* ARM: dts: imx6: enable OTG on wandboard and riotboard
@ 2018-05-26 18:30 ` Alexander Kurz
0 siblings, 0 replies; 12+ messages in thread
From: Alexander Kurz @ 2018-05-26 18:30 UTC (permalink / raw)
To: Shawn Guo; +Cc: Fabio Estevam, devicetree, linux-arm-kernel
Both boards wandboard and riotboard feature an USB OTG connector.
Change the DT regulator nodes to match the convention, fix the
GPIO regulator polatity for the riotboard and add enable OTG
including the regulator infrastructure on the riotboard.
^ permalink raw reply [flat|nested] 12+ messages in thread
* ARM: dts: imx6: enable OTG on wandboard and riotboard
@ 2018-05-26 18:30 ` Alexander Kurz
0 siblings, 0 replies; 12+ messages in thread
From: Alexander Kurz @ 2018-05-26 18:30 UTC (permalink / raw)
To: linux-arm-kernel
Both boards wandboard and riotboard feature an USB OTG connector.
Change the DT regulator nodes to match the convention, fix the
GPIO regulator polatity for the riotboard and add enable OTG
including the regulator infrastructure on the riotboard.
^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 1/3] ARM: dts: imx6 wandboard and riotboard: remove regulators bus node
2018-05-26 18:30 ` Alexander Kurz
@ 2018-05-26 18:30 ` Alexander Kurz
-1 siblings, 0 replies; 12+ messages in thread
From: Alexander Kurz @ 2018-05-26 18:30 UTC (permalink / raw)
To: Shawn Guo; +Cc: Fabio Estevam, devicetree, Alexander Kurz, linux-arm-kernel
To match the convention, move regulator-fixed nodes directly into
the root node.
Signed-off-by: Alexander Kurz <akurz@blala.de>
---
arch/arm/boot/dts/imx6dl-riotboard.dts | 55 +++++++++++++-------------------
arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 40 ++++++++++-------------
2 files changed, 39 insertions(+), 56 deletions(-)
diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts
index 2e98c92adff7..a52e05934e3a 100644
--- a/arch/arm/boot/dts/imx6dl-riotboard.dts
+++ b/arch/arm/boot/dts/imx6dl-riotboard.dts
@@ -19,38 +19,6 @@
reg = <0x10000000 0x40000000>;
};
- regulators {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <0>;
-
- reg_2p5v: regulator@0 {
- compatible = "regulator-fixed";
- reg = <0>;
- regulator-name = "2P5V";
- regulator-min-microvolt = <2500000>;
- regulator-max-microvolt = <2500000>;
- };
-
- reg_3p3v: regulator@1 {
- compatible = "regulator-fixed";
- reg = <1>;
- regulator-name = "3P3V";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- };
-
- reg_usb_otg_vbus: regulator@2 {
- compatible = "regulator-fixed";
- reg = <2>;
- regulator-name = "usb_otg_vbus";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
- gpio = <&gpio3 22 0>;
- enable-active-high;
- };
- };
-
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -82,6 +50,29 @@
mux-int-port = <1>;
mux-ext-port = <3>;
};
+
+ reg_2p5v: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "2P5V";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ };
+
+ reg_3p3v: fixedregulator@1 {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reg_usb_otg_vbus: fixedregulator@2 {
+ compatible = "regulator-fixed";
+ regulator-name = "usb_otg_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio3 22 0>;
+ enable-active-high;
+ };
};
&audmux {
diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
index ed96d7b5feab..ff7e824dfd28 100644
--- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
@@ -12,30 +12,6 @@
#include <dt-bindings/gpio/gpio.h>
/ {
- regulators {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <0>;
-
- reg_2p5v: regulator@0 {
- compatible = "regulator-fixed";
- reg = <0>;
- regulator-name = "2P5V";
- regulator-min-microvolt = <2500000>;
- regulator-max-microvolt = <2500000>;
- regulator-always-on;
- };
-
- reg_3p3v: regulator@1 {
- compatible = "regulator-fixed";
- reg = <1>;
- regulator-name = "3P3V";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- regulator-always-on;
- };
- };
-
sound {
compatible = "fsl,imx6-wandboard-sgtl5000",
"fsl,imx-audio-sgtl5000";
@@ -56,6 +32,22 @@
spdif-controller = <&spdif>;
spdif-out;
};
+
+ reg_2p5v: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "2P5V";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+ };
+
+ reg_3p3v: fixedregulator@1 {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
};
&audmux {
--
2.11.0
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 1/3] ARM: dts: imx6 wandboard and riotboard: remove regulators bus node
@ 2018-05-26 18:30 ` Alexander Kurz
0 siblings, 0 replies; 12+ messages in thread
From: Alexander Kurz @ 2018-05-26 18:30 UTC (permalink / raw)
To: linux-arm-kernel
To match the convention, move regulator-fixed nodes directly into
the root node.
Signed-off-by: Alexander Kurz <akurz@blala.de>
---
arch/arm/boot/dts/imx6dl-riotboard.dts | 55 +++++++++++++-------------------
arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 40 ++++++++++-------------
2 files changed, 39 insertions(+), 56 deletions(-)
diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts
index 2e98c92adff7..a52e05934e3a 100644
--- a/arch/arm/boot/dts/imx6dl-riotboard.dts
+++ b/arch/arm/boot/dts/imx6dl-riotboard.dts
@@ -19,38 +19,6 @@
reg = <0x10000000 0x40000000>;
};
- regulators {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <0>;
-
- reg_2p5v: regulator at 0 {
- compatible = "regulator-fixed";
- reg = <0>;
- regulator-name = "2P5V";
- regulator-min-microvolt = <2500000>;
- regulator-max-microvolt = <2500000>;
- };
-
- reg_3p3v: regulator at 1 {
- compatible = "regulator-fixed";
- reg = <1>;
- regulator-name = "3P3V";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- };
-
- reg_usb_otg_vbus: regulator at 2 {
- compatible = "regulator-fixed";
- reg = <2>;
- regulator-name = "usb_otg_vbus";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
- gpio = <&gpio3 22 0>;
- enable-active-high;
- };
- };
-
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -82,6 +50,29 @@
mux-int-port = <1>;
mux-ext-port = <3>;
};
+
+ reg_2p5v: fixedregulator at 0 {
+ compatible = "regulator-fixed";
+ regulator-name = "2P5V";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ };
+
+ reg_3p3v: fixedregulator at 1 {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reg_usb_otg_vbus: fixedregulator at 2 {
+ compatible = "regulator-fixed";
+ regulator-name = "usb_otg_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio3 22 0>;
+ enable-active-high;
+ };
};
&audmux {
diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
index ed96d7b5feab..ff7e824dfd28 100644
--- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
@@ -12,30 +12,6 @@
#include <dt-bindings/gpio/gpio.h>
/ {
- regulators {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <0>;
-
- reg_2p5v: regulator at 0 {
- compatible = "regulator-fixed";
- reg = <0>;
- regulator-name = "2P5V";
- regulator-min-microvolt = <2500000>;
- regulator-max-microvolt = <2500000>;
- regulator-always-on;
- };
-
- reg_3p3v: regulator at 1 {
- compatible = "regulator-fixed";
- reg = <1>;
- regulator-name = "3P3V";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- regulator-always-on;
- };
- };
-
sound {
compatible = "fsl,imx6-wandboard-sgtl5000",
"fsl,imx-audio-sgtl5000";
@@ -56,6 +32,22 @@
spdif-controller = <&spdif>;
spdif-out;
};
+
+ reg_2p5v: fixedregulator at 0 {
+ compatible = "regulator-fixed";
+ regulator-name = "2P5V";
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ regulator-always-on;
+ };
+
+ reg_3p3v: fixedregulator at 1 {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
};
&audmux {
--
2.11.0
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 2/3] ARM: dts: imx6qdl-wandboard: enable USB OTG
2018-05-26 18:30 ` Alexander Kurz
@ 2018-05-26 18:30 ` Alexander Kurz
-1 siblings, 0 replies; 12+ messages in thread
From: Alexander Kurz @ 2018-05-26 18:30 UTC (permalink / raw)
To: Shawn Guo; +Cc: Fabio Estevam, devicetree, Alexander Kurz, linux-arm-kernel
Enable USB OTG (dual-role) on the Wandboard.
Note, that the USB_OTG_VBUS current is quite limited due to a 22R resistor
in the power line. Hence, the overcurrent signal of 1A will never be
triggered on this board.
Signed-off-by: Alexander Kurz <akurz@blala.de>
---
arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
index ff7e824dfd28..4ac8ee355c42 100644
--- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
@@ -48,6 +48,16 @@
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
+
+ reg_usb_otg_vbus: fixedregulator@2 {
+ compatible = "regulator-fixed";
+ regulator-name = "usb_otg_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbotgvbus>;
+ gpio = <&gpio3 22 GPIO_ACTIVE_LOW>;
+ };
};
&audmux {
@@ -162,6 +172,12 @@
>;
};
+ pinctrl_usbotgvbus: usbotgvbusgrp {
+ fsl,pins = <
+ MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x130b0
+ >;
+ };
+
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059
@@ -236,10 +252,11 @@
};
&usbotg {
+ vbus-supply = <®_usb_otg_vbus>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbotg>;
disable-over-current;
- dr_mode = "peripheral";
+ dr_mode = "otg";
status = "okay";
};
--
2.11.0
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 2/3] ARM: dts: imx6qdl-wandboard: enable USB OTG
@ 2018-05-26 18:30 ` Alexander Kurz
0 siblings, 0 replies; 12+ messages in thread
From: Alexander Kurz @ 2018-05-26 18:30 UTC (permalink / raw)
To: linux-arm-kernel
Enable USB OTG (dual-role) on the Wandboard.
Note, that the USB_OTG_VBUS current is quite limited due to a 22R resistor
in the power line. Hence, the overcurrent signal of 1A will never be
triggered on this board.
Signed-off-by: Alexander Kurz <akurz@blala.de>
---
arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
index ff7e824dfd28..4ac8ee355c42 100644
--- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
@@ -48,6 +48,16 @@
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
+
+ reg_usb_otg_vbus: fixedregulator at 2 {
+ compatible = "regulator-fixed";
+ regulator-name = "usb_otg_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbotgvbus>;
+ gpio = <&gpio3 22 GPIO_ACTIVE_LOW>;
+ };
};
&audmux {
@@ -162,6 +172,12 @@
>;
};
+ pinctrl_usbotgvbus: usbotgvbusgrp {
+ fsl,pins = <
+ MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x130b0
+ >;
+ };
+
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059
@@ -236,10 +252,11 @@
};
&usbotg {
+ vbus-supply = <®_usb_otg_vbus>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbotg>;
disable-over-current;
- dr_mode = "peripheral";
+ dr_mode = "otg";
status = "okay";
};
--
2.11.0
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 3/3] ARM: dts: imx6dl-riotboard: fix OTG regulator polarity
2018-05-26 18:30 ` Alexander Kurz
@ 2018-05-26 18:30 ` Alexander Kurz
-1 siblings, 0 replies; 12+ messages in thread
From: Alexander Kurz @ 2018-05-26 18:30 UTC (permalink / raw)
To: Shawn Guo; +Cc: Fabio Estevam, devicetree, Alexander Kurz, linux-arm-kernel
USB OTG power is switched on when the GPIO is pulled low.
Signed-off-by: Alexander Kurz <akurz@blala.de>
---
arch/arm/boot/dts/imx6dl-riotboard.dts | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts
index a52e05934e3a..ef3b270c15e5 100644
--- a/arch/arm/boot/dts/imx6dl-riotboard.dts
+++ b/arch/arm/boot/dts/imx6dl-riotboard.dts
@@ -70,8 +70,7 @@
regulator-name = "usb_otg_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
- gpio = <&gpio3 22 0>;
- enable-active-high;
+ gpio = <&gpio3 22 GPIO_ACTIVE_LOW>;
};
};
--
2.11.0
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH 3/3] ARM: dts: imx6dl-riotboard: fix OTG regulator polarity
@ 2018-05-26 18:30 ` Alexander Kurz
0 siblings, 0 replies; 12+ messages in thread
From: Alexander Kurz @ 2018-05-26 18:30 UTC (permalink / raw)
To: linux-arm-kernel
USB OTG power is switched on when the GPIO is pulled low.
Signed-off-by: Alexander Kurz <akurz@blala.de>
---
arch/arm/boot/dts/imx6dl-riotboard.dts | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts
index a52e05934e3a..ef3b270c15e5 100644
--- a/arch/arm/boot/dts/imx6dl-riotboard.dts
+++ b/arch/arm/boot/dts/imx6dl-riotboard.dts
@@ -70,8 +70,7 @@
regulator-name = "usb_otg_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
- gpio = <&gpio3 22 0>;
- enable-active-high;
+ gpio = <&gpio3 22 GPIO_ACTIVE_LOW>;
};
};
--
2.11.0
^ permalink raw reply related [flat|nested] 12+ messages in thread
* Re: [PATCH 1/3] ARM: dts: imx6 wandboard and riotboard: remove regulators bus node
2018-05-26 18:30 ` Alexander Kurz
@ 2018-05-27 16:40 ` Fabio Estevam
-1 siblings, 0 replies; 12+ messages in thread
From: Fabio Estevam @ 2018-05-27 16:40 UTC (permalink / raw)
To: Alexander Kurz
Cc: Fabio Estevam,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
Shawn Guo,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
Hi Alexander,
[It would be better to split this patch in two: one for wandboard and
another one for riotboard]
On Sat, May 26, 2018 at 3:30 PM, Alexander Kurz <akurz@blala.de> wrote:
> +
> + reg_2p5v: fixedregulator@0 {
This causes dtc warnings with W=1 as you are passing a unit address
without a corresponding reg property.
You can rewrite this as:
reg_2p5v: regulator-2p5v {
Please follow this convention in the entire series.
Thanks
^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 1/3] ARM: dts: imx6 wandboard and riotboard: remove regulators bus node
@ 2018-05-27 16:40 ` Fabio Estevam
0 siblings, 0 replies; 12+ messages in thread
From: Fabio Estevam @ 2018-05-27 16:40 UTC (permalink / raw)
To: linux-arm-kernel
Hi Alexander,
[It would be better to split this patch in two: one for wandboard and
another one for riotboard]
On Sat, May 26, 2018 at 3:30 PM, Alexander Kurz <akurz@blala.de> wrote:
> +
> + reg_2p5v: fixedregulator at 0 {
This causes dtc warnings with W=1 as you are passing a unit address
without a corresponding reg property.
You can rewrite this as:
reg_2p5v: regulator-2p5v {
Please follow this convention in the entire series.
Thanks
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 1/3] ARM: dts: imx6 wandboard and riotboard: remove regulators bus node
2018-05-26 18:30 ` Alexander Kurz
@ 2018-05-28 0:56 ` Fabio Estevam
-1 siblings, 0 replies; 12+ messages in thread
From: Fabio Estevam @ 2018-05-28 0:56 UTC (permalink / raw)
To: Alexander Kurz
Cc: Fabio Estevam,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
Shawn Guo,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
On Sat, May 26, 2018 at 3:30 PM, Alexander Kurz <akurz@blala.de> wrote:
> + reg_usb_otg_vbus: fixedregulator@2 {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio3 22 0>;
Please use gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; instead.
> + enable-active-high;
^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 1/3] ARM: dts: imx6 wandboard and riotboard: remove regulators bus node
@ 2018-05-28 0:56 ` Fabio Estevam
0 siblings, 0 replies; 12+ messages in thread
From: Fabio Estevam @ 2018-05-28 0:56 UTC (permalink / raw)
To: linux-arm-kernel
On Sat, May 26, 2018 at 3:30 PM, Alexander Kurz <akurz@blala.de> wrote:
> + reg_usb_otg_vbus: fixedregulator at 2 {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio3 22 0>;
Please use gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; instead.
> + enable-active-high;
^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2018-05-28 0:56 UTC | newest]
Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-05-26 18:30 ARM: dts: imx6: enable OTG on wandboard and riotboard Alexander Kurz
2018-05-26 18:30 ` Alexander Kurz
2018-05-26 18:30 ` [PATCH 1/3] ARM: dts: imx6 wandboard and riotboard: remove regulators bus node Alexander Kurz
2018-05-26 18:30 ` Alexander Kurz
2018-05-27 16:40 ` Fabio Estevam
2018-05-27 16:40 ` Fabio Estevam
2018-05-28 0:56 ` Fabio Estevam
2018-05-28 0:56 ` Fabio Estevam
2018-05-26 18:30 ` [PATCH 2/3] ARM: dts: imx6qdl-wandboard: enable USB OTG Alexander Kurz
2018-05-26 18:30 ` Alexander Kurz
2018-05-26 18:30 ` [PATCH 3/3] ARM: dts: imx6dl-riotboard: fix OTG regulator polarity Alexander Kurz
2018-05-26 18:30 ` Alexander Kurz
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