' [-Werror,-Wunused-function]
static int omap_iommu_runtime_resume(struct device *dev)
Mark them as __maybe_unused to let gcc silently drop them
instead of warning.
Fixes: db8918f61d51 ("iommu/omap: streamline enable/disable through runtime pm callbacks")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"One fix for a boot hang on some Freescale machines when PREEMPT is
enabled.
Two CVE fixes for bugs in our handling of FP registers and
transactional memory, both of which can result in corrupted FP state,
or FP state leaking between processes.
Thanks to: Chris Packham, Christophe Leroy, Gustavo Romero, Michael
Neuling"
* tag 'powerpc-5.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/tm: Fix restoring FP/VMX facility incorrectly on interrupts
powerpc/tm: Fix FP/VMX unavailable exceptions inside a transaction
powerpc/64e: Drop stale call to smp_processor_id() which hangs SMP startup
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The Linux does not support PCI on the SOC_MT7621, if it is selected the
Linux build runs into a compile error. Remove HAVE_PCI from the
SOC_MT7621 SoC.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: ralf@linux-mips.org
Cc: jhogan@kernel.org
Cc: john@phrozen.org
Cc: linux-mips@vger.kernel.org
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The reference driver no longer exists since commit 50f1242c6742 ("mtd:
fsl-quadspi: Remove the driver as it was replaced by spi-fsl-qspi.c").
Update reference to spi-fsl-qspi.c driver.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Daniel Borkmann says:
====================
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) Add the ability to use unaligned chunks in the AF_XDP umem. By
relaxing where the chunks can be placed, it allows to use an
arbitrary buffer size and place whenever there is a free
address in the umem. Helps more seamless DPDK AF_XDP driver
integration. Support for i40e, ixgbe and mlx5e, from Kevin and
Maxim.
2) Addition of a wakeup flag for AF_XDP tx and fill rings so the
application can wake up the kernel for rx/tx processing which
avoids busy-spinning of the latter, useful when app and driver
is located on the same core. Support for i40e, ixgbe and mlx5e,
from Magnus and Maxim.
3) bpftool fixes for printf()-like functions so compiler can actually
enforce checks, bpftool build system improvements for custom output
directories, and addition of 'bpftool map freeze' command, from Quentin.
4) Support attaching/detaching XDP programs from 'bpftool net' command,
from Daniel.
5) Automatic xskmap cleanup when AF_XDP socket is released, and several
barrier/{read,write}_once fixes in AF_XDP code, from Björn.
6) Relicense of bpf_helpers.h/bpf_endian.h for future libbpf
inclusion as well as libbpf versioning improvements, from Andrii.
7) Several new BPF kselftests for verifier precision tracking, from Alexei.
8) Several BPF kselftest fixes wrt endianess to run on s390x, from Ilya.
9) And more BPF kselftest improvements all over the place, from Stanislav.
10) Add simple BPF map op cache for nfp driver to batch dumps, from Jakub.
11) AF_XDP socket umem mapping improvements for 32bit archs, from Ivan.
12) Add BPF-to-BPF call and BTF line info support for s390x JIT, from Yauheni.
13) Small optimization in arm64 JIT to spare 1 insns for BPF_MOD, from Jerin.
14) Fix an error check in bpf_tcp_gen_syncookie() helper, from Petar.
15) Various minor fixes and cleanups, from Nathan, Masahiro, Masanari,
Peter, Wei, Yue.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The variable rx_process_result is being initialized with a value that
is never read and is being re-assigned immediately afterwards. The
assignment is redundant, so replace it with the return from function
lan743x_rx_process_packet.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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KBUILD_ENABLE_EXTRA_GCC_CHECKS started as a switch to add extra warning
options for GCC, but now it is a historical misnomer since we use it
also for Clang, DTC, and even kernel-doc.
Rename it to more sensible, shorter KBUILD_EXTRA_WARN.
For the backward compatibility, KBUILD_ENABLE_EXTRA_GCC_CHECKS is still
supported (but not advertised in the documentation).
I also fixed up 'make help', and updated the documentation.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Sedat Dilek <sedat.dilek@gmail.com>
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Instead of the warning-[123] magic, let's accumulate compiler options
to KBUILD_CFLAGS directly as the top Makefile does. I think this makes
it easier to understand what is going on in this file.
This commit slightly changes the behavior, I think all of which are OK.
[1] Currently, cc-option calls are needlessly evaluated. For example,
warning-3 += $(call cc-option, -Wpacked-bitfield-compat)
needs evaluating only when W=3, but it is actually evaluated for
W=1, W=2 as well. With this commit, only relevant cc-option calls
will be evaluated. This is a slight optimization.
[2] Currently, unsupported level like W=4 is checked by:
$(error W=$(KBUILD_ENABLE_EXTRA_GCC_CHECKS) is unknown)
This will no longer be checked, but I do not think it is a big
deal.
[3] Currently, 4 Clang warnings (Winitializer-overrides, Wformat,
Wsign-compare, Wformat-zero-length) are shown by any of W=1, W=2,
and W=3. With this commit, they will be warned only by W=1. I
think this is a more correct behavior since each warning belongs
to only one group.
For understanding this commit correctly:
We have 3 warning groups, W=1, W=2, and W=3. You may think W=3 has a
higher level than W=1, but they are actually independent. If you like,
you can combine them like W=13. To enable all the warnings, you can
pass W=123. It is shown by 'make help', but not noticed much. Since we
support W= combination, there should not exist intersection among the
three groups. If we enable Winitializer-overrides for W=1, we do not
need to for W=2 or W=3. This is the reason why I think the change [3]
makes sense.
The documentation says -Winitializer-overrides is enabled by default.
(https://clang.llvm.org/docs/DiagnosticsReference.html#winitializer-overrides)
We negate it by passing -Wno-initializer-overrides for the normal
build, but we do not do that for W=1. This means, W=1 effectively
enables -Winitializer-overrides by the clang's default. The same for
the other three.
Add comments in case people are confused with the code.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
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Simon Horman says:
====================
ravb: remove use of undocumented registers
this short series cleans up the RAVB driver a little.
The first patch corrects the spelling of the FBP field of SFO register.
This register field is unused and should have no run-time effect.
The remaining patches remove the use of undocumented registers
after some consultation with the internal Renesas BSP team.
Changes in v2:
* Corrected mangled state of first patch
* Patches 2/4 and 3/4 split out of a large patch
* Accumulated acks
* Tweaked changelog
* Claimed authorship of all patches
v1 of this series was tested on the following platforms.
No behaviour change is expected in v2.
* E3 Ebisu
* H3 Salvator-XS (ES2.0)
* M3-W Salvator-XS
* M3-N Salvator-XS
* RZ/G1C iW-RainboW-G23S
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only use the TROCR register on R-Car Gen3 as it is not present on other
SoCs.
Offsets used for the undocumented registers are considered reserved and
should not be written to. After some internal investigation with Renesas it
remains unclear why this driver accesses these fields on R-Car Gen2 but
regardless of what the historical reasons are the current code is
considered incorrect.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the use of the undocumented BOC bit of the CCC register.
Current documentation for EtherAVB (ravb) describes the offset of what the
driver uses as the BOC bit as reserved and that only a value of 0 should be
written. After some internal investigation with Renesas it remains unclear
why this driver accesses these fields but regardless of what the historical
reasons are the current code is considered incorrect.
Based on work by Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the use of the undocumented counter registers
CDCR, LCCR, CERCR, CEECR.
Offsets used for undocumented registers are considered reserved and
should not be written to. After some internal investigation with Renesas
it remains unclear why this driver accesses these fields but regardless of
what the historical reasons are the current code is considered incorrect.
Based on work by Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The field name is FBP rather than FPB.
This field is unused and could equally be removed from the driver entirely.
But there seems no harm in leaving as documentation of the presence of the
field.
Based on work by Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix grammar dtb placed in no attributes region.
This makes Chinese translation smooth to read.
Signed-off-by: lixinafa <lixinafa.official@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This advice is obsolete and slightly harmful for filesystems from this
millenium: any modern filesystem can handle unexpected crashes without
requiring fsck -- and on the other hand, trying to write to the disk when
the kernel is in a bad state risks introducing corruption.
For ext2, any unsafe shutdown meant widespread breakage, but it's no longer
a reasonable filesystem for any non-special use.
Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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My @arm.com email address will stop working in a few weeks, so add an
entry to .mailmap so others have a way to reach me if they want to.
While at it, move some entries around to keep the file in alphabetical
order.
Signed-off-by: Quentin Perret <quentin.perret@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Correct spelling of "identifier".
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
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Commit 5aa068ea4082 ("printk: remove games with previous record flags")
abolished the practice of setting the log flag to 'c' for the first
continuation line and '+' for subsequent lines. Now all continuation
lines are flagged with 'c' and '+' is never used.
Update the 'dev-kmsg' documentation to remove the reference to the
obsolete '+' flag. In addition, state explicitly that only 8 bits of the
<N> syslog prefix are used for the facility number when writing to
/dev/kmsg.
Link: http://lkml.kernel.org/r/0102016cf1b26630-8e9b337b-da49-43c6-b028-4250c2fac3ef-000000@eu-west-1.amazonses.com
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: James Byrne <james.byrne@origamienergy.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
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Use %*ph format to print small buffer as hex string.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Use %*ph format to print small buffer as hex string.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Use %*ph format to print small buffer as hex string.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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When using single_open() for opening, single_release() should be
used instead of seq_release(), otherwise there is a memory leak.
This is detected by Coccinelle semantic patch.
Fixes: 610247f46feb ("rtlwifi: Improve debugging by using debugfs")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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When using single_open(), single_release() should be used instead
of seq_release(), otherwise there is a memory leak.
This is detected by Coccinelle semantic patch.
Fixes: e3037485c68e ("rtw88: new Realtek 802.11ac driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Obviously, variable 'copied' is initialized to zero. But it is not used.
hence just remove it.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This is a trivial debugfs entry for triggering reset just like in case
of firmware crash. It works by writing 1 to it:
echo 1 > reset
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In case of compiling driver without DEBUG expose a stub function to make
writing debug code much simpler (no extra conditions). This will allow
e.g. using debugfs_create_file() without any magic if or #ifdef.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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hidp_send_message was changed to return non-zero values on success,
which some other bits did not expect. This caused spurious errors to be
propagated through the stack, breaking some drivers, such as hid-sony
for the Dualshock 4 in Bluetooth mode.
As pointed out by Dan Carpenter, hid-microsoft directly relied on that
assumption as well.
Fixes: 48d9cc9d85dd ("Bluetooth: hidp: Let hidp_send_message return number of queued bytes")
Signed-off-by: Dan Elkouby <streetwalkermc@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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