| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This is a fairly quiet release. We don't have any patches to the core
framework. The only patch that can even be considered "core" adds
another clk_get() variant. The rest of the changes are in drivers for
various SoCs, and we have a few bits for ARM shmobile architecture
code (dts and mach) due to the dependency we're breaking between
shmobile architecture code and its clk driver. Those shmobile bits
have also been pulled into arm-soc tree. Here's the summary:
Core:
- Support for devm_get_clk_from_child() used with DT bindings that
have subnodes with the 'clocks' property
New Drivers:
- Allwinner A64 (sun50i)
- i.MX imx6ull
- Socionext's UniPhier SoC CPUs
- Mediatek MT2701 SoCs
- Rockchip rk1108 SoCs
- Qualcomm MSM8994/MSM8992 SoCS
- Qualcomm RPM Clocks
- Hisilicon Hi3516CV300 and Hi3798CV200 CRG
- Oxford Semiconductor OX820 and OX810SE SoCs
- Renesas RZ/G1M and RZ/GIE SoCs
- Renesas R-Car RST driver for mode pin states
Updates:
- Four Allwinner SoCs are migrated to the new style clk driver
- Rockchip rk3399,rk3066 PLL optimizations
- i.MX LVDS display glitch fixes and AV PLL precision improvements
- Qualcomm MSM8996 GPU GDSCs, hw controlled GDSCs, and Alpha PLL
support
- Explicit demodularization of always builtin drivers
- Freescale Qoriq ls1012a and ls1046a support
- Exynos 5433 parent typo fix and critical clock tagging
- Renesas r8a7743/r8a7745 CPG
- Renesas R-Car M3-W CSI2/VIN/SYS-DMAC/(H)SCIF/I2C/DRIF/gfx support
- stm32f4* LSI, LSE, RTC, and QSPI clocks
- pxa27x and pxa25x cpufreq as clks
- TI omap36xx sprz319 advisory 2.1 workaround
- Broadcom bcm2835 rate change propogation to PLLH_AUX from VEC"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (150 commits)
clk: bcm: Fix 'maybe-uninitialized' warning in bcm2835_clock_choose_div_and_prate()
clk: add devm_get_clk_from_child() API
clk: st: clk-flexgen: Unmap region obtained by of_iomap
clk: keystone: pll: Unmap region obtained by of_iomap
clk:mmp:clk-of-mmp2: Free memory and Unmap region obtained by kzalloc and of_iomap
clk:mmp:clk-of-pxa910: Free memory and Unmap region obtained by kzmalloc and of_iomap
clk: mmp: clk-of-pxa1928: Free memory obtained by kzalloc
clk: cdce925: Fix limit check
clk: bcm: Make COMMON_CLK_IPROC into a library
clk: qoriq: added ls1012a clock configuration
clk: ti: dra7: fix "failed to lookup clock node gmac_gmii_ref_clk_div" boot message
clk: bcm: Allow rate change propagation to PLLH_AUX on VEC clock
clk: bcm: Support rate change propagation on bcm2835 clocks
clk: bcm2835: Avoid overwriting the div info when disabling a pll_div clk
clk: ti: omap36xx: Work around sprz319 advisory 2.1
clk: clk-wm831x: fix a logic error
clk: uniphier: add cpufreq data for LD11, LD20 SoCs
clk: uniphier: add CPU-gear change (cpufreq) support
clk: qcom: Put venus core0/1 gdscs to hw control mode
clk: qcom: gdsc: Add support for gdscs with HW control
...
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Now the R-Car Gen2 CPG clock driver obtains the state of the mode pins
from the R-Car RST driver, there's no longer a need to pass this state
explicitly. Hence we can just call of_clk_init() instead.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Now the R-Car H1 CPG clock driver obtains the state of the mode pins
from the R-Car RST driver, there's no longer a need to pass this state
explicitly. Hence we can just remove the .init_time() callback, the
generic ARM code will take care of calling of_clk_init() and
clocksource_probe().
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Now the R-Car M1A CPG clock driver obtains the state of the mode pins
from the R-Car RST driver, there's no longer a need to pass this state
explicitly. Hence we can just remove the .init_time() callback, the
generic ARM code will take care of calling of_clk_init().
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Add a device node for the RST module, which provides a.o. reset control
and mode pin monitoring.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Add a device node for the RST module, which provides a.o. reset control
and mode pin monitoring.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Add a device node for the RST module, which provides a.o. reset control
and mode pin monitoring.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Add a device node for the RST module, which provides a.o. reset control
and mode pin monitoring.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Add a device node for the RST module, which provides a.o. reset control
and mode pin monitoring.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add a device node for the RST module, which provides a.o. reset control
and mode pin monitoring.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Add a device node for the RST module, which provides a.o. reset control
and mode pin monitoring.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Add a device node for the RESET/WDT module, which provides a.o. reset
control, mode pin monitoring, and watchdog control.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Add a device node for the RESET/WDT module, which provides a.o. reset
control, mode pin monitoring, and watchdog control.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
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Pull remoteproc updates from Bjorn Andersson:
- introduce remoteproc "subdevice" support, which allows remoteproc
driver to associate devices to the "running" state of the remoteproc,
allowing devices to be probed and removed as the remote processor is
booted, shut down or recovering from a crash.
- handling of virtio device resources was improved, vring memory is now
allocated as part of other memory allocation. This ensures that all
vrings for all virtio devices are allocated before we boot the remote
processor.
- the debugfs mechanism for starting and stopping remoteproc instances
was replaced with a sysfs interface, also providing a mechanism for
specifying firmware to use by the instance. This allows user space to
load and boot use case specific firmware on remote processors.
- new drivers for the ST Slimcore and Qualcomm Hexagon DSP as well as
removal of the unused StE modem loader.
- finally support for crash recovery in the Qualcomm Wirelss subsystem
(used for WiFi/BT/FM on a number of platforms) and a number of bug
fixes and cleanups
* tag 'rproc-v4.10' of git://github.com/andersson/remoteproc: (49 commits)
remoteproc: qcom_adsp_pil: select qcom_scm
remoteproc: Drop wait in __rproc_boot()
remoteproc/ste: Delete unused driver
remoteproc: Remove "experimental" warning
remoteproc: qcom_adsp_pil: select qcom_scm
dt-binding: soc: qcom: smd: Add label property
remoteproc: qcom: mdt_loader: add include for sizes
remoteproc: Update last rproc_put users to rproc_free
remoteproc: qcom: adsp: Add missing MODULE_DEVICE_TABLE
remoteproc: wcnss-pil: add QCOM_SMD dependency
dmaengine: st_fdma: Revert: "Revert: Update st_fdma to 'depends on REMOTEPROC'"
remoteproc: Add support for xo clock
remoteproc: adsp-pil: fix recursive dependency
remoteproc: Introduce Qualcomm ADSP PIL
dt-binding: remoteproc: Introduce ADSP loader binding
remoteproc: qcom_wcnss: Fix circular module dependency
remoteproc: Merge table_ptr and cached_table pointers
remoteproc: Remove custom vdev handler list
remoteproc: Update max_notifyid as we allocate vrings
remoteproc: Decouple vdev resources and devices
...
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This patch enables the STi ALSA drivers found on STi platforms
as well as the simple-card driver which is a dependency to have
working sound.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Cc: arnaud.pouliquen@st.com
Cc: broonie@kernel.org
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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This DMA controller is found on all STi chipsets.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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The st231 remote coprocessors are found on all STi chipsets.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Now that remoteproc core is selectable it needs to be enabled
in the multi_v7 build.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Pull MMC updates from Ulf Hansson:
"It's been an busy period for mmc. Quite some changes in the mmc core,
two new mmc host drivers, some existing drivers being extended to
support new IP versions and lots of other updates.
MMC core:
- Delete eMMC packed command support
- Introduce mmc_abort_tuning() to enable eMMC tuning to fail
gracefully
- Introduce mmc_can_retune() to see if a host can be retuned
- Re-work and improve the sequence when sending a CMD6 for mmc
- Enable CDM13 polling when switching to HS and HS DDR mode for mmc
- Relax checking for CMD6 errors after switch to HS200
- Re-factoring the code dealing with the mmc block queue
- Recognize whether the eMMC card supports CMDQ
- Fix 4K native sector check
- Don't power off the card when starting the host
- Increase MMC_IOC_MAX_BYTES to support bigger firmware binaries
- Improve error handling and drop meaningless BUG_ONs()
- Lots of clean-ups and changes to improve the quality of the code
MMC host:
- sdhci: Fix tuning sequence and clean-up the related code
- sdhci: Add support to via DT override broken SDHCI cap register
bits
- sdhci-cadence: Add new driver for Cadence SD4HC SDHCI variant
- sdhci-msm: Update clock management
- sdhci-msm: Add support for eMMC HS400 mode
- sdhci-msm: Deploy runtime/system PM support
- sdhci-iproc: Extend driver support to newer IP versions
- sdhci-pci: Add support for Intel GLK
- sdhci-pci: Add support for Intel NI byt sdio
- sdhci-acpi: Add support for 80860F14 UID 2 SDIO bus
- sdhci: Lots of various small improvements and clean-ups
- tmio: Add support for tuning
- sh_mobile_sdhi: Add support for tuning
- sh_mobile_sdhi: Extend driver to support SDHI IP on R7S72100 SoC
- sh_mobile_sdhi: remove support for sh7372
- davinci: Use mmc_of_parse() to enable generic mmc DT bindings
- meson: Add new driver to support GX platforms
- dw_mmc: Deploy generic runtime/system PM support
- dw_mmc: Lots of various small improvements
As a part of the mmc changes this time, I have also pulled in an
immutable branch/tag (soc-device-match-tag1) hosted by Geert
Uytterhoeven, to share the implementation of the new
soc_device_match() interface. This is needed by these mmc related
changes:
- mmc: sdhci-of-esdhc: Get correct IP version for T4240-R1.0-R2.0
- soc: fsl: add GUTS driver for QorIQ platforms"
* tag 'mmc-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (136 commits)
mmc: sdhci-cadence: add Cadence SD4HC support
mmc: sdhci: export sdhci_execute_tuning()
mmc: sdhci: Tidy tuning loop
mmc: sdhci: Simplify tuning block size logic
mmc: sdhci: Factor out tuning helper functions
mmc: sdhci: Use mmc_abort_tuning()
mmc: mmc: Introduce mmc_abort_tuning()
mmc: sdhci: Always allow tuning to fall back to fixed sampling
mmc: sdhci: Fix tuning reset after exhausting the maximum number of loops
mmc: sdhci: Fix recovery from tuning timeout
Revert "mmc: sdhci: Reset cmd and data circuits after tuning failure"
mmc: mmc: Relax checking for switch errors after HS200 switch
mmc: sdhci-acpi: support 80860F14 UID 2 SDIO bus
mmc: sdhci-of-at91: remove bogus MMC_SDHCI_IO_ACCESSORS select
mmc: sdhci-pci: Use ACPI to get max frequency for Intel NI byt sdio
mmc: sdhci-pci: Add PCI ID for Intel NI byt sdio
mmc: sdhci-s3c: add spin_unlock_irq() before calling clk_round_rate
mmc: dw_mmc: display the clock message only one time when card is polling
mmc: dw_mmc: add the debug message for polling and non-removable
mmc: dw_mmc: check the "present" variable before checking flags
...
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Add the dts node for device configuration unit that provides
general purpose configuration and status for the device.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Scott Wood <oss@buserror.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
- userspace LED class driver - it can be useful for testing triggers
and can also be used to implement virtual LEDs
- LED class driver for NIC78bx device
- LED core fixes for preventing potential races while setting
brightness when software blinking is enabled
- improvements in LED documentation to mention semantics on changing
brightness while trigger is active
* tag 'leds_for_4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: pca955x: Add ACPI support
leds: netxbig: fix module autoload for OF registration
leds: pca963x: Add ACPI support
leds: leds-cobalt-raq: use builtin_platform_driver
led: core: Fix blink_brightness setting race
led: core: Use atomic bit-field for the blink-flags
leds: Add user LED driver for NIC78bx device
leds: verify vendor and change license in mlxcpld driver
leds: pca963x: enable low-power state
leds: pca9532: Use default trigger value from platform data
leds: pca963x: workaround group blink scaling issue
cleanup LED documentation and make it match reality
leds: lp3952: Export I2C module alias information for module autoload
leds: mc13783: Fix MC13892 keypad led access
ledtrig-cpu.c: fix english
leds/leds-lp5523.txt: make documentation match reality
tools/leds: Add uledmon program for monitoring userspace LEDs
leds: Use macro for max device node name size
leds: Introduce userspace LED class driver
mfd: qcom-pm8xxx: Clean up PM8XXX namespace
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The Kconfig and file naming for the PM8xxx driver is totally
confusing:
- Kconfig options MFD_PM8XXX and MFD_PM8921_CORE, some in-kernel
users depending on or selecting either at random.
- A driver file named pm8921-core.c even if it is indeed
used by the whole PM8xxx family of chips.
- An irqchip named pm8xxx since it was (I guess) realized that
the driver was generic for all pm8xxx PMICs.
As I may want to add support for PM8901 this is starting to get
really messy. Fix this situation by:
- Remove the MFD_PM8921_CORE symbol and rely solely on MFD_PM8XXX
and convert all users, including LEDs Kconfig and ARM defconfigs
for qcom and multi_v7 to use that single symbol.
- Renaming the driver to qcom-pm8xxx.c to fit along the two
other qcom* prefixed drivers.
- Rename functions withing the driver from 8921 to 8xxx to
indicate it is generic.
- Just drop the =m config from the pxa_defconfig, I have no clue
why it is even there, it is not a Qualcomm platform. (Possibly
older Kconfig noise from saveconfig.)
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Gross <andy.gross@linaro.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Luinus Walleij:
"Bulk GPIO changes for the v4.10 kernel cycle:
Core changes:
- Simplify threaded interrupt handling: instead of passing numbed
parameters to gpiochip_irqchip_add_chained() we create a new call:
gpiochip_irqchip_add_nested() so the two types are clearly
semantically different. Also make sure that all nested chips call
gpiochip_set_nested_irqchip() which is necessary for IRQ resend to
work properly if it happens.
- Return error on seek operations for the chardev.
- Clamp values set as part of gpio[d]_direction_output() so that
anything != 0 will be send down to the driver as "1" not the value
passed in.
- ACPI can now support naming of GPIO lines, hogs and holes in the
GPIO lists.
New drivers:
- The SX150x driver was deemed unfit for the GPIO subsystem and was
moved over to a combined GPIO+pinctrl driver in the pinctrl
subsystem.
New features:
- Various cleanups to various drivers"
* tag 'gpio-v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (49 commits)
gpio: merrifield: Implement gpio_get_direction callback
gpio: merrifield: Add support for hardware debouncer
gpio: chardev: Return error for seek operations
gpio: arizona: Tidy up probe error path
gpio: arizona: Remove pointless set of platform drvdata
gpio: pl061: delete platform data handling
gpio: pl061: move platform data into driver
gpio: pl061: rename variable from chip to pl061
gpio: pl061: rename state container struct
gpio: pl061: use local state for parent IRQ storage
gpio: set explicit nesting on drivers
gpio: simplify adding threaded interrupts
gpio: vf610: use builtin_platform_driver
gpio: axp209: use correct register for GPIO input status
gpio: stmpe: fix interrupt handling bug
gpio: em: depnd on ARCH_SHMOBILE
gpio: zx: depend on ARCH_ZX
gpio: x86: update config dependencies for x86 specific hardware
gpio: mb86s7x: use builtin_platform_driver
gpio: etraxfs: use builtin_platform_driver
...
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No boardfile defines any PL061 platform data anymore: the
Integrator IM/PD-1 includes the file but is not making use
of the struct. Let's delete the include and all references,
then move the platform data into the driver for later
consolidation into the driver state container.
The only resource defined by the IM/PD-1 is the IRQ which
is passed through the AMBA PrimeCell bus abstraction
struct amba_device.
Cc: arm@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Pull documentation update from Jonathan Corbet:
"These are the documentation changes for 4.10.
It's another busy cycle for the docs tree, as the sphinx conversion
continues. Highlights include:
- Further work on PDF output, which remains a bit of a pain but
should be more solid now.
- Five more DocBook template files converted to Sphinx. Only 27 to
go... Lots of plain-text files have also been converted and
integrated.
- Images in binary formats have been replaced with more
source-friendly versions.
- Various bits of organizational work, including the renaming of
various files discussed at the kernel summit.
- New documentation for the device_link mechanism.
... and, of course, lots of typo fixes and small updates"
* tag 'docs-4.10' of git://git.lwn.net/linux: (193 commits)
dma-buf: Extract dma-buf.rst
Update Documentation/00-INDEX
docs: 00-INDEX: document directories/files with no docs
docs: 00-INDEX: remove non-existing entries
docs: 00-INDEX: add missing entries for documentation files/dirs
docs: 00-INDEX: consolidate process/ and admin-guide/ description
scripts: add a script to check if Documentation/00-INDEX is sane
Docs: change sh -> awk in REPORTING-BUGS
Documentation/core-api/device_link: Add initial documentation
core-api: remove an unexpected unident
ppc/idle: Add documentation for powersave=off
Doc: Correct typo, "Introdution" => "Introduction"
Documentation/atomic_ops.txt: convert to ReST markup
Documentation/local_ops.txt: convert to ReST markup
Documentation/assoc_array.txt: convert to ReST markup
docs-rst: parse-headers.pl: cleanup the documentation
docs-rst: fix media cleandocs target
docs-rst: media/Makefile: reorganize the rules
docs-rst: media: build SVG from graphviz files
docs-rst: replace bayer.png by a SVG image
...
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Bring in -rc4 patches so I can successfully merge the sound doc changes.
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The previous patch renamed several files that are cross-referenced
along the Kernel documentation. Adjust the links to point to
the right places.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Merge updates from Andrew Morton:
- various misc bits
- most of MM (quite a lot of MM material is awaiting the merge of
linux-next dependencies)
- kasan
- printk updates
- procfs updates
- MAINTAINERS
- /lib updates
- checkpatch updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (123 commits)
init: reduce rootwait polling interval time to 5ms
binfmt_elf: use vmalloc() for allocation of vma_filesz
checkpatch: don't emit unified-diff error for rename-only patches
checkpatch: don't check c99 types like uint8_t under tools
checkpatch: avoid multiple line dereferences
checkpatch: don't check .pl files, improve absolute path commit log test
scripts/checkpatch.pl: fix spelling
checkpatch: don't try to get maintained status when --no-tree is given
lib/ida: document locking requirements a bit better
lib/rbtree.c: fix typo in comment of ____rb_erase_color
lib/Kconfig.debug: make CONFIG_STRICT_DEVMEM depend on CONFIG_DEVMEM
MAINTAINERS: add drm and drm/i915 irc channels
MAINTAINERS: add "C:" for URI for chat where developers hang out
MAINTAINERS: add drm and drm/i915 bug filing info
MAINTAINERS: add "B:" for URI where to file bugs
get_maintainer: look for arbitrary letter prefixes in sections
printk: add Kconfig option to set default console loglevel
printk/sound: handle more message headers
printk/btrfs: handle more message headers
printk/kdb: handle more message headers
...
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Add arch specific callback in the generic THP page cache code that will
deposit and withdarw preallocated page table. Archs like ppc64 use this
preallocated table to store the hash pte slot information.
Testing:
kernel build of the patch series on tmpfs mounted with option huge=always
The related thp stat:
thp_fault_alloc 72939
thp_fault_fallback 60547
thp_collapse_alloc 603
thp_collapse_alloc_failed 0
thp_file_alloc 253763
thp_file_mapped 4251
thp_split_page 51518
thp_split_page_failed 1
thp_deferred_split_page 73566
thp_split_pmd 665
thp_zero_page_alloc 3
thp_zero_page_alloc_failed 0
[akpm@linux-foundation.org: remove unneeded parentheses, per Kirill]
Link: http://lkml.kernel.org/r/20161113150025.17942-2-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Independent of whether the vma is for anonymous memory, some arches like
ppc64 would like to override pmd_move_must_withdraw().
One option is to encapsulate the vma_is_anonymous() check for general
architectures inside pmd_move_must_withdraw() so that is always called
and architectures that need unconditional overriding can override this
function. ppc64 needs to override the function when the MMU is
configured to use hash PTE's.
[bsingharora@gmail.com: reworked changelog]
Link: http://lkml.kernel.org/r/20161113150025.17942-1-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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vfree() is going to use sleeping lock. free_ldt_struct() may be called
with disabled preemption, therefore we must use vfree_atomic() here.
E.g. call trace:
vfree()
free_ldt_struct()
destroy_context_ldt()
__mmdrop()
finish_task_switch()
schedule_tail()
ret_from_fork()
Link: http://lkml.kernel.org/r/1479474236-4139-7-git-send-email-hch@lst.de
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Jisheng Zhang <jszhang@marvell.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: John Dias <joaodias@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The bug in khugepaged fixed earlier in this series shows that radix tree
slot replacement is fragile; and it will become more so when not only
NULL<->!NULL transitions need to be caught but transitions from and to
exceptional entries as well. We need checks.
Re-implement radix_tree_replace_slot() on top of the sanity-checked
__radix_tree_replace(). This requires existing callers to also pass the
radix tree root, but it'll warn us when somebody replaces slots with
contents that need proper accounting (transitions between NULL entries,
real entries, exceptional entries) and where a replacement through the
slot pointer would corrupt the radix tree node counts.
Link: http://lkml.kernel.org/r/20161117193021.GB23430@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Suggested-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox <mawilcox@linuxonhyperv.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In commit c5320926e370 ("mem-hotplug: introduce movable_node boot
option"), the memblock allocation direction is changed to bottom-up and
then back to top-down like this:
1. memblock_set_bottom_up(true), called by cmdline_parse_movable_node().
2. memblock_set_bottom_up(false), called by x86's numa_init().
Even though (1) occurs in generic mm code, it is wrapped by #ifdef
CONFIG_MOVABLE_NODE, which depends on X86_64.
This means that when we extend CONFIG_MOVABLE_NODE to non-x86 arches,
things will be unbalanced. (1) will happen for them, but (2) will not.
This toggle was added in the first place because x86 has a delay between
adding memblocks and marking them as hotpluggable. Since other arches
do this marking either immediately or not at all, they do not require
the bottom-up toggle.
So, resolve things by moving (1) from cmdline_parse_movable_node() to
x86's setup_arch(), immediately after the movable_node parameter has
been parsed.
Link: http://lkml.kernel.org/r/1479160961-25840-3-git-send-email-arbab@linux.vnet.ibm.com
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Alistair Popple <apopple@au1.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Stewart Smith <stewart@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "enable movable nodes on non-x86 configs", v7.
This patchset allows more configs to make use of movable nodes. When
CONFIG_MOVABLE_NODE is selected, there are two ways to introduce such
nodes into the system:
1. Discover movable nodes at boot. Currently this is only possible on
x86, but we will enable configs supporting fdt to do the same.
2. Hotplug and online all of a node's memory using online_movable. This
is already possible on any config supporting memory hotplug, not
just x86, but the Kconfig doesn't say so. We will fix that.
We'll also remove some cruft on power which would prevent (2).
This patch (of 5):
Remove the check which prevents us from hotplugging into an empty node.
The original commit b226e4621245 ("[PATCH] powerpc: don't add memory to
empty node/zone"), states that this was intended to be a temporary measure.
It is a workaround for an oops which no longer occurs.
Link: http://lkml.kernel.org/r/1479160961-25840-2-git-send-email-arbab@linux.vnet.ibm.com
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Alistair Popple <apopple@au1.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Stewart Smith <stewart@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Now that we check for page size change early in the loop, we can
partially revert e9d55e157034a ("mm: change the interface for
__tlb_remove_page").
This simplies the code much, by removing the need to track the last
address with which we adjusted the range. We also go back to the older
way of filling the mmu_gather array, ie, we add an entry and then check
whether the gather batch is full.
Link: http://lkml.kernel.org/r/20161026084839.27299-6-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With commit e77b0852b551 ("mm/mmu_gather: track page size with mmu
gather and force flush if page size change") we added the ability to
force a tlb flush when the page size change in a mmu_gather loop. We
did that by checking for a page size change every time we added a page
to mmu_gather for lazy flush/remove. We can improve that by moving the
page size change check early and not doing it every time we add a page.
This also helps us to do tlb flush when invalidating a range covering
dax mapping. Wrt dax mapping we don't have a backing struct page and
hence we don't call tlb_remove_page, which earlier forced the tlb flush
on page size change. Moving the page size change check earlier means we
will do the same even for dax mapping.
We also avoid doing this check on architecture other than powerpc.
In a later patch we will remove page size check from tlb_remove_page().
Link: http://lkml.kernel.org/r/20161026084839.27299-5-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This add tlb_remove_hugetlb_entry similar to tlb_remove_pmd_tlb_entry.
Link: http://lkml.kernel.org/r/20161026084839.27299-4-aneesh.kumar@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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While building m32r defconfig we got warnings:
arch/m32r/platforms/m32700ut/setup.c:249:24: warning: 'm32700ut_lcdpld_irq_type' defined but not used [-Wunused-variable]
m32700ut_lcdpld_irq_type is only used when CONFIG_USB is enabled.
Modify the code to declare the related variables and functions only when
CONFIG_USB is enabled.
Link: http://lkml.kernel.org/r/1479244406-7507-1-git-send-email-sudipm.mukherjee@gmail.com
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Some builds of m32r were failing as it tried to build few drivers which
needed dma but m32r is not having dma support. Objections were raised
when it was tried to make those drivers depend on HAS_DMA. So the next
best thing is to add dma support to m32r. dma_noop is a very simple dma
with 1:1 memory mapping.
Link: http://lkml.kernel.org/r/1475949198-31623-1-git-send-email-sudipm.mukherjee@gmail.com
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The irq department provides:
- a major update to the auto affinity management code, which is used
by multi-queue devices
- move of the microblaze irq chip driver into the common driver code
so it can be shared between microblaze, powerpc and MIPS
- a series of updates to the ARM GICV3 interrupt controller
- the usual pile of fixes and small improvements all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
powerpc/virtex: Use generic xilinx irqchip driver
irqchip/xilinx: Try to fall back if xlnx,kind-of-intr not provided
irqchip/xilinx: Add support for parent intc
irqchip/xilinx: Rename get_irq to xintc_get_irq
irqchip/xilinx: Restructure and use jump label api
irqchip/xilinx: Clean up print messages
microblaze/irqchip: Move intc driver to irqchip
ARM: virt: Select ARM_GIC_V3_ITS
ARM: gic-v3-its: Add 32bit support to GICv3 ITS
irqchip/gic-v3-its: Specialise readq and writeq accesses
irqchip/gic-v3-its: Specialise flush_dcache operation
irqchip/gic-v3-its: Narrow down Entry Size when used as a divider
irqchip/gic-v3-its: Change unsigned types for AArch32 compatibility
irqchip/gic-v3: Use nops macro for Cavium ThunderX erratum 23154
irqchip/gic-v3: Convert arm64 GIC accessors to {read,write}_sysreg_s
genirq/msi: Drop artificial PCI dependency
irqchip/bcm7038-l1: Implement irq_cpu_offline() callback
genirq/affinity: Use default affinity mask for reserved vectors
genirq/affinity: Take reserved vectors into account when spreading irqs
PCI: Remove the irq_affinity mask from struct pci_dev
...
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The Xilinx interrupt controller driver is now available in drivers/irqchip.
Switch to using that driver.
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Now that the driver is generic and used by multiple archs,
get_irq is too generic.
Rename get_irq to xintc_get_irq to avoid any conflicts
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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The Xilinx AXI Interrupt Controller IP block is used by the MIPS
based xilfpga platform and a few PowerPC based platforms.
Move the interrupt controller code out of arch/microblaze so that
it can be used by everyone
Tested-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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This patch allows ARM guests to use GICv3 ITS on an arm64 host
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Wire-up flush_dcache, readq- and writeq-like gic-v3-its assessors, so
GICv3 ITS gets all it needs to be built and run.
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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readq and writeq type of assessors are not supported in AArch32, so we
need to specialise them and glue later with series of 32-bit accesses
on AArch32 side.
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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It'd be better to switch to CMA... but before that done redirect
flush_dcache operation, so 32-bit implementation could be wired
latter.
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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The workaround for Cavium ThunderX erratum 23154 has a homebrew
pipeflush built out of NOP sequences around the read of the IAR.
This patch converts the code to use the new nops macro, which makes it
a little easier to read.
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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The GIC system registers are accessed using open-coded wrappers around
the mrs_s/msr_s asm macros.
This patch moves the code over to the {read,wrote}_sysreg_s accessors
instead, reducing the amount of explicit asm blocks in the arch headers.
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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