| Commit message (Collapse) | Author | Age | Files | Lines |
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ARM TF-A reports compatibility with PSCI v1.1 since v1.5. Upstream
ARM TF-A support for STM32MP was introduced with v1.6.
It's thus safe to assume that the STM32MP barebox will never have to
interact with a secure monitor implementing PSCI v0.1.
Overwrite the psci device tree compatible to specify v0.2. This is the
first version that implements PSCI_VERSION, which allows the barebox
psci client driver selected in this commit to query the actual PSCI
version and fix it up into the device tree.
This fixes an issue where resetting via PSCI fails in Linux because the
upstream device tree compatible:
reboot: Restarting system
Reboot failed -- System halted
Reported-by: Michael Olbrich <mol@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We'll probably be using compressed DTBs for all new boards as well, thus
move the ARM_USE_COMPRESSED_DTB, so it's always selected for STM32MP.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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System reset on the STM32MP may be done via PSCI when running TF-A
as first-stage boot loader. Provide a PSCI driver to simplify using it:
- A psci_invoke function is exported, so other code can use it
- A fixup for the PSCI device tree node is registered
- A reset and poweroff handler via PSCI is registered for PSCI >= v0.2
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The smc command has a help defined, but unused. Wire it in, so
help smc and smc -invalidoption work as expected.
While at it, remove the unimplemented -z option. It's unneeded,
because -c turns off the CPU after starting it again already.
Also it seems it's not implementable without interprocessor communication,
which is probably overkill here.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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There's already an option to use when debugging PSCI. Instead of
requiring users to #define DEBUG 1 as well, have the smc command be
usable when CONFIG_ARM_PSCI_DEBUG, not DEBUG is defined.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For more usability, translate CPU_ON error codes into the error
descriptions found in the PSCI Platform Design Document[1].
[1]: http://infocenter.arm.com/help/topic/com.arm.doc.den0022d/Power_State_Coordination_Interface_PDD_v1_1_DEN0022D.pdf
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The STPMIC1 is the ST Microelectronics PMIC designed for use with
STM32MP. Enable it and its cell drivers by default in the defconfig.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This node has so far been unused and is a remnant from when the stm32mp
device drivers weren't completely upstream yet. Drop the node.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This commit imports the Linux v5.3 state of the driver. This allows us
to regulate at least the v3v3 voltage rail used by the DK1 and DK2
Ethernet PHY and SD-Card. Eventually, this driver should be used by the
USB host driver to supply the vbus voltage as well.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When we call regmap_init, the regmap is associated with the device
supplied and can be queried with dev_get_regmap. This is more natural
than expecting cell drivers to cast dev->parent->priv. Do it.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The incoming stpmic1 regulator driver makes use of these helpers
internally. Thus port them out of Linux v5.3.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Linux regulator drivers like the pfuze and the incoming stpmic make use
of of_regulator_match to parse regulator init data from the device tree.
Port the function over from Linux v5.3, so drivers depending on it can
follow.
As we have no use in barebox for power saving and suspend states, these
parts are omitted.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This imports the regulator_desc documentation for the fields barebox
uses out of Linux v5.4-rc1.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The evaluation kits have 2P DIP-Switches for boot mode selection.
Document them.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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With SD/MMC controller and Ethernet MAC support merged, we now have
usable STM32MP support. Remove the text that suggested otherwise.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We've had some new drivers added for the STM32MP since the defconfig was
first added. Include the newcomers.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The U-Boot dwc_eth_qos driver ported in the previous commit had support
for both the Tegra 186/194 and STM32MP variants of the EQOS IP.
The barebox Tegra supported doesn't include the 186, but as the driver
was nevertheless ported along with the rest, lets include it in the
source tree.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We already have Designware NIC support in barebox, but for the DWMAC1000,
the DWMAC4 (also called GMAC4), no support was mainline so far.
The DWMAC4 is different enough that sharing code with the DWMAC1000 is
not really that helpful, because even basics like MDIO registers have
different layout. Instead of coding bit masks and shifts into the driver
data, like Linux does, we'll keep both driver kinds separate.
Nevertheless, we collect functions that are not SoC-specific into a
separate 'library' file.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Now with the SD/MMC controller supported, lets add a bbu handler, so we
can use it to update the second stage boot loader partition.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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mci_of_parse takes care of the generic oftree bits, like removable flag,
aliases and max-frequency. Insert it, so we can start to refer to the
controller's block devices by a fixed name.
Sticking in the mci_of_parse shows that the SD/MMC2 driver in barebox
doesn't play nicely with the device tree specification of the SD/MMC2
for the dk2 board, however:
Specifying the bus-width = <4> property in the device tree now made mmc
usage fail when reading the environment:
ERROR: error SDMMC_STA_DCRCFAIL (0x81042) for cmd 18
ERROR: stm32_sdmmc2_end_cmd: error SDMMC_STA_CTIMEOUT (0x4) for cmd 12
WARNING: stm32_sdmmc2_send_cmd: cmd 12 failed, retrying ...
ERROR: stm32_sdmmc2_end_cmd: error SDMMC_STA_CTIMEOUT (0x4) for cmd 12
WARNING: stm32_sdmmc2_send_cmd: cmd 12 failed, retrying ...
ERROR: stm32_sdmmc2_end_cmd: error SDMMC_STA_CTIMEOUT (0x4) for cmd 12
WARNING: stm32_sdmmc2_send_cmd: cmd 12 failed, retrying ...
ERROR: stm32_sdmmc2_end_cmd: error SDMMC_STA_CTIMEOUT (0x4) for cmd 12
We'll want to fix this eventually, but for now force the bus width to 1.
So we don't forget about this, print a notice to the console that we've
done so.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The BSEC OTP holds information about SoC type and package.
The Tamp registers hold information from the BootROM about boot
source. Add support for both.
Additionally, the tamp registers can also hold a request from the
operating system about what mode to enter after boot, e.g.
boot-into-recovery. A global function is exported for this, but
unused so far.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The bsec on the STM32MP157C provides a 380 byte OTP. Add initial support
for reading and writing the shadow copy of the fuses. Direct fuse
access is not yet supported.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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ARM_SMCCC compiles in the code for issuing ARM secure monitor calls.
We need those on the STM32MP, because barebox runs in non-secure mode
and does some operations like reading the BSEC OTP through SMCs.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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At least to me, the difference between these options were confusing at
first. Clear this up.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The bindings allow the pinmux node to occur directly in the node under
the pin controller as well. Check for this and support both types of
pinctrl specification.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The SoC's pin controller is virtually always built and probed, so
there's is little information to gain from the fact it was successfully
probed. Have the success message show up as debug message to reduce probe
clutter like this:
NOTICE: stm32-pinctrl soc:pin-controller@50002000.of: pinctrl/gpio driver registered
NOTICE: stm32-pinctrl soc:pin-controller-z@54004000.of: pinctrl/gpio driver registered
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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mode and alt are printed with the dev_dbg before they are initialized.
Remedy this by moving the dev_dbg after them.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This driver was ported from u-boot v2019.10.
Instead of devicetree compatible it is using ARM AMBA id. So, there is
no need to patch devicetree with different compatible as it was
implemented in u-boot.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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It is needed for mci/sd/mmc driver.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Many STM32 peripherals, including I2C, SPI, USB and SDMMC use the RCC
reset controller for reset. Enable ARCH_HAS_RESET_CONTROLLER, so drivers
depending on RESET_CONTROLLER become available for selection.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The TXEMPTY bit gets set as soon as the transmit FIFO gets empty, so
flushing must wait until the bit is set instead of being unset.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Not all architectures are referencing the image_end section from
code, in which case the linker is free to drop the section, which
then messes up the calculation of the _barebox_image_size linker
variable.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We need to go to parent's private data to get a pointer to struct
rave_sp. Fix that.
Fixes: 493e2ee38f ("ARM: zii-common: add support for switch reset on RDU1")
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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this error happens in sandbox with simple console, sandbox
has ARCH_HAS_CTRLC enabled by default
$ make sandbox_defconfig
$ make menuconfig
(select CONFIG_SHELL_SIMPLE)
$ make
LD barebox
common/built-in.o: In function `__pr_memory_display':
/home/du/source/barebox/common/memory_display.c:117: undefined reference to `ctrlc'
common/built-in.o: In function `run_init':
/home/du/source/barebox/common/startup.c:317: undefined reference to `console_ctrlc_allow'
common/built-in.o: In function `parse_stream_outer':
/home/du/source/barebox/common/hush.c:1742: undefined reference to `ctrlc'
common/built-in.o: In function `run_list_real':
/home/du/source/barebox/common/hush.c:895: undefined reference to `ctrlc'
common/built-in.o: In function `run_shell':
/home/du/source/barebox/common/hush.c:1940: undefined reference to `ctrlc_handled'
Signed-off-by: DU HUANPENG <u74147@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This reverts a hunk I missed after a rebase:
A previous commit restricts ARCH_BAREBOX_MAX_BARE_INIT to only
non-multi-image boards, so no need to touch it to be compatible
with the new multi-image changes.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Change USB port scanning procedure and timeout handling in the
following ways:
1)
The power-on delay in usb_hub_power_on() is now reduced to a value of
max(100ms, "hub->desc.bPwrOn2PwrGood * 2"). The code does not wait
using mdelay, instead usb_hub_power_on() will wait before querying
the device in the scanning loop later. The total connection timeout for
this hub, which is (1 second + hub->desc.bPwrOn2PwrGood * 2) is
calculated and will be used in the following per-port scanning loop as
the timeout to detect active USB devices on this hub.
2)
Don't delay the minimum delay (for power to stabilize) in
usb_hub_power_on(). Instead skip querying these devices in the scanning
loop usb_scan_port() until the delay time is reached.
3)
The ports are now scanned in a quasi parallel way. The current code did
wait for each (unconnected) port to reach its timeout and only then
continue with the next port. This patch now changes this to scan all
ports of all USB hubs quasi simultaneously. For this, all ports are added
to a scanning list in usb_hub_configure_ports(). The list is later scanned
in usb_device_list_scan() until all ports are ready by either a) reaching
the connection timeout (calculated earlier), or by b) detecting a USB
device. This results in a faster USB scan time as the recursive scanning
of USB hubs connected to the hub that's currently being scanned will
start earlier.
4)
Ports with overcurrent detection will get scanned multiple times if OC
condition is detected (PORT_OVERCURRENT_MAX_SCAN_COUNT).
Without patch:
$ time usb
usb: USB: scanning bus for devices...
usb: 17 USB Device(s) found
time: 10344ms
With patch:
$ time usb
usb: USB: scanning bus for devices...
usb: 17 USB Device(s) found
time: 4529ms
Delta: ~6 seconds
Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Remove two mdelay(200) calls from usb_hub_port_connect_change() before
and after calling hub_port_reset().
These delays don't seem to be necessary since hub_port_reset() already
incorporates delays on its own.
Without patch:
$ time usb
usb: USB: scanning bus for devices...
usb: 17 USB Device(s) found
time: 16355ms
With patch:
$ time usb
usb: USB: scanning bus for devices...
usb: 17 USB Device(s) found
time: 10344ms
Delta: ~6 seconds
Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Start with a short USB hub reset delay of 20ms. This can be enough for
some configurations. Switch to longer reset delay only if the short
delay hasn't been long enough.
This USB hub reset handling strategy is also used in the Linux kernel
USB hub driver, function hub_port_reset().
Without patch:
$ time usb
usb: USB: scanning bus for devices...
usb: 17 USB Device(s) found
time: 21750ms
With patch:
$ time usb
usb: USB: scanning bus for devices...
usb: 17 USB Device(s) found
time: 16355ms
Delta: ~5.5 seconds
Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The compiled-in keys can be retrieved with rsa_get_key(). Try to use
them first before falling back to looking up the keys in the device
tree.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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So far we relied on the U-Boot mkimage tool to generate us device tree
snippets containing rsa public keys which we then compiled into barebox.
Make this easier and allow to directly specify a filename or PKCS#11 URI
in Kconfig. With this we no longer need the U-Boot mkimage tool here and
no more external steps to prepare device tree snippets.
With this rsa public keys can be directly compiled as C structs into
barebox which is much more direct than putting it into the device tree.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Until now rsa_of_read_key() took a pointer to a key and filled the
struct rsa_public_key members with allocated values. So far we have
never freed these values. Change rsa_of_read_key() to always return
a fully allocated key and provide rsa_key_free() to free it. Let the
FIT image code free the key after usage.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The rsatoc tool converts rsa public keys into C structs suitable to
compile with barebox. Most of the openssl rsa related stuff has been
taken from the U-Boot mkimage tool.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The config_filename allows to extract a filename from a Kconfig string
option.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have many different pointer arrays which we put into linker sections
and each time there's one added we have to adjust all linker scripts.
This adds a common RO_DATA_SECTION define and uses it for all
architectures. This makes it easier to add a new linker array.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The alignment in the DTB and clk_of_table shouldn't be needed. Remove
them.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
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We do not seem to need all these alignments in the rodata sections, so
remove them.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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No need to repeat the pci fixup sections in each linker script. Add a
define for it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For the older section defines we specify the start and end addresses
outside the macro which means we have to repeat them in each linker
script. Make the start/end addresses part of the define to simplify
things. While at it, add a BAREBOX_ prefix to the INITCALLS and EXITCALLS
macros for consistency to the other defines.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
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