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The EVM consists of a system on module (SOM) and baseboard, and LCD.
This patch adds a DTSI file for the SOM and baseboard separately,
then a wrapper to combine them and specify processor type and a
LCD information.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Now that all sensors supplied by reg_sensors have supported
regulator control, reg_sensors does NOT need to be always ON,
remove "regulator-always-on" to save power.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The mma8451 sensor driver has supported regulators control,
assign the power supplies for mma8451 to enable the control.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The mag3110 sensor driver has supported regulators control,
assign the power supplies for mag3110 to enable the control.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The isl29023 light sensor driver has supported regulator control,
assign the power supply for isl29023 to enable the control.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add the Zodiac Digital Tapping Unit, a VF610 based network device with
5 Ethernet ports. One of these ports supports 1000Base-T2.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The pfla02 SoM has a Micrel KSZ9031RNX ethernet phy connected to the FEC,
which needs RX and TX clock skew settings to compensate for differences
in line length. The skew values are taken from barebox commit
4c65c20f1071 ("ARM: pfla02: Set new ethernet phy tx timings"), which
is based on patches originally provided by Phytec:
TX_CLK line is approx. 54mm longer than other TX lines which adds
a delay of 0.36ns. RGMII need a delay of min. 1.0ns. This mean we
have to add a delay of 0.64ns. We choose 0.78 to have a little gap.
This can be done by setting GTX pad skew value to 11100
Also add a delay for the RX delay lines, needed for the Duallite
variant. => Set register 2.8 (RGMII Clock Pad Skew) to 0x039F.
Cc: Christian Hemp <c.hemp@phytec.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The DA9063 device need the required "interrupt-controller" property as
documented by the bindings [1].
[1] Documentation/devicetree/bindings/mfd/da9063.txt
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add the stmpe-adc DT node as found on Toradex iMX6 modules
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add missing devicetree compatibles for the following LS1021A based
boards:
ls1021a-moxa-uc-8410a.dts
ls1021a-qds.dts
ls1021a-twr.dts
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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A valid WEIM range configuration must specify range entries for
all four chip selects. This fixes an error on boot:
imx-weim: probe of 21b8000.weim failed with error -22
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The Phytec phyBOARD Segin is i.MX6 based SBC, available with either an
i.MX6UL or i.MX6ULL SOM and various add-on boards.
The following adds support for the "Full Featured" version of the Segin,
which is provided with the i.MX6UL SOM and the PEB-EVAL-01 evaluation
module.
Its hardware specifications are:
* 512MB DDR3 memory
* 512MB NAND flash
* Dual 10/100 Ethernet
* USB Host and USB OTG
* RS232
* MicroSD external storage
* Audio, RS232, I2C, SPI, CAN headers
* Further I/O options via A/V and Expansion headers
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Since commit d2d0ad2aec4a ("i2c: imx: use open drain for recovery
GPIO") GPIO lib expects this GPIO to be configured as open drain.
Make sure we define this GPIO as open drain in the device tree.
This gets rid of the following warning:
gpio-81 (scl): enforced open drain please flag it properly in DT/ACPI DSDT/board file
Note that currently the i.MX pinctrl driver does not support
enabling open drain directly, so this patch has no effect in
practice. Open drain is enabled by the fixed pinmux entry.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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esdhc0 is connected to an eMMC, so it is safe to pass the "no-sdio"/"no-sd"
properties.
esdhc1 is wired to a standard SD socket, so pass the "no-sdio" property.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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These are i.MX6S/DL based SBCs embedded in various Y Soft products.
All share the same board design but have slightly different HW
configuration.
Ursa
- i.MX6S SoC, 512MB RAM DDR3, 4GB eMMC, microSD
- parallel WVGA 7" LCD with touch panel
- 1x Eth (QCA8334 switch)
- USB OTG
- USB host (micro-B)
Draco
- i.MX6S SoC, 512MB RAM DDR3, 4GB eMMC, microSD
- parallel WVGA 7" LCD with touch panel
- 2x Eth (QCA8334 switch)
- USB OTG
- USB host (micro-B)
- RGB LED (I2C LP5562)
- 3.5mm audio jack + codec (LM49350)
Hydra
- i.MX6DL SoC, 2GB RAM DDR3, 4GB eMMC, microSD
- I2C OLED display, capacitive matrix keys
- 2x Eth (QCA8334 switch)
- USB OTG
- RGB LED (I2C LP5562)
- 3.5mm audio jack + codec (LM49350)
- HDMI
- miniPCIe slot
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i.MX7ULP SoC revision info is inside the SIM mode's JTAG_ID
register, add sim node to support SoC revision check.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i.MX6ULL has errata ERR010450, there is I/O timing limitation,
for SDR mode, SD card clock can't exceed 150MHz, for DDR mode,
SD card clock can't exceed 45MHz. This patch change to use the
new compatible "fsl,imx6ull-usdhc" to follow this limitation.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Since imx6ulz.dtsi includes imx6ull.dtsi, we only need to fix the compatible
string here to achieve the correct OTP size for both SoCs.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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This was implemented in the driver but not actually defined and
referenced in dts. This makes it always on.
From reference manual in section "10.4.1.4.1 Power Distribution":
"Display domain - The DISPLAY domain contains GIS, CSI, PXP, LCDIF,
PCIe, DCIC, and LDB. It is supplied by internal regulator."
The current pd_pcie is actually only for PCIE_PHY, the PCIE ip block is
actually inside the DISPLAY domain. Handle this by adding the pcie node
in both power domains.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Define the required properties to enable I2C bus recovery supported by
the I2C subsystem.
This patch adds GPIO based I2C fault injector for Digi Connectcore SOM.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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This patch adds definitions for ESDHC1 for Digi Connectore SOM & JSK.
This interface can be used to boot a module.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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In fact, the RTC battery can only be connected outside the module,
so this patch moves the PMIC RTC property and its power from SOM dts
to JSK.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The interrupt controller is located at the physical address 0x10040000.
This patch changes the unit name of the controller to reflect the actual
address.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add this property to improve USB read write performance.
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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From i.MX6SL Reference Manual, the PWMx's ipg clock
for registers access is from perclk, correct them.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add num-viewport property for PCIe DT nodes to specify how many
viewports are implemented.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The procedure to read this ID value is as follows:
rmmod spi_fsl_dspi
insmod spi-gpio.ko
echo 504 > /sys/class/gpio/export
cat /sys/class/gpio/gpio504/value
...
echo 511 > /sys/class/gpio/export
cat /sys/class/gpio/gpio511/value
rmmod spi-gpio.ko
insmod spi_fsl_dspi
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Adopt the SPDX license identifier headers to ease license compliance
management.
Signed-off-by: Soeren Moch <smoch@web.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The LS1021A has a memory controller that supports EDAC. This commit
adds an entry for it.
Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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All the I2C devices connected to the I2C0 bus are capable of
running at 400kHz, so run it at a higher frequency.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i.MX7ULP can switch CPU between RUN mode and HSRUN mode
by programming SMC1 register, different clock sources
will be used for CPU in different modes, so SMC1 can be
abstracted as a clock controller for CPU clock switch,
this patch adds support for it.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- improve boolinit.cocci and use_after_iter.cocci semantic patches
- fix alignment for kallsyms
- move 'asm goto' compiler test to Kconfig and clean up jump_label
CONFIG option
- generate asm-generic wrappers automatically if arch does not
implement mandatory UAPI headers
- remove redundant generic-y defines
- misc cleanups
* tag 'kbuild-v4.21-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: rename generated .*conf-cfg to *conf-cfg
kbuild: remove unnecessary stubs for archheader and archscripts
kbuild: use assignment instead of define ... endef for filechk_* rules
arch: remove redundant UAPI generic-y defines
kbuild: generate asm-generic wrappers if mandatory headers are missing
arch: remove stale comments "UAPI Header export list"
riscv: remove redundant kernel-space generic-y
kbuild: change filechk to surround the given command with { }
kbuild: remove redundant target cleaning on failure
kbuild: clean up rule_dtc_dt_yaml
kbuild: remove UIMAGE_IN and UIMAGE_OUT
jump_label: move 'asm goto' support test to Kconfig
kallsyms: lower alignment on ARM
scripts: coccinelle: boolinit: drop warnings on named constants
scripts: coccinelle: check for redeclaration
kconfig: remove unused "file" field of yylval union
nds32: remove redundant kernel-space generic-y
nios2: remove unneeded HAS_DMA define
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf tooling updates form Ingo Molnar:
"A final batch of perf tooling changes: mostly fixes and small
improvements"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (29 commits)
perf session: Add comment for perf_session__register_idle_thread()
perf thread-stack: Fix thread stack processing for the idle task
perf thread-stack: Allocate an array of thread stacks
perf thread-stack: Factor out thread_stack__init()
perf thread-stack: Allow for a thread stack array
perf thread-stack: Avoid direct reference to the thread's stack
perf thread-stack: Tidy thread_stack__bottom() usage
perf thread-stack: Simplify some code in thread_stack__process()
tools gpio: Allow overriding CFLAGS
tools power turbostat: Override CFLAGS assignments and add LDFLAGS to build command
tools thermal tmon: Allow overriding CFLAGS assignments
tools power x86_energy_perf_policy: Override CFLAGS assignments and add LDFLAGS to build command
perf c2c: Increase the HITM ratio limit for displayed cachelines
perf c2c: Change the default coalesce setup
perf trace beauty ioctl: Beautify USBDEVFS_ commands
perf trace beauty: Export function to get the files for a thread
perf trace: Wire up ioctl's USBDEBFS_ cmd table generator
perf beauty ioctl: Add generator for USBDEVFS_ ioctl commands
tools headers uapi: Grab a copy of usbdevice_fs.h
perf trace: Store the major number for a file when storing its pathname
...
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The semantics of what "in core" means for the mincore() system call are
somewhat unclear, but Linux has always (since 2.3.52, which is when
mincore() was initially done) treated it as "page is available in page
cache" rather than "page is mapped in the mapping".
The problem with that traditional semantic is that it exposes a lot of
system cache state that it really probably shouldn't, and that users
shouldn't really even care about.
So let's try to avoid that information leak by simply changing the
semantics to be that mincore() counts actual mapped pages, not pages
that might be cheaply mapped if they were faulted (note the "might be"
part of the old semantics: being in the cache doesn't actually guarantee
that you can access them without IO anyway, since things like network
filesystems may have to revalidate the cache before use).
In many ways the old semantics were somewhat insane even aside from the
information leak issue. From the very beginning (and that beginning is
a long time ago: 2.3.52 was released in March 2000, I think), the code
had a comment saying
Later we can get more picky about what "in core" means precisely.
and this is that "later". Admittedly it is much later than is really
comfortable.
NOTE! This is a real semantic change, and it is for example known to
change the output of "fincore", since that program literally does a
mmmap without populating it, and then doing "mincore()" on that mapping
that doesn't actually have any pages in it.
I'm hoping that nobody actually has any workflow that cares, and the
info leak is real.
We may have to do something different if it turns out that people have
valid reasons to want the old semantics, and if we can limit the
information leak sanely.
Cc: Kevin Easton <kevin@guarana.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Masatake YAMATO <yamato@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg KH <gregkh@linuxfoundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 594cc251fdd0 ("make 'user_access_begin()' do 'access_ok()'")
broke both alpha and SH booting in qemu, as noticed by Guenter Roeck.
It turns out that the bug wasn't actually in that commit itself (which
would have been surprising: it was mostly a no-op), but in how the
addition of access_ok() to the strncpy_from_user() and strnlen_user()
functions now triggered the case where those functions would test the
access of the very last byte of the user address space.
The string functions actually did that user range test before too, but
they did it manually by just comparing against user_addr_max(). But
with user_access_begin() doing the check (using "access_ok()"), it now
exposed problems in the architecture implementations of that function.
For example, on alpha, the access_ok() helper macro looked like this:
#define __access_ok(addr, size) \
((get_fs().seg & (addr | size | (addr+size))) == 0)
and what it basically tests is of any of the high bits get set (the
USER_DS masking value is 0xfffffc0000000000).
And that's completely wrong for the "addr+size" check. Because it's
off-by-one for the case where we check to the very end of the user
address space, which is exactly what the strn*_user() functions do.
Why? Because "addr+size" will be exactly the size of the address space,
so trying to access the last byte of the user address space will fail
the __access_ok() check, even though it shouldn't. As a result, the
user string accessor functions failed consistently - because they
literally don't know how long the string is going to be, and the max
access is going to be that last byte of the user address space.
Side note: that alpha macro is buggy for another reason too - it re-uses
the arguments twice.
And SH has another version of almost the exact same bug:
#define __addr_ok(addr) \
((unsigned long __force)(addr) < current_thread_info()->addr_limit.seg)
so far so good: yes, a user address must be below the limit. But then:
#define __access_ok(addr, size) \
(__addr_ok((addr) + (size)))
is wrong with the exact same off-by-one case: the case when "addr+size"
is exactly _equal_ to the limit is actually perfectly fine (think "one
byte access at the last address of the user address space")
The SH version is actually seriously buggy in another way: it doesn't
actually check for overflow, even though it did copy the _comment_ that
talks about overflow.
So it turns out that both SH and alpha actually have completely buggy
implementations of access_ok(), but they happened to work in practice
(although the SH overflow one is a serious serious security bug, not
that anybody likely cares about SH security).
This fixes the problems by using a similar macro on both alpha and SH.
It isn't trying to be clever, the end address is based on this logic:
unsigned long __ao_end = __ao_a + __ao_b - !!__ao_b;
which basically says "add start and length, and then subtract one unless
the length was zero". We can't subtract one for a zero length, or we'd
just hit an underflow instead.
For a lot of access_ok() users the length is a constant, so this isn't
actually as expensive as it initially looks.
Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt
Pull fscrypt updates from Ted Ts'o:
"Add Adiantum support for fscrypt"
* tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
fscrypt: add Adiantum support
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 bug fixes from Ted Ts'o:
"Fix a number of ext4 bugs"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix special inode number checks in __ext4_iget()
ext4: track writeback errors using the generic tracking infrastructure
ext4: use ext4_write_inode() when fsyncing w/o a journal
ext4: avoid kernel warning when writing the superblock to a dead device
ext4: fix a potential fiemap/page fault deadlock w/ inline_data
ext4: make sure enough credits are reserved for dioread_nolock writes
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Pull dma-mapping fixes from Christoph Hellwig:
"Fix various regressions introduced in this cycles:
- fix dma-debug tracking for the map_page / map_single
consolidatation
- properly stub out DMA mapping symbols for !HAS_DMA builds to avoid
link failures
- fix AMD Gart direct mappings
- setup the dma address for no kernel mappings using the remap
allocator"
* tag 'dma-mapping-4.21-1' of git://git.infradead.org/users/hch/dma-mapping:
dma-direct: fix DMA_ATTR_NO_KERNEL_MAPPING for remapped allocations
x86/amd_gart: fix unmapping of non-GART mappings
dma-mapping: remove a few unused exports
dma-mapping: properly stub out the DMA API for !CONFIG_HAS_DMA
dma-mapping: remove dmam_{declare,release}_coherent_memory
dma-mapping: implement dmam_alloc_coherent using dmam_alloc_attrs
dma-mapping: implement dma_map_single_attrs using dma_map_page_attrs
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git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform
Pull chrome platform updates from Benson Leung:
- Changes for EC_MKBP_EVENT_SENSOR_FIFO handling.
- Also, maintainership changes. Olofj out, Enric balletbo in.
* tag 'tag-chrome-platform-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform:
MAINTAINERS: add maintainers for ChromeOS EC sub-drivers
MAINTAINERS: platform/chrome: Add Enric as a maintainer
MAINTAINERS: platform/chrome: remove myself as maintainer
platform/chrome: don't report EC_MKBP_EVENT_SENSOR_FIFO as wakeup
platform/chrome: straighten out cros_ec_get_{next,host}_event() error codes
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Pull hwspinlock updates from Bjorn Andersson:
"This adds support for the hardware semaphores found in STM32MP1"
* tag 'hwlock-v4.21' of git://github.com/andersson/remoteproc:
hwspinlock: fix return value check in stm32_hwspinlock_probe()
hwspinlock: add STM32 hwspinlock device
dt-bindings: hwlock: Document STM32 hwspinlock bindings
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Add support for the Adiantum encryption mode to fscrypt. Adiantum is a
tweakable, length-preserving encryption mode with security provably
reducible to that of XChaCha12 and AES-256, subject to a security bound.
It's also a true wide-block mode, unlike XTS. See the paper
"Adiantum: length-preserving encryption for entry-level processors"
(https://eprint.iacr.org/2018/720.pdf) for more details. Also see
commit 059c2a4d8e16 ("crypto: adiantum - add Adiantum support").
On sufficiently long messages, Adiantum's bottlenecks are XChaCha12 and
the NH hash function. These algorithms are fast even on processors
without dedicated crypto instructions. Adiantum makes it feasible to
enable storage encryption on low-end mobile devices that lack AES
instructions; currently such devices are unencrypted. On ARM Cortex-A7,
on 4096-byte messages Adiantum encryption is about 4 times faster than
AES-256-XTS encryption; decryption is about 5 times faster.
In fscrypt, Adiantum is suitable for encrypting both file contents and
names. With filenames, it fixes a known weakness: when two filenames in
a directory share a common prefix of >= 16 bytes, with CTS-CBC their
encrypted filenames share a common prefix too, leaking information.
Adiantum does not have this problem.
Since Adiantum also accepts long tweaks (IVs), it's also safe to use the
master key directly for Adiantum encryption rather than deriving
per-file keys, provided that the per-file nonce is included in the IVs
and the master key isn't used for any other encryption mode. This
configuration saves memory and improves performance. A new fscrypt
policy flag is added to allow users to opt-in to this configuration.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Pull documentation fixes from Jonathan Corbet:
"A handful of late-arriving documentation fixes"
* tag 'docs-5.0-fixes' of git://git.lwn.net/linux:
doc: filesystems: fix bad references to nonexistent ext4.rst file
Documentation/admin-guide: update URL of LKML information link
Docs/kernel-api.rst: Remove blk-tag.c reference
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixlet from Stefan Richter:
"Remove an explicit dependency in Kconfig which is implied by another
dependency"
* tag 'firewire-update' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: Remove depends on HAS_DMA in case of platform dependency
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Pull block updates and fixes from Jens Axboe:
- Pulled in MD changes that Shaohua had queued up for 4.21.
Unfortunately we lost Shaohua late 2018, I'm sending these in on his
behalf.
- In conjunction with the above, I added a CREDITS entry for Shaoua.
- sunvdc queue restart fix (Ming)
* tag 'for-linus-20190104' of git://git.kernel.dk/linux-block:
Add CREDITS entry for Shaohua Li
block: sunvdc: don't run hw queue synchronously from irq context
md: fix raid10 hang issue caused by barrier
raid10: refactor common wait code from regular read/write request
md: remvoe redundant condition check
lib/raid6: add option to skip algo benchmarking
lib/raid6: sort algos in rough performance order
lib/raid6: check for assembler SSSE3 support
lib/raid6: avoid __attribute_const__ redefinition
lib/raid6: add missing include for raid6test
md: remove set but not used variable 'bi_rdev'
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Pull drm fixes from Dave Airlie:
"Happy New Year, just decloaking from leave to get some stuff from the
last week in before rc1:
core:
- two regression fixes for damage blob and atomic
i915 gvt:
- Some missed GVT fixes from the original pull
amdgpu:
- new PCI IDs
- SR-IOV fixes
- DC fixes
- Vega20 fixes"
* tag 'drm-next-2019-01-05' of git://anongit.freedesktop.org/drm/drm: (53 commits)
drm: Put damage blob when destroy plane state
drm: fix null pointer dereference on null state pointer
drm/amdgpu: Add new VegaM pci id
drm/ttm: Use drm_debug_printer for all ttm_bo_mem_space_debug output
drm/amdgpu: add Vega20 PSP ASD firmware loading
drm/amd/display: Fix MST dp_blank REG_WAIT timeout
drm/amd/display: validate extended dongle caps
drm/amd/display: Use div_u64 for flip timestamp ns to ms
drm/amdgpu/uvd:Change uvd ring name convention
drm/amd/powerplay: add Vega20 LCLK DPM level setting support
drm/amdgpu: print process info when job timeout
drm/amdgpu/nbio7.4: add hw bug workaround for vega20
drm/amdgpu/nbio6.1: add hw bug workaround for vega10/12
drm/amd/display: Optimize passive update planes.
drm/amd/display: verify lane status before exiting verify link cap
drm/amd/display: Fix bug with not updating VSP infoframe
drm/amd/display: Add retry to read ddc_clock pin
drm/amd/display: Don't skip link training for empty dongle
drm/amd/display: Wait edp HPD to high in detect_sink
drm/amd/display: fix surface update sequence
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Pull rdma fixes from Jason Gunthorpe:
"Over the break a few defects were found, so this is a -rc style pull
request of various small things that have been posted.
- An attempt to shorten RCU grace period driven delays showed crashes
during heavier testing, and has been entirely reverted
- A missed merge/rebase error between the advise_mr and ib_device_ops
series
- Some small static analysis driven fixes from Julia and Aditya
- Missed ability to create a XRC_INI in the devx verbs interop
series"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
infiniband/qedr: Potential null ptr dereference of qp
infiniband: bnxt_re: qplib: Check the return value of send_message
IB/ipoib: drop useless LIST_HEAD
IB/core: Add advise_mr to the list of known ops
Revert "IB/mlx5: Fix long EEH recover time with NVMe offloads"
IB/mlx5: Allow XRC INI usage via verbs in DEVX context
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Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"This time the pull request is really small.
The most notable changes are fixing fbcon to not cause crash on
unregister_framebuffer() operation when there is more than one
framebuffer, adding config option to center the bootup logo and making
FB_BACKLIGHT config option tristate (which in turn uncovered incorrect
FB_BACKLIGHT usage by DRM's nouveau driver).
Summary:
- fix fbcon to not cause crash on unregister_framebuffer() when there
is more than one framebuffer (Noralf Trønnes)
- improve support for small rotated displays (Peter Rosin)
- fix probe failure handling in udlfb driver (Dan Carpenter)
- add config option to center the bootup logo (Peter Rosin)
- make FB_BACKLIGHT config option tristate (Rob Clark)
- remove superfluous HAS_DMA dependency for goldfishfb driver (Geert
Uytterhoeven)
- misc fixes (Alexey Khoroshilov, YueHaibing, Colin Ian King, Lubomir
Rintel)
- misc cleanups (Yangtao Li, Wen Yang)
also there is DRM's nouveau driver fix for wrong FB_BACKLIGHT config
option usage (FB_BACKLIGHT is for internal fbdev subsystem use only)"
* tag 'fbdev-v4.21' of git://github.com/bzolnier/linux:
drm/nouveau: fix incorrect FB_BACKLIGHT usage in Kconfig
fbdev: fbcon: Fix unregister crash when more than one framebuffer
fbdev: Remove depends on HAS_DMA in case of platform dependency
pxa168fb: trivial typo fix
fbdev: fsl-diu: remove redundant null check on cmap
fbdev: omap2: omapfb: convert to DEFINE_SHOW_ATTRIBUTE
fbdev: uvesafb: fix spelling mistake "memoery" -> "memory"
fbdev: fbmem: add config option to center the bootup logo
fbdev: fbmem: make fb_show_logo_line return the end instead of the height
video: fbdev: pxafb: Fix "WARNING: invalid free of devm_ allocated data"
fbdev: fbmem: behave better with small rotated displays and many CPUs
video: clps711x-fb: release disp device node in probe()
fbdev: make FB_BACKLIGHT a tristate
udlfb: fix some inconsistent NULL checking
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"I2C has only driver updates for you this time.
Mostly new IDs/DT compatibles, also SPDX conversions, small cleanups.
STM32F7 got FastMode+ and PM support, Axxia some reliabilty
improvements"
* 'i2c/for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (26 commits)
i2c: Add Actions Semiconductor Owl family S700 I2C support
dt-bindings: i2c: Add S700 support for Actions Semi Soc's
i2c: ismt: Add support for Intel Cedar Fork
i2c: tegra: Switch to SPDX identifier
i2c: tegra: Add missing kerneldoc for some fields
i2c: tegra: Cleanup kerneldoc comments
i2c: axxia: support sequence command mode
dt-bindings: i2c: rcar: Add r8a774c0 support
dt-bindings: i2c: sh_mobile: Add r8a774c0 support
i2c: sh_mobile: Add support for r8a774c0 (RZ/G2E)
i2c: i2c-cros-ec-tunnel: Switch to SPDX identifier.
i2c: powermac: Use of_node_name_eq for node name comparisons
i2c-axxia: check for error conditions first
i2c-axxia: dedicated function to set client addr
dt-bindings: i2c: Use correct vendor prefix for Atmel
i2c: tegra: replace spin_lock_irqsave with spin_lock in ISR
eeprom: at24: add support for 24c2048
dt-bindings: eeprom: at24: add "atmel,24c2048" compatible string
i2c: i2c-stm32f7: add PM Runtime support
i2c: sh_mobile: add support for r8a77990 (R-Car E3)
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- Remove unused lists from ASPM pcie_link_state (Frederick Lawler)
- Fix Broadcom CNB20LE host bridge unintended sign extension (Colin Ian
King)
- Expand Kconfig "PF" acronyms (Randy Dunlap)
- Update MAINTAINERS for arch/x86/kernel/early-quirks.c (Bjorn Helgaas)
- Add missing include to drivers/pci.h (Alexandru Gagniuc)
- Override Synopsys USB 3.x HAPS device class so dwc3-haps can claim it
instead of xhci (Thinh Nguyen)
- Clean up P2PDMA documentation (Randy Dunlap)
- Allow runtime PM even if driver doesn't supply callbacks (Jarkko
Nikula)
- Remove status check after submitting Switchtec MRPC Firmware Download
commands to avoid Completion Timeouts (Kelvin Cao)
- Set Switchtec coherent DMA mask to allow 64-bit DMA (Boris Glimcher)
- Fix Switchtec SWITCHTEC_IOCTL_EVENT_IDX_ALL flag overwrite issue
(Joey Zhang)
- Enable write combining for Switchtec MRPC Input buffers (Kelvin Cao)
- Add Switchtec MRPC DMA mode support (Wesley Sheng)
- Skip VF scanning on powerpc, which does this in firmware (Sebastian
Ott)
- Add Amlogic Meson PCIe controller driver and DT bindings (Yue Wang)
- Constify histb dw_pcie_host_ops structure (Julia Lawall)
- Support multiple power domains for imx6 (Leonard Crestez)
- Constify layerscape driver data (Stefan Agner)
- Update imx6 Kconfig to allow imx6 PCIe in imx7 kernel (Trent Piepho)
- Support armada8k GPIO reset (Baruch Siach)
- Support suspend/resume support on imx6 (Leonard Crestez)
- Don't hard-code DesignWare DBI/ATU offst (Stephen Warren)
- Skip i.MX6 PHY setup on i.MX7D (Andrey Smirnov)
- Remove Jianguo Sun from HiSilicon STB maintainers (Lorenzo Pieralisi)
- Mask DesignWare interrupts instead of disabling them to avoid lost
interrupts (Marc Zyngier)
- Add locking when acking DesignWare interrupts (Marc Zyngier)
- Ack DesignWare interrupts in the proper callbacks (Marc Zyngier)
- Use devm resource parser in mediatek (Honghui Zhang)
- Remove unused mediatek "num-lanes" DT property (Honghui Zhang)
- Add UniPhier PCIe controller driver and DT bindings (Kunihiko
Hayashi)
- Enable MSI for imx6 downstream components (Richard Zhu)
* tag 'pci-v4.21-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (40 commits)
PCI: imx: Enable MSI from downstream components
s390/pci: skip VF scanning
PCI/IOV: Add flag so platforms can skip VF scanning
PCI/IOV: Factor out sriov_add_vfs()
PCI: uniphier: Add UniPhier PCIe host controller support
dt-bindings: PCI: Add UniPhier PCIe host controller description
PCI: amlogic: Add the Amlogic Meson PCIe controller driver
dt-bindings: PCI: meson: add DT bindings for Amlogic Meson PCIe controller
arm64: dts: mt7622: Remove un-used property for PCIe
arm: dts: mt7623: Remove un-used property for PCIe
dt-bindings: PCI: MediaTek: Remove un-used property
PCI: mediatek: Remove un-used variant in struct mtk_pcie_port
MAINTAINERS: Remove Jianguo Sun from HiSilicon STB DWC entry
PCI: dwc: Don't hard-code DBI/ATU offset
PCI: imx: Add imx6sx suspend/resume support
PCI: armada8k: Add support for gpio controlled reset signal
PCI: dwc: Adjust Kconfig to allow IMX6 PCIe host on IMX7
PCI: dwc: layerscape: Constify driver data
PCI: imx: Add multi-pd support
PCI: Override Synopsys USB 3.x HAPS device class
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