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There is a spelling mistake on the documentation. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Referencing device tree nodes from a property allows to pass arguments.
This is for example used for referencing gpios. This looks as follows:
gpio_ctrl: gpio-controller {
#gpio-cells = <2>
...
}
someothernode {
gpios = <&gpio_ctrl 5 0 &gpio_ctrl 3 0>;
...
}
To know the number of arguments this must be either fixed, or the
referenced node is checked for a $cells_name (here: "#gpio-cells")
property and with this information the start of the second reference can
be determined.
Currently regulators are referenced with no additional arguments. To
allow some optional arguments without having to change all referenced
nodes this change introduces a way to specify a default cell_count. So
when a phandle is parsed we check for the $cells_name property and use
it as before if present. If it is not present we fall back to
cells_count if non-negative and only fail if cells_count is smaller than
zero.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Rob Herring <robh@kernel.org>
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Currently of_for_each_phandle ignores the cell_count parameter when a
cells_name is given. I intend to change that and let the iterator fall
back to a non-negative cell_count if the cells_name property is missing
in the referenced node.
To not change how existing of_for_each_phandle's users iterate, fix them
to pass cell_count = -1 when also cells_name is given which yields the
expected behaviour with and without my change.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert Realtek SoC bindings to DT schema format using json-schema.
Andreas is the only author and we agreed in person on licensing to be
GPL2+/BSD.
Cc: "Andreas Färber" <afaerber@suse.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert Actions Semi SoC bindings to DT schema format using json-schema.
Cc: "Andreas Färber" <afaerber@suse.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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Correct spelling of "identifier".
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
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Add arm cpu type cortex-a55.
Signed-off-by: james.tai <james.tai@realtek.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Add "samsung,exynos5250-mali" binding.
Signed-off-by: Guillaume Gardet <guillaume.gardet@arm.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Move exit-latency-us explanation to exit-latency-us section.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Correct "constraints guarantees" to "constraint guarantees".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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The paragraph explains the use of wakup-delay, as defined above.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Replace abbreviations "eg" and "ie" by "e.g." resp. "i.e." for
consistency.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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The device-tree properties documentation-file specifies the property
"microchip,spi-present-mask" as required for MCP23SXX chips. However,
the device-tree-source example below it uses only "spi-present-mask".
Without "microchip," on the front, the driver will print "missing
spi-present-mask" when it initializes.
Update the device-tree example with the correct property-name.
Signed-off-by: Peter Vernia <peter.vernia@gmail.com>
Reviewed-by: Jan Kundrát <jan.kundrat@cesnet.cz>
Signed-off-by: Rob Herring <robh@kernel.org>
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Reading the description about when to use interrupts-extended leads some
developers to think that it shouldn't be used unless a device has
interrupts from more than one interrupt controller. This isn't true. We
should encourage devicetree writers to use this property in situations
where it isn't the inherited interrupt-parent so that we have less
properties in a DT node by virtue of not having to specify an
interrupt-parent and an interrupts property.
Reported-by: Alexandru M Stan <amstan@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert the Arm Utgard GPU binding to DT schema format.
'allwinner,sun8i-a23-mali' compatible was not documented, so add it.
The 'clocks' property is now required. This simplifies the schema as
effectively all the users require 'clocks' already and the upstream
driver requires clocks.
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert the Arm Bifrost GPU binding to DT schema format.
The 'clocks' property is now required. This simplifies the schema as
effectively all the users require 'clocks' already and the upstream
driver requires at least one clock.
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Rob Herring <robh@kernel.org>
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Convert the Arm Midgard GPU binding to DT schema format.
The 'clocks' property is now required. This simplifies the schema as
effectively all the users require 'clocks' already and the upstream
driver requires at least one clock.
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Rob Herring <robh@kernel.org>
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The Allwinner SoCs have an interrupt controller called NMI supported in
Linux, with a matching Device Tree binding.
Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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The Allwinner SoCs have an interrupt controller supported in Linux, with a
matching Device Tree binding.
Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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The local variable np in function of_unittest_platform_populate takes
the return value of of_find_node_by_path, which gets a node but does not
put it. If np is not put before return it may cause a memory leak. Hence
put np before a return statement.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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- The clock-lanes property is not needed for the sensors do not support
lane reordering. (The information possibly present in existing clock-lane
properties is simply not used.)
- There's no need to refer to the sensor device in the DT example, thus
remove the label.
- Rename the "camera" device node as "camera-sensor".
- Rename the endpoint label as "smiapp_ep" (was: "smiapp_1_1"). There is
in practice only one anyway.
- Remove the remote-endpoint documentation (it is covered by
graph.txt to which video-interfaces.txt refers to).
- Add a note on the port and endpoint nodes.
These changes make the smiapp bindings a better example.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Signed-off-by: John Wang <wangzqbj@inspur.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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This commit adds the device-tree documentation for the RNG IP on the
MediaTek MT8516 SoC.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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"Property" is misspelled, correct it.
Fixes: caf8975b97c1 ("dt-bindings: ata: update ahci_sunxi bindings")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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The ARM CPU DT bindings were converted from plain text to YAML, but not
all referrers were updated.
Fixes: 672951cbd1b70a9e ("dt-bindings: arm: Convert cpu binding to json-schema")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Kryo485 is found in SM8150, so add it it list of cpu compatibles
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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This is required to bring Mali450 gpu out of reset.
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: dri-devel@lists.freedesktop.org
Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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The reset driver now supports the ao reset controller, so update the
documentation to match.
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: dri-devel@lists.freedesktop.org
Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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The Hisilicon hi6220 uses a Mali-450MP4 with 4 PPs, so add
a compatible for it.
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: dri-devel@lists.freedesktop.org
Cc: devicetree@vger.kernel.org
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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The unit-address must match the first address specified in the
reg property of the node.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Diverged from what the code does with commit 530210c7814e ("of/irq: Replace
of_irq with of_phandle_args").
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Rob Herring <robh@kernel.org>
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The proper way to add additional contraints to an existing json-schema
is using 'allOf' to reference the base schema. Using just '$ref' doesn't
work. Fix this for the 'st,syscfg' property.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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It wasn't obvious that this was a command to run based on 'make help',
so add it to the top-level help for devicetree builds. Also, add an
example to the documentation to show that db_binding_check can be run
with DT_SCHEMA_FILES= to only check one schema file instead of all of
them.
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: <linux-kbuild@vger.kernel.org>
Cc: <devicetree@vger.kernel.org>
Cc: <linux-doc@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
[robh: fix-up due to .md to .rst conversion]
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic GXBB Watchdog timer over to a YAML schemas.
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic UART Serial controller over to a YAML schemas.
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic G12A USB3 + PCIE Combo PHY over to a YAML schemas.
While the original phy bindings specifies phy-supply as required,
the examples and implementations makes it optional, thus phy-supply
is not present in the properties and required lists.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic G12A USB2 PHY over to a YAML schemas.
While the original phy bindings specifies phy-supply as required,
the examples and implementations makes it optional, thus phy-supply
is not in the required list of attributes.
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic Always-On Secure Registers over to a YAML schemas.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic Reset controller over to a YAML schemas.
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic SPI controllers over to two separate YAML schemas.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic Random Number generator over to a YAML schemas.
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic MHU controller over to a YAML schemas.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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The documentation standard is ReST and not markdown.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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The older Allwinner SoCs have a crypto engine that is supported in Linux,
with a matching Device Tree binding.
Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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The Allwinner SoCs using the second generation of the display engine have a
bus for that display engine. The bus is supported in Linux, with a matching
Device Tree binding.
Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
[robh: add 'type: object' for child nodes]
Signed-off-by: Rob Herring <robh@kernel.org>
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The Allwinner SoCs have an LRADC used to report keys and supported in
Linux, with a matching Device Tree binding.
Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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fec's gpio phy reset properties have been deprecated.
Update the dt-bindings documentation to explicitly mark
them as such, and provide a short description of the
recommended alternative.
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Each iteration of for_each_child_of_node puts the previous node, but in
the case of a return or break from the middle of the loop, there is no
put, thus causing a memory leak. Hence add an of_node_put before the
return or break in three places.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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