The Class Code for subtractive decode PCI-to-PCI bridge is 060401h; add an
entry to make portdrv support this type of bridge. This allows use of PCIe
services on subtractive decode ports.
Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
[bhelgaas: add braces surrounding entry]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
While trying to reproduce a reported kernel panic on arm64, I discovered
that AUTH_GSS basically doesn't work at all with older enctypes on arm64
systems with CONFIG_VMAP_STACK enabled. It turns out there still a few
places using stack memory with scatterlists, causing krb5_encrypt() and
krb5_decrypt() to produce incorrect results (or a BUG if CONFIG_DEBUG_SG
is enabled).
Tested with cthon on v4.0/v4.1/v4.2 with krb5/krb5i/krb5p using
des3-cbc-sha1 and arcfour-hmac-md5.
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
* Fixups/Cleanup for Qualcomm LLCC
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Merge tag 'qcom-drivers-for-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/drivers
Qualcomm ARM Based Driver Updates for v5.1 - Part 2
* Fixups/Cleanup for Qualcomm LLCC
* tag 'qcom-drivers-for-5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
qcom: soc: llcc-slice: Consolidate some code
qcom: soc: llcc-slice: Clear the global drv_data pointer on error
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The pci_device_id table was technically correct, but unusually formatted,
which made adding entries error-prone. Change the format so it's obvious
how to add entries.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* Add MSM8998 RPMCC, I2C, and USB related nodes
* Add MSM8996 rpmpd node
* Fix typo in MSM8996 pin definitions
* Disable MSM8996 VFE smmu to fix security violation
* Add I2C, SPI, rpmcc, uart, and WCN3990 wlan nodes on QCS404
* Enable SDCC1 HS400 support on QCS404
* Add a multitude of nodes on SDM845:
SD, UFS, USB, LPASS, SCM, QSPI, PDC, DPU, videocc, GPU, RPMh
bus interconnect, WCN3990 WLAN
* Add gpio ranges to SDM845 TLMM
* Fix regulator load on sdcard on MSM8998-mtp board
* Add thermal trip points to cpufreq
* Add SDM845 IOMMU info for SDHC, USB, and WLAN
* Fix MSM8916 clock cell argument
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Merge tag 'qcom-arm64-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/dt
Qualcomm ARM64 Updates for v5.1
* Add thermal trip points to cpufreq
* Add SDM845 IOMMU info for SDHC, USB, and WLAN
* Fix MSM8916 clock cell argument
* tag 'qcom-arm64-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
arm64: dts: sdm845: Fixup dependency on RPMPD includes
arm64: dts: sdm845: Add clocks and iommus to WCN3990 WLAN node
arm64: dts: qcom: sdm845: Define iommus for USB controllers
arm64: dts: qcom: sdm845: Define IOMMU for sdhc 2
arm64: dts: sdm845: wireup the thermal trip points to cpufreq
arm64: dts: msm8916: remove bogus argument to the cpu clock
[arnd: I've pulled the earlier branch again after an update, this
adds the stuff listed above, and fixes a build error from the missing
dependency, as I requested]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A fix from Russell that took a while to get applied into fixes as
I thought Russell is merging this one.
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Merge tag 'omap-for-v5.0/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fix omap4 and later lost cpu1 interrupts for periodic timer
A fix from Russell that took a while to get applied into fixes as
I thought Russell is merging this one.
* tag 'omap-for-v5.0/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: fix lack of timer interrupts on CPU1 after hotplug
ARM: lpc32xx: platform updates for v5.1
Here are the changes for ARM NXP LPC32xx platform files:
* removed a superfluous record to kernel log buffer under OOM condition,
* use kmemdup() helper instead of kmalloc()/memcpy() pair,
* removed platform data of ARM PL180 SD/MMC and ARM PL111 LCD controllers,
since now both are handled in devicetree files.
* tag 'lpc32xx-soc-for-5.1' of https://github.com/vzapolskiy/linux-lpc32xx:
ARM: lpc32xx: remove platform data of ARM PL111 LCD controller
ARM: lpc32xx: remove platform data of ARM PL180 SD/MMC controller
ARM: lpc32xx: Use kmemdup to replace duplicating its implementation
ARM: lpc32xx: Delete an error message for a failed memory allocation in lpc32xx_pm_enter()
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
ARM: tegra: Core changes for v5.1-rc1
This contains three fixes for resume from LP1 on Tegra30.
* tag 'tegra-for-5.1-arm-core' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: Restore memory arbitration on resume from LP1 on Tegra30+
ARM: tegra: Fix DRAM refresh-interval clobbering on resume from LP1 on Tegra30
ARM: tegra: Fix missed EMC registers latching on resume from LP1 on Tegra30+
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
mvebu arm64 for 5.1 (part 1)
- Add maintainer entry for for the new uDPU board (Armada 3720 based)
* tag 'mvebu-arm64-5.1-1' of git://git.infradead.org/linux-mvebu:
MAINTAINERS: Add entry for uDPU board
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Samsung mach/soc changes for v5.1
Two fixes: one for handling timeout while booting secondary CPU of
Exynos and second for S3C24xx DVS notifier.
* tag 'samsung-soc-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: exynos: Fix timeout when booting secondary CPUs
ARM: s3c24xx: Fix boolean expressions in osiris_dvs_notify
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
DaVinci SoC updates for v5.1 (part 2)
This pull request contains changes needed to help get rid of
hard-coded GPIO base value passed from DaVinci platform data.
The OHCI related changes also help by moving over-current support
from board-files to OHCI driver making future DT-coversion easy.
The OHCI parts are acked by its maintainer.
* tag 'davinci-for-v5.1/soc-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
usb: ohci-da8xx: remove unused callbacks from platform data
ARM: davinci: da830-evm: remove legacy usb helpers
ARM: davinci: omapl138-hawk: remove legacy usb helpers
usb: ohci-da8xx: add vbus and overcurrent gpios
ARM: davinci: da830-evm: use gpio lookup entries for usb gpios
ARM: davinci: omapl138-hawk: use gpio lookup entries for usb gpios
usb: ohci-da8xx: add a helper pointer to &pdev->dev
usb: ohci-da8xx: add a new line after local variables
ARM: davinci: da850-evm: use GPIO hogs instead of the legacy API
ARM: davinci: mityomapl138: use device properties for at24 eeprom
ARM: davinci: mityomapl138: use nvmem notifiers
ARM: davinci: remove dead code related to MAC address reading
ARM: davinci: sffsdr: use device properties for at24 eeprom
ARM: davinci: sffsdr: fix the at24 eeprom device name
ARM: davinci: dm646x-evm: use device properties for at24 eeprom
ARM: davinci: dm644x-evm: use device properties for at24 eeprom
ARM: davinci: da830-evm: use device properties for at24 eeprom
ARM: davinci: dm365-evm: use device properties for at24 eeprom
ARM: davinci: mityomapl138: don't read the MAC address from machine code
ARM: davinci: da850-evm: remove dead MTD code
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
i.MX SoC changes for 5.1:
- Support cpuidle for i.MX7ULP, states WFI, WAIT and STOP get added.
- Support SoC revision detecting for i.MX7ULP by reading JTAG_ID
register from SIM module.
- Select PM and GPCv2 irqchip driver options for i.MX8 support, as they
are essential for building an i.MX8 based system.
- Skip build of ssi-fiq code if SND_SOC_IMX_PCM_FIQ is not enabled.
* tag 'imx-soc-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: imx8mq: select PM support
arm64: imx8mq: select GPCv2 irqchip driver
ARM: imx: add i.MX7ULP SoC revision support
ARM: imx: add i.MX7ULP cpuidle support
ARM: imx: don't build ssi-fiq if not required
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
i.MX MAINTAINERS update for 5.1:
- Add all files matching "imx" and "mxs" to the IMX entry, so that we
can get copied on all IMX related changes without explicitly listing
so many files and folders.
- Update Fabio's email address.
* tag 'imx-maintainers-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
MAINTAINERS: imx: Change Fabio's email address
MAINTAINERS: add all files matching "imx" and "mxs" to the IMX entry
This is the pxa changes for 5.1 cycle:
- the last step of raumfeld board conversion to devicetree is here,
ie. the platform_data file removal
The previous cycle dealt with devicetree inclusion already.
- an empty file removal
* tag 'pxa-for-5.1' of https://github.com/rjarzmik/linux:
ARM: pxa: remove unused empty mach/pxa25x-udc.h file
ARM: pxa: remove raumfeld board files and defconfig
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Contains a few DT updates on top of part 1 of the pull:
- MSMC RAM support (on-chip SRAM)
- Main system control module support
- USB support
- ADC support
There is an extra dt-binding update included, which has been acked
by Rob.
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Merge tag 'am654-for-v5.1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux into HEAD
AM654x SoC updates for v5.1 (part 2)
Contains a few DT updates on top of part 1 of the pull:
- MSMC RAM support (on-chip SRAM)
- Main system control module support
- USB support
- ADC support
There is an extra dt-binding update included, which has been acked
by Rob.
* tag 'am654-for-v5.1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux:
arm64: dts: ti: k3-am65-mcu: Add ADC nodes
dt-bindings: input: ti-tsc-adc: Add new compatible for AM654 SoCs
arm64: dts: ti: k3-am654-base-board: enable USB1
arm64: dts: ti: k3-am6: add USB support
arm64: dts: ti: am654: Add Main System Control Module node
arm64: dts: ti: k3-am65: Add MSMC RAM node
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This patch fixes a dependency issue with the RPMPD dt bindings. This
temporarily removes the include file and adds hardcoded values for the
OPPs until the other changes full land. This will be addressed in 5.2.
Fixes: 5b6f186f0a ("arm64: dts: sdm845: Add rpmh powercontroller node")
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
cgroup_rstat_cpu_pop_updated() is used to traverse the updated cgroups
on flush. While it was only visiting updated ones in the subtree, it
was visiting @root unconditionally. We can easily check whether @root
is updated or not by looking at its ->updated_next just as with the
cgroups in the subtree.
* Remove the unnecessary cgroup_parent() test. The system root cgroup
is never updated and thus its ->updated_next is always NULL. No
need to test whether cgroup_parent() exists in addition to
->updated_next.
* Terminate traverse if ->updated_next is NULL. This can only happen
for subtree @root and there's no reason to visit it if it's not
marked updated.
This reduces cpu consumption when reading a lot of rstat backed files.
In a micro benchmark reading stat from ~1600 cgroups, the sys time was
lowered by >40%.
Signed-off-by: Tejun Heo <tj@kernel.org>
Add tracepoints for pipe enable/disable. We'll include the
frame/scanline counters for all pipes in these tracepoints to
help in diagnosing underruns and whatnot when enabling/disabling
pipes in parallel with plane updates/flips on another pipe.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190206204910.13965-2-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Add a tracepoint for pipe crc. Makes life much simpler when staring at
traces when hunting for fifo underruns and other issues which cause
corrupted frames. We'll add the tracepoint before filtering out any
potentially bogus crcs during modeset (should actually verify if that
filtering is even correct anymore...)
v2: s/crcs[5]/*crcs/ in the function argument because something
in the macros wants to do sizeof(crcs) and gcc likes to
warn us it's not an actual array so the size may not be
as expected. The silly bugger even does that for 'crcs[]'
causing us to lose any helpful syntactic hint that we
are in fact dealing with an array (kbuild test robot)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190206204910.13965-1-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
The upcoming GCC 9 release extends the -Wmissing-attributes warnings
(enabled by -Wall) to C and aliases: it warns when particular function
attributes are missing in the aliases but not in their target.
In particular, it triggers for all the init/cleanup_module
aliases in the kernel (defined by the module_init/exit macros),
ending up being very noisy.
These aliases point to the __init/__exit functions of a module,
which are defined as __cold (among other attributes). However,
the aliases themselves do not have the __cold attribute.
Since the compiler behaves differently when compiling a __cold
function as well as when compiling paths leading to calls
to __cold functions, the warning is trying to point out
the possibly-forgotten attribute in the alias.
In order to keep the warning enabled, we decided to silence
this case. Ideally, we would mark the aliases directly
as __init/__exit. However, there are currently around 132 modules
in the kernel which are missing __init/__exit in their init/cleanup
functions (either because they are missing, or for other reasons,
e.g. the functions being called from somewhere else); and
a section mismatch is a hard error.
A conservative alternative was to mark the aliases as __cold only.
However, since we would like to eventually enforce __init/__exit
to be always marked, we chose to use the new __copy function
attribute (introduced by GCC 9 as well to deal with this).
With it, we copy the attributes used by the target functions
into the aliases. This way, functions that were not marked
as __init/__exit won't have their aliases marked either,
and therefore there won't be a section mismatch.
Note that the warning would go away marking either the extern
declaration, the definition, or both. However, we only mark
the definition of the alias, since we do not want callers
(which only see the declaration) to be compiled as if the function
was __cold (and therefore the paths leading to those calls
would be assumed to be unlikely).
Link: https://lore.kernel.org/lkml/20190123173707.GA16603@gmail.com/
Link: https://lore.kernel.org/lkml/20190206175627.GA20399@gmail.com/
Suggested-by: Martin Sebor <msebor@gcc.gnu.org>
Acked-by: Jessica Yu <jeyu@kernel.org>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
From the GCC manual:
copy
copy(function)
The copy attribute applies the set of attributes with which function
has been declared to the declaration of the function to which
the attribute is applied. The attribute is designed for libraries
that define aliases or function resolvers that are expected
to specify the same set of attributes as their targets. The copy
attribute can be used with functions, variables, or types. However,
the kind of symbol to which the attribute is applied (either
function or variable) must match the kind of symbol to which
the argument refers. The copy attribute copies only syntactic and
semantic attributes but not attributes that affect a symbol’s
linkage or visibility such as alias, visibility, or weak.
The deprecated attribute is also not copied.
https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html
The upcoming GCC 9 release extends the -Wmissing-attributes warnings
(enabled by -Wall) to C and aliases: it warns when particular function
attributes are missing in the aliases but not in their target, e.g.:
void __cold f(void) {}
void __alias("f") g(void);
diagnoses:
warning: 'g' specifies less restrictive attribute than
its target 'f': 'cold' [-Wmissing-attributes]
Using __copy(f) we can copy the __cold attribute from f to g:
void __cold f(void) {}
void __copy(f) __alias("f") g(void);
This attribute is most useful to deal with situations where an alias
is declared but we don't know the exact attributes the target has.
For instance, in the kernel, the widely used module_init/exit macros
define the init/cleanup_module aliases, but those cannot be marked
always as __init/__exit since some modules do not have their
functions marked as such.
Suggested-by: Martin Sebor <msebor@gcc.gnu.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
The upcoming GCC 9 release extends the -Wmissing-attributes warnings
(enabled by -Wall) to C and aliases: it warns when particular function
attributes are missing in the aliases but not in their target.
In particular, it triggers here because crc32_le_base/__crc32c_le_base
aren't __pure while their target crc32_le/__crc32c_le are.
These aliases are used by architectures as a fallback in accelerated
versions of CRC32. See commit 9784d82db3 ("lib/crc32: make core crc32()
routines weak so they can be overridden").
Therefore, being fallbacks, it is likely that even if the aliases
were called from C, there wouldn't be any optimizations possible.
Currently, the only user is arm64, which calls this from asm.
Still, marking the aliases as __pure makes sense and is a good idea
for documentation purposes and possible future optimizations,
which also silences the warning.
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
On module unload/remove, we need to ensure that work does not run
after we have freed resources. Concretely, cancel_delayed_work()
may return while the callback function is still running.
From kernel/workqueue.c:
The work callback function may still be running on return,
unless it returns true and the work doesn't re-arm itself.
Explicitly flush or use cancel_delayed_work_sync() to wait on it.
Link: https://lore.kernel.org/lkml/20190204220952.30761-1-TheSven73@googlemail.com/
Reported-by: Sven Van Asbroeck <thesven73@gmail.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Sven Van Asbroeck <TheSven73@gmail.com>
Acked-by: Robin van der Gracht <robin@protonic.nl>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
* 'for-next/perf' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
perf: xgene: Remove set but not used variable 'config'
arm64: perf: remove misleading comment
dt-bindings: arm: Convert PMU binding to json-schema
Since we no longer need to hold struct_mutex to perform a global device
reset, don't do so for igt_reset_wedge().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190215102732.15520-2-chris@chris-wilson.co.uk
Helper function to get driver's context out of ib_udata wrapped in
uverbs_attr_bundle for user objects or NULL for kernel objects.
Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Add ib_ucontext to the uverbs_attr_bundle sent down the iocl and cmd flows
as soon as the flow has ib_uobject.
In addition, remove rdma_get_ucontext helper function that is only used by
ib_umem_get.
Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
atomic_t variables are currently used to implement reference
counters with the following properties:
- counter is initialized to 1 using atomic_set()
- a resource is freed upon counter reaching zero
- once counter reaches zero, its further
increments aren't allowed
- counter schema uses basic atomic operations
(set, inc, inc_not_zero, dec_and_test, etc.)
Such atomic variables should be converted to a newly provided
refcount_t type and API that prevents accidental counter overflows
and underflows. This is important since overflows and underflows
can lead to use-after-free situation and be exploitable.
The variable uprobe.ref is used as pure reference counter.
Convert it to refcount_t and fix up the operations.
**Important note for maintainers:
Some functions from refcount_t API defined in lib/refcount.c
have different memory ordering guarantees than their atomic
counterparts.
The full comparison can be seen in
https://lkml.org/lkml/2017/11/15/57 and it is hopefully soon
in state to be merged to the documentation tree.
Normally the differences should not matter since refcount_t provides
enough guarantees to satisfy the refcounting use cases, but in
some rare cases it might matter.
Please double check that you don't have some undocumented
memory guarantees for this variable usage.
For the uprobe.ref it might make a difference
in following places:
- put_uprobe(): decrement in refcount_dec_and_test() only
provides RELEASE ordering and control dependency on success
vs. fully ordered atomic counterpart
Link: http://lkml.kernel.org/r/1547637627-29526-1-git-send-email-elena.reshetova@intel.com
Suggested-by: Kees Cook <keescook@chromium.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: David Windsor <dwindsor@gmail.com>
Reviewed-by: Hans Liljestrand <ishkamiel@gmail.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Enabling of large number of functions by echoing in a large subset of the
functions in available_filter_functions can take a very long time. The
process requires testing all functions registered by the function tracer
(which is in the 10s of thousands), and doing a kallsyms lookup to convert
the ip address into a name, then comparing that name with the string passed
in.
When a function causes the function tracer to crash the system, a binary
bisect of the available_filter_functions can be done to find the culprit.
But this requires passing in half of the functions in
available_filter_functions over and over again, which makes it basically a
O(n^2) operation. With 40,000 functions, that ends up bing 1,600,000,000
opertions! And enabling this can take over 20 minutes.
As a quick speed up, if a number is passed into one of the filter files,
instead of doing a search, it just enables the function at the corresponding
line of the available_filter_functions file. That is:
# echo 50 > set_ftrace_filter
# cat set_ftrace_filter
x86_pmu_commit_txn
# head -50 available_filter_functions | tail -1
x86_pmu_commit_txn
This allows setting of half the available_filter_functions to take place in
less than a second!
# time seq 20000 > set_ftrace_filter
real 0m0.042s
user 0m0.005s
sys 0m0.015s
# wc -l set_ftrace_filter
20000 set_ftrace_filter
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Library functions for endianness are aligned for 16/32/64 bits.
But hdcp sequence numbers are 24bits(big endian).
So for their conversion to and from u32 helper functions are developed.
v2:
Comment is updated. [Daniel]
Reviewed-by Uma.
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1550219730-17734-10-git-send-email-ramalingam.c@intel.com
Defining the mei-i915 interface functions and initialization of
the interface.
v2:
Adjust to the new interface changes. [Tomas]
Added further debug logs for the failures at MEI i/f.
port in hdcp_port data is equipped to handle -ve values.
v3:
mei comp is matched for global i915 comp master. [Daniel]
In hdcp_shim hdcp_protocol() is replaced with const variable. [Daniel]
mei wrappers are adjusted as per the i/f change [Daniel]
v4:
port initialization is done only at hdcp2_init only [Danvet]
v5:
I915 registers a subcomponent to be matched with mei_hdcp [Daniel]
v6:
HDCP_disable for all connectors incase of comp_unbind.
Tear down HDCP comp interface at i915_unload [Daniel]
v7:
Component init and fini are moved out of connector ops [Daniel]
hdcp_disable is not called from unbind. [Daniel]
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> [v11]
[danvet: For the topic/mei-hdcp shared branch drop everything but the
header change needed by both drm/i915 and mei-hdcp. Also drop the no
longer needed device.h include.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1550219730-17734-6-git-send-email-ramalingam.c@intel.com
Header defines the interface for the I915 and MEI_HDCP drivers.
This interface is specific to the usage of mei_hdcp from gen9+
platforms for ME FW based HDCP2.2 services.
And Generic HDCP2.2 protocol specific definitions
are added at drm/drm_hdcp.h.
v2:
Commit msg is enhanced [Daniel]
v3:
i915_hdcp_comp_master is defined.
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> [v2]
Reviewed-by: Uma Shankar <uma.shankar@intel.com> [v2]
[danvet: Fix subject to drm/i915.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1550219730-17734-4-git-send-email-ramalingam.c@intel.com
For the reusability of the enum port in other driver modules
(like mei_hdcp), enum port definition is moved from I915 local header
intel_display.h to drm/i915_drm.h
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[danvet: Fix subject prefix.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1550219730-17734-3-git-send-email-ramalingam.c@intel.com
The following commit
441dae8f2f ("tracing: Add support for display of tgid in trace output")
removed the call to print_event_info() from print_func_help_header_irq()
which results in the ftrace header not reporting the number of entries
written in the buffer. As this wasn't the original intent of the patch,
re-introduce the call to print_event_info() to restore the orginal
behaviour.
Link: http://lkml.kernel.org/r/20190214152950.4179-1-quentin.perret@arm.com
Acked-by: Joel Fernandes <joelaf@google.com>
Cc: stable@vger.kernel.org
Fixes: 441dae8f2f ("tracing: Add support for display of tgid in trace output")
Signed-off-by: Quentin Perret <quentin.perret@arm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This driver is for LTC3676 rather than LTC1376.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Use case range for continuous range to make the code shorter.
The .readable_reg and .writable_reg implementation are exactly the same,
so use a common ltc3676_readable_writeable_reg function instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge tag 'for-linus-20190215' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Ensure we insert into the hctx dispatch list, if a request is marked
as DONTPREP (Jianchao)
- NVMe pull request, single missing unlock on error fix (Keith)
- MD pull request, single fix for a potentially data corrupting issue
(Nate)
- Floppy check_events regression fix (Yufen)
* tag 'for-linus-20190215' of git://git.kernel.dk/linux-block:
md/raid1: don't clear bitmap bits on interrupted recovery.
floppy: check_events callback should not return a negative number
nvme-pci: add missing unlock for reset error
blk-mq: insert rq with DONTPREP to hctx dispatch list when requeue
- Fix the Clang warning for enum in Navigator dma
- Simplify code in ti_sci with DEFINE_SHOW_ATTRIBUTE macro
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Merge tag 'drivers_soc_for_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into arm/drivers
soc: ti: couple of non critical fixes for v5.1
- Fix the Clang warning for enum in Navigator dma
- Simplify code in ti_sci with DEFINE_SHOW_ATTRIBUTE macro
* tag 'drivers_soc_for_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
soc: ti: knav_dma: Use proper enum in pktdma_init_chan
firmware: ti_sci: Change to use DEFINE_SHOW_ATTRIBUTE macro
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
for 5.1, please pull the following:
- Stefan updates the BCM2835 SoC driver with downstream properties and
uses that to implement a reboot notifier to tell the VC4 firmware when
Linux on the ARM CPU is rebooting
- Eric adds a proper power domain driver for the BCM283x SoCs and
updates a bunch of drivers to have a better and clearer Device Tree
definition to support power domains/breaking up of functionality. This
requires converting the existing watchdog driver into a MFD and then
breaking up the functionality into separate drivers and finally
updating the DTS files to leverage the power domains information.
- Wei provides a fix for making a symbol static
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Merge tag 'arm-soc/for-5.1/drivers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom ARM/ARM64/MIPS based SoCs changes
for 5.1, please pull the following:
- Stefan updates the BCM2835 SoC driver with downstream properties and
uses that to implement a reboot notifier to tell the VC4 firmware when
Linux on the ARM CPU is rebooting
- Eric adds a proper power domain driver for the BCM283x SoCs and
updates a bunch of drivers to have a better and clearer Device Tree
definition to support power domains/breaking up of functionality. This
requires converting the existing watchdog driver into a MFD and then
breaking up the functionality into separate drivers and finally
updating the DTS files to leverage the power domains information.
- Wei provides a fix for making a symbol static
* tag 'arm-soc/for-5.1/drivers' of https://github.com/Broadcom/stblinux:
ARM: bcm283x: Switch V3D over to using the PM driver instead of firmware.
ARM: bcm283x: Extend the WDT DT node out to cover the whole PM block. (v4)
soc: bcm: bcm2835-pm: Make local symbol static
soc: bcm: Make PM driver default for BCM2835
soc: bcm: bcm2835-pm: Add support for power domains under a new binding.
bcm2835-pm: Move bcm2835-watchdog's DT probe to an MFD.
dt-bindings: soc: Add a new binding for the BCM2835 PM node. (v4)
firmware: raspberrypi: notify VC4 firmware of a reboot
soc: bcm2835: sync firmware properties with downstream
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* Add Qualcomm RPMh power domain driver and related changes
* Fix issues with sleep/wake sets and batch API in RPMh
* Update MAINTAINERS Qualcomm entry
* Fixup RMTFS-mem sysfs and uevents
* Fix error handling in GSBI
* Add SMD-RPM compatible entry for SDM660
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Merge tag 'qcom-drivers-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/drivers
Qualcomm ARM Based Driver Updates for v5.1
* Add Qualcomm RPMh power domain driver and related changes
* Fix issues with sleep/wake sets and batch API in RPMh
* Update MAINTAINERS Qualcomm entry
* Fixup RMTFS-mem sysfs and uevents
* Fix error handling in GSBI
* Add SMD-RPM compatible entry for SDM660
* tag 'qcom-drivers-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
soc: qcom: smd-rpm: Add sdm660 compatible
soc: qcom: gsbi: Fix error handling in gsbi_probe()
soc: qcom: rpmh: Avoid accessing freed memory from batch API
drivers: qcom: rpmh: avoid sending sleep/wake sets immediately
soc: qcom: rmtfs-mem: Make sysfs attributes world-readable
soc: qcom: rmtfs-mem: Add class to enable uevents
soc: qcom: update config dependencies for QCOM_RPMPD
soc: qcom: rpmpd: Drop family A RPM dependency
MAINTAINERS: update list of qcom drivers
soc: qcom: rpmhpd: Mark mx as a parent for cx
soc: qcom: rpmhpd: Add RPMh power domain driver
soc: qcom: rpmpd: Add support for get/set performance state
soc: qcom: rpmpd: Add a Power domain driver to model corners
dt-bindings: power: Add qcom rpm power domain driver bindings
OPP: Add support for parsing the 'opp-level' property
dt-bindings: opp: Introduce opp-level bindings
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- supp_nowait flag for non-blocking tee requests
- The tee bus driver framework
- OP-TEE TEE bus device enumeration support
- An OP-TEE based rng driver
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Merge tag 'tee-bus-for-5.1' of https://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers
Introduce TEE bus driver framework
- supp_nowait flag for non-blocking tee requests
- The tee bus driver framework
- OP-TEE TEE bus device enumeration support
- An OP-TEE based rng driver
* tag 'tee-bus-for-5.1' of https://git.linaro.org/people/jens.wiklander/linux-tee:
hwrng: add OP-TEE based rng driver
tee: optee: add TEE bus device enumeration support
tee: add bus driver framework for TEE based devices
tee: add supp_nowait flag in tee_context struct
