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To model the muxes downstream of fractional dividers we introduced the
child property, allowing to describe a direct child clock.
The first implementation seems to cause section warnings, as the core
clock-tree is marked as initdata while the data pointed to from the
child element is not.
While there may be some way to also set that missing property in the
inline notation I didn't find it, so to actually fix the issue for now
move the sub-definitions into separate declarations that can have
their own __initdata properties.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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Use the newly introduced possibility to combine the fractional dividers
with their downstream muxes for all fractional dividers on currently
supported RK3036 SoCs.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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Some clocks need to be enabled to accept rate changes. This patch adds a
new flag CLK_SET_RATE_UNGATE that lets clk_change_rate enable the clock
before trying to change the rate and disable it again afterwards.
This of course doesn't effect clocks that are already running at that
point, as their refcount will only temporarily increase.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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The clock branches leading to sclk_spdif and sclk_spdif_8ch on RK3288
SoCs only feed those clocks, allow those clocks to change their parents
all the way up the hierarchy.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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Use the newly introduced possibility to combine the fractional dividers
with their downstream muxes for all fractional dividers on currently
supported Rockchip SoCs.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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The fractional dividers of Rockchip SoCs contain an "auto-gating-feature"
that requires the downstream mux to actually point to the fractional
divider and the fractional divider gate to be enabled, for it to really
accept changes to the divider ratio.
The downstream muxes themselfs are not generic enough to include them
directly into the fractional divider, as they have varying sources of
parent clocks including not only clocks related to the fractional
dividers but other clocks as well.
To solve this, allow our clock branches to specify direct child clock-
branches in the new child property, let the fractional divider register
its downstream mux through this and add a clock notifier that temporarily
switches the mux setting when it notices rate changes to the fractional
divider.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
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Due to a copy-paste error the the rk3368 cpuclk settings were acessing
rk3288-specific register offsets. This never caused problems till now,
as cpu frequency scaling in't used currently at all.
Reported-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add aclk_bus and aclk_peri to the list of rk3368 critical clocks,
which are the base clocks that supply for all peripherals, never
to be disabled automatically.
Signed-off-by: Jianqun xu <jay.xu@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Most rk3368 boards (especially those with Pmic that followed the lead
from rk3368-evb-act8846) have a PWM regulator on them for vdd_logic.
This is the main voltage for all kinds of misc stuff including the
memory controller.
On these boards it is critically important to make sure that the PWM
never ever glitches and never loses its clock. Any glitch could
crash the system.
Right now there are no users of the PWM regulator and also Linux
thinks that the PWM regulator is disabled. Things happen to work
because firmware configured the PWM and Linux doesn't touch it.
..and the PWM's clock is marked as "ignore unused".
...but things _stop_ working if we turn off serial console. Why?
Because:
1. Serial console shares a parent clock with the PWM (pclk_cpu)
2. If we have no serial console then nobody is holding pclk_cpu on
at reboot time. It gets disabled.
We need to fix a lot of the above problems, but until we get
everything right the cleanest "hack" seems like it is to just keep
the "rk_pwm" clock on always.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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We've been seeing some crashes at reboot test on rk3288-based systems,
which boards have not reset pin connected to NPOR, they reboot by
setting 0xfdb9 to RK3288_GLB_SRST_FST register. If the APLL works in
a high frequency mode, some IPs might hang during soft reset.
It appears that we can fix the problem by switching to slow mode before
reboot, just like what we did before suspend.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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sclk_mipidsi_24m is the gating of mipi dsi phy.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Adds a new id for the sclk supplying the mipidsi on rk3288 socs.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add the clock tree definition for the new rk3036 SoC.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The rk3036's pll and clock are different with base on the rk3066(rk3188,
rk3288, rk3368 use it), there are different adjust foctors and control
registers, so these should be independent and separate from the series
of rk3066s.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add the devicetree binding for the cru on the rk3036 which quite similar
structured as previous clock controllers.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Set the newly added id for the crypto clk, so that it can be called
in other parts.
Signed-off-by: Zain Wang <zain.wang@rock-chips.com>
Acked-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add the dt-bindings header for the rk3036, that gets shared between
the clock controller and the clock references in the dts.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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Add an id for crypto clk to the binding header, so that it can be called
in other part.
Signed-off-by: Zain Wang <zain.wang@rock-chips.com>
Acked-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Thomas Gleixner:
"Mostly updates to the perf tool plus two fixes to the kernel core code:
- Handle tracepoint filters correctly for inherited events (Peter
Zijlstra)
- Prevent a deadlock in perf_lock_task_context (Paul McKenney)
- Add missing newlines to some pr_err() calls (Arnaldo Carvalho de
Melo)
- Print full source file paths when using 'perf annotate --print-line
--full-paths' (Michael Petlan)
- Fix 'perf probe -d' when just one out of uprobes and kprobes is
enabled (Wang Nan)
- Add compiler.h to list.h to fix 'make perf-tar-src-pkg' generated
tarballs, i.e. out of tree building (Arnaldo Carvalho de Melo)
- Add the llvm-src-base.c and llvm-src-kbuild.c files, generated by
the 'perf test' LLVM entries, when running it in-tree, to
.gitignore (Yunlong Song)
- libbpf error reporting improvements, using a strerror interface to
more precisely tell the user about problems with the provided
scriptlet, be it in C or as a ready made object file (Wang Nan)
- Do not be case sensitive when searching for matching 'perf test'
entries (Arnaldo Carvalho de Melo)
- Inform the user about objdump failures in 'perf annotate' (Andi
Kleen)
- Improve the LLVM 'perf test' entry, introduce a new ones for BPF
and kbuild tests to check the environment used by clang to compile
.c scriptlets (Wang Nan)"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (32 commits)
perf/x86/intel/rapl: Remove the unused RAPL_EVENT_DESC() macro
tools include: Add compiler.h to list.h
perf probe: Verify parameters in two functions
perf session: Add missing newlines to some pr_err() calls
perf annotate: Support full source file paths for srcline fix
perf test: Add llvm-src-base.c and llvm-src-kbuild.c to .gitignore
perf: Fix inherited events vs. tracepoint filters
perf: Disable IRQs across RCU RS CS that acquires scheduler lock
perf test: Do not be case sensitive when searching for matching tests
perf test: Add 'perf test BPF'
perf test: Enhance the LLVM tests: add kbuild test
perf test: Enhance the LLVM test: update basic BPF test program
perf bpf: Improve BPF related error messages
perf tools: Make fetch_kernel_version() publicly available
bpf tools: Add new API bpf_object__get_kversion()
bpf tools: Improve libbpf error reporting
perf probe: Cleanup find_perf_probe_point_from_map to reduce redundancy
perf annotate: Inform the user about objdump failures in --stdio
perf stat: Make stat options global
perf sched latency: Fix thread pid reuse issue
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
"A single fix to prevent math underflow in the numa balancing code"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/numa: Fix math underflow in task_tick_numa()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull liblockdep fixes from Thomas Gleixner:
"Three small patches to synchronize liblockdep with the latest core
changes"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tools/liblockdep: explicitly declare lockdep API we call from liblockdep
tools/liblockdep: add userspace versions of WRITE_ONCE and RCU_INIT_POINTER
tools/liblockdep: remove task argument from debug_check_no_locks_held
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A couple of fixes and updates related to x86:
- Fix the W+X check regression on XEN
- The real fix for the low identity map trainwreck
- Probe legacy PIC early instead of unconditionally allocating legacy
irqs
- Add cpu verification to long mode entry
- Adjust the cache topology to AMD Fam17H systems
- Let Merrifield use the TSC across S3"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Call verify_cpu() after having entered long mode too
x86/setup: Fix low identity map for >= 2GB kernel range
x86/mm: Skip the hypervisor range when walking PGD
x86/AMD: Fix last level cache topology for AMD Fam17h systems
x86/irq: Probe for PIC presence before allocating descs for legacy IRQs
x86/cpu/intel: Enable X86_FEATURE_NONSTOP_TSC_S3 for Merrifield
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq and timer fixes from Thomas Gleixner:
- An irq regression fix to restore the wakeup behaviour of chained
interrupts.
- A timer fix for a long standing race versus timers scheduled on a
target cpu which got exposed by recent changes in the workqueue
implementation.
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/PM: Restore system wake up from chained interrupts
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Use proper base migration in add_timer_on()
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Pull MIPS updates from Ralf Baechle:
"These are the highlists of the main MIPS pull request for 4.4:
- Add latencytop support
- Support appended DTBs
- VDSO support and initially use it for gettimeofday.
- Drop the .MIPS.abiflags and ELF NOTE sections from vmlinux
- Support for the 5KE, an internal test core.
- Switch all MIPS platfroms to libata drivers.
- Improved support, cleanups for ralink and Lantiq platforms.
- Support for the new xilfpga platform.
- A number of DTB improvments for BMIPS.
- Improved support for CM and CPS.
- Minor JZ4740 and BCM47xx enhancements"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (120 commits)
MIPS: idle: add case for CPU_5KE
MIPS: Octeon: Support APPENDED_DTB
MIPS: vmlinux: create a section for appended DTB
MIPS: Clean up compat_siginfo_t
MIPS: Fix PAGE_MASK definition
MIPS: BMIPS: Enable GZIP ramdisk and timed printks
MIPS: Add xilfpga defconfig
MIPS: xilfpga: Add mipsfpga platform code
MIPS: xilfpga: Add xilfpga device tree files.
dt-bindings: MIPS: Document xilfpga bindings and boot style
MIPS: Make MIPS_CMDLINE_DTB default
MIPS: Make the kernel arguments from dtb available
MIPS: Use USE_OF as the guard for appended dtb
MIPS: BCM63XX: Use pr_* instead of printk
MIPS: Loongson: Cleanup CONFIG_LOONGSON_SUSPEND.
MIPS: lantiq: Disable xbar fpi burst mode
MIPS: lantiq: Force the crossbar to big endian
MIPS: lantiq: Initialize the USB core on boot
MIPS: lantiq: Return correct value for fpi clock on ar9
MIPS: ralink: Add missing clock on rt305x
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here are a collection of small fixes tha have been gathered for
4.4-rc1. The only significant changes are those in PCI drivers
Kconfig, to use "depends on" instead of "select" for CONFIG_ZONE_DMA.
A reverse select is often more user-friendly, but in this case, it
makes hard to manage with the conflict with ZONE_DEVICE, so changed in
such a way for now.
Others are all small fixes and quirks: an error check in soundcore
reigster_chrdev(), HD-audio HDMI/DP phantom jack fix, Intel Broxton DP
quirk, USB-audio DSD device quirk, some constifications, etc"
* tag 'sound-fix-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: pci: depend on ZONE_DMA
ALSA: hda - Simplify phantom jack handling for HDMI/DP
ALSA: hda/hdmi - apply Skylake fix-ups to Broxton display codec
ALSA: ctxfi: constify rsc ops structures
ALSA: usb: Add native DSD support for Aune X1S
ALSA: oxfw: add an comment to Kconfig for TASCAM FireOne
sound: fix check for error condition of register_chrdev()
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Found a couple of brown paper bag bugs with the prev pull request
(including a SMP build breakage report from Guenter). Since these are
urgent I also decided to send over a bunch of other pending fixes
which could have otherwise waited an rc or two.
Summary:
- A bunch of brown paper bag bugs (MAINTAINERS list email, SMP build
failure)
- cpu_relax() now compiler barrier for UP as well
- handling of userspace Bus Errors for ARCompact builds"
* tag 'arc-4.4-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: Fix silly typo in MAINTAINERS file
ARC: cpu_relax() to be compiler barrier even for UP
ARC: use ASL assembler mnemonic
ARC: [arcompact] Handle bus error from userspace as Interrupt not exception
ARC: remove extraneous header include
ARCv2: lib: memcpy: use local symbols
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cpu_relax() on ARC has been barrier only for SMP (and no-op for UP). Per
recent discussions, it is safer to make it a compiler barrier
unconditionally.
Link: http://lkml.kernel.org/r/53A7D3AA.9020100@synopsys.com
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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ARCompact and ARCv2 only have ASL, while binutils used to support LSL as
a alias mnemonic.
Newer binutils (upstream) don't want to do that so replace it.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Bus errors from userspace on ARCompact based cores are handled by core
as a high priority L2 interrupt but current code treated it as interrupt
Handling an interrupt like exception is certainly not going to go unnoticed.
(and it worked so far as we never saw a Bus error from userspace until
IPPK guys tested a DDR controller with ECC error detection etc hence
needed to explicitly trigger/handle such errors)
- So move mem_service exception handler from common code into ARCv2 code.
- In ARCompact code, define mem_service as L2 interrupt handler which
just drops down to pure kernel mode and goes of to enqueue SIGBUS
Reported-by: Nelson Pereira <npereira@synopsys.com>
Tested-by: Ana Martins <amartins@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform
Pull chrome platform updates from Olof Johansson:
"Here's the branch of chrome platform changes for v4.4. Some have been
queued up for the full 4.3 release cycle since I forgot to send them
in for that round (rebased early on to deal with fixes conflicts).
Most of these enable EC communication stuff -- Pixel 2015 support,
enabling building for ARM64 platforms, and a few fixes for memory
leaks.
There's also a patch in here to allow reading/writing the verified
boot context, which depends on a sysfs patch acked by Greg"
* tag 'chrome-platform-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform:
platform/chrome: Fix i2c-designware adapter name
platform/chrome: Support reading/writing the vboot context
sysfs: Support is_visible() on binary attributes
platform/chrome: cros_ec: Fix possible leak in led_rgb_store()
platform/chrome: cros_ec: Fix leak in sequence_store()
platform/chrome: Enable Chrome platforms on 64-bit ARM
platform/chrome: cros_ec_dev - Add a platform device ID table
platform/chrome: cros_ec_lpc - Add support for Google Pixel 2
platform/chrome: cros_ec_lpc - Use existing function to check EC result
platform/chrome: Make depends on MFD_CROS_EC instead CROS_EC_PROTO
Revert "platform/chrome: Don't make CHROME_PLATFORMS depends on X86 || ARM"
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull another x86 platform driver update from Darren Hart:
"Support for the unfortunately rather unique ESC key on the Ideapad
Yoga 3 and two DMI matches for rfkill support. Solitary fix for
potential missed errors for asus-wmi. Downgrade a thinkpad_acpi
message to info.
asus-wmi:
- fix error handling in store_sys_wmi()
ideapad-laptop:
- Add Lenovo Yoga 900 to no_hw_rfkill dmi list
- include Yoga 3 1170 in add rfkill whitelist
- add support for Yoga 3 ESC key
thinkpad_acpi:
- Don't yell on unsupported brightness interfaces"
* tag 'platform-drivers-x86-v4.4-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
asus-wmi: fix error handling in store_sys_wmi()
ideapad-laptop: Add Lenovo Yoga 900 to no_hw_rfkill dmi list
ideapad-laptop: include Yoga 3 1170 in add rfkill whitelist
ideapad-laptop: add support for Yoga 3 ESC key
thinkpad_acpi: Don't yell on unsupported brightness interfaces
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull more input updates from Dmitry Torokhov:
"An update to the tsc2005 driver that allows it to also support tsc2004
(basically the same controller, but uses i2c instead of spi bus), and
a couple of bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: parkbd - drop bogus __init from parkbd_allocate_serio()
Input: elantech - add Fujitsu Lifebook U745 to force crc_enabled
Input: tsc2004 - add support for tsc2004
Input: tsc200x-core - rename functions and variables
Input: tsc2005 - separate SPI and core functions
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Pull final round of SCSI updates from James Bottomley:
"Sorry for the delay in this patch which was mostly caused by getting
the merger of the mpt2/mpt3sas driver, which was seen as an essential
item of maintenance work to do before the drivers diverge too much.
Unfortunately, this caused a compile failure (detected by linux-next),
which then had to be fixed up and incubated.
In addition to the mpt2/3sas rework, there are updates from pm80xx,
lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc and ufs plus
an assortment of changes including some year 2038 issues, a fix for a
remove before detach issue in some drivers and a couple of other minor
issues"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits)
mpt3sas: fix inline markers on non inline function declarations
sd: Clear PS bit before Mode Select.
ibmvscsi: set max_lun to 32
ibmvscsi: display default value for max_id, max_lun and max_channel.
mptfusion: don't allow negative bytes in kbuf_alloc_2_sgl()
scsi: pmcraid: replace struct timeval with ktime_get_real_seconds()
mvumi: 64bit value for seconds_since1970
be2iscsi: Fix bogus WARN_ON length check
scsi_scan: don't dump trace when scsi_prep_async_scan() is called twice
mpt3sas: Bump mpt3sas driver version to 09.102.00.00
mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs
mpt2sas, mpt3sas: Update the driver versions
mpt3sas: setpci reset kernel oops fix
mpt3sas: Added OEM Gen2 PnP ID branding names
mpt3sas: Refcount fw_events and fix unsafe list usage
mpt3sas: Refcount sas_device objects and fix unsafe list usage
mpt3sas: sysfs attribute to report Backup Rail Monitor Status
mpt3sas: Ported WarpDrive product SSS6200 support
mpt3sas: fix for driver fails EEH, recovery from injected pci bus error
mpt3sas: Manage MSI-X vectors according to HBA device type
...
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
"This series contains HCH's changes to absorb configfs attribute
->show() + ->store() function pointer usage from it's original
tree-wide consumers, into common configfs code.
It includes usb-gadget, target w/ drivers, netconsole and ocfs2
changes to realize the improved simplicity, that now renders the
original include/target/configfs_macros.h CPP magic for fabric drivers
and others, unnecessary and obsolete.
And with common code in place, new configfs attributes can be added
easier than ever before.
Note, there are further improvements in-flight from other folks for
v4.5 code in configfs land, plus number of target fixes for post -rc1
code"
In the meantime, a new user of the now-removed old configfs API came in
through the char/misc tree in commit 7bd1d4093c2f ("stm class: Introduce
an abstraction for System Trace Module devices").
This merge resolution comes from Alexander Shishkin, who updated his stm
class tracing abstraction to account for the removal of the old
show_attribute and store_attribute methods in commit 517982229f78
("configfs: remove old API") from this pull. As Alexander says about
that patch:
"There's no need to keep an extra wrapper structure per item and the
awkward show_attribute/store_attribute item ops are no longer needed.
This patch converts policy code to the new api, all the while making
the code quite a bit smaller and easier on the eyes.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>"
That patch was folded into the merge so that the tree should be fully
bisectable.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (23 commits)
configfs: remove old API
ocfs2/cluster: use per-attribute show and store methods
ocfs2/cluster: move locking into attribute store methods
netconsole: use per-attribute show and store methods
target: use per-attribute show and store methods
spear13xx_pcie_gadget: use per-attribute show and store methods
dlm: use per-attribute show and store methods
usb-gadget/f_serial: use per-attribute show and store methods
usb-gadget/f_phonet: use per-attribute show and store methods
usb-gadget/f_obex: use per-attribute show and store methods
usb-gadget/f_uac2: use per-attribute show and store methods
usb-gadget/f_uac1: use per-attribute show and store methods
usb-gadget/f_mass_storage: use per-attribute show and store methods
usb-gadget/f_sourcesink: use per-attribute show and store methods
usb-gadget/f_printer: use per-attribute show and store methods
usb-gadget/f_midi: use per-attribute show and store methods
usb-gadget/f_loopback: use per-attribute show and store methods
usb-gadget/ether: use per-attribute show and store methods
usb-gadget/f_acm: use per-attribute show and store methods
usb-gadget/f_hid: use per-attribute show and store methods
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs xattr cleanups from Al Viro.
* 'for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
f2fs: xattr simplifications
squashfs: xattr simplifications
9p: xattr simplifications
xattr handlers: Pass handler to operations instead of flags
jffs2: Add missing capability check for listing trusted xattrs
hfsplus: Remove unused xattr handler list operations
ubifs: Remove unused security xattr handler
vfs: Fix the posix_acl_xattr_list return value
vfs: Check attribute names in posix acl xattr handers
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
- three fixes tagged for -stable including a crash fix, simple
performance tweak, and an invalid i/o error.
- build regression fix for the nvdimm unit tests
- nvdimm documentation update
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: fix __dax_pmd_fault crash
libnvdimm: documentation clarifications
libnvdimm, pmem: fix size trim in pmem_direct_access()
libnvdimm, e820: fix numa node for e820-type-12 pmem ranges
tools/testing/nvdimm, acpica: fix flag rename build breakage
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Now that the xattr handler is passed to the xattr handler operations, we
have access to the attribute name prefix, so simplify
f2fs_xattr_generic_list.
Also, f2fs_xattr_advise_list is only ever called for
f2fs_xattr_advise_handler; there is no need to double check for that.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Changman Lee <cm224.lee@samsung.com>
Cc: Chao Yu <chao2.yu@samsung.com>
Cc: linux-f2fs-devel@lists.sourceforge.net
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Now that the xattr handler is passed to the xattr handler operations, we
have access to the attribute name prefix, so simplify the squashfs xattr
handlers a bit.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Phillip Lougher <phillip@squashfs.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Now that the xattr handler is passed to the xattr handler operations, we
can use the same get and set operations for the user, trusted, and security
xattr namespaces. In those namespaces, we can access the full attribute
name by "reattaching" the name prefix the vfs has skipped for us. Add a
xattr_full_name helper to make this obvious in the code.
For the "system.posix_acl_access" and "system.posix_acl_default"
attributes, handler->prefix is the full attribute name; the suffix is the
empty string.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Cc: v9fs-developer@lists.sourceforge.net
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The xattr_handler operations are currently all passed a file system
specific flags value which the operations can use to disambiguate between
different handlers; some file systems use that to distinguish the xattr
namespace, for example. In some oprations, it would be useful to also have
access to the handler prefix. To allow that, pass a pointer to the handler
to operations instead of the flags value alone.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The vfs checks if a task has the appropriate access for get and set
operations, but it cannot do that for the list operation; the file system
must check for that itself.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The list operations can never be called; they are even documented to be
unused.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Ubifs installs a security xattr handler in sb->s_xattr but doesn't use the
generic_{get,set,list,remove}xattr inode operations needed for processing
this list of attribute handlers; the handler is never called. Instead,
ubifs uses its own xattr handlers which also process security xattrs.
Remove the dead code.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Richard Weinberger <richard@nod.at>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: linux-mtd@lists.infradead.org
Cc: Subodh Nijsure <snijsure@grid-net.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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When a filesystem that contains POSIX ACLs is mounted without ACL support
(-o noacl), the appropriate behavior is not to list any existing POSIX ACL
xattrs. The return value for list xattr handlers in this case is 0, not an
error code: several filesystems that use the POSIX ACL xattr handlers do
not expect the list operation to fail.
Symlinks cannot have ACLs, so posix_acl_xattr_list will never be called for
symlinks in the first place.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The get and set operations of the POSIX ACL xattr handlers failed to check
the attribute names, so all names with "system.posix_acl_access" or
"system.posix_acl_default" as a prefix were accepted. Reject invalid names
from now on.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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