* [PATCH 0/3] imx8m: add mu support
@ 2020-05-20 2:04 peng.fan
2020-05-20 2:04 ` [PATCH 1/3] arm64: dts: imx8m: add mu node peng.fan
` (2 more replies)
0 siblings, 3 replies; 11+ messages in thread
From: peng.fan @ 2020-05-20 2:04 UTC (permalink / raw)
To: shawnguo, fabio.estevam, kernel, aisheng.dong, robh+dt, sboyd
Cc: linux-arm-kernel, linux-kernel, linux-imx, leonard.crestez,
daniel.baluta, l.stach, devicetree, linux-clk, Peng Fan
From: Peng Fan <peng.fan@nxp.com>
patch 1,3 is to add mu node
Patch 2 is to add mu root clk for i.MX8MP
Patch 1,3 is not merged, since patch 3 depends on patch 2 to make mu work.
Peng Fan (3):
arm64: dts: imx8m: add mu node
clk: imx8mp: add mu root clk
arm64: dts: imx8mp: add mu node
arch/arm64/boot/dts/freescale/imx8mm.dtsi | 9 +++++++++
arch/arm64/boot/dts/freescale/imx8mn.dtsi | 9 +++++++++
arch/arm64/boot/dts/freescale/imx8mp.dtsi | 9 +++++++++
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 9 +++++++++
drivers/clk/imx/clk-imx8mp.c | 1 +
5 files changed, 37 insertions(+)
--
2.16.4
^ permalink raw reply [flat|nested] 11+ messages in thread
* [PATCH 1/3] arm64: dts: imx8m: add mu node
2020-05-20 2:04 [PATCH 0/3] imx8m: add mu support peng.fan
@ 2020-05-20 2:04 ` peng.fan
2020-05-20 6:45 ` Aisheng Dong
2020-05-20 2:04 ` [PATCH 2/3] clk: imx8mp: add mu root clk peng.fan
2020-05-20 2:04 ` [PATCH 3/3] arm64: dts: imx8mp: add mu node peng.fan
2 siblings, 1 reply; 11+ messages in thread
From: peng.fan @ 2020-05-20 2:04 UTC (permalink / raw)
To: shawnguo, fabio.estevam, kernel, aisheng.dong, robh+dt, sboyd
Cc: linux-arm-kernel, linux-kernel, linux-imx, leonard.crestez,
daniel.baluta, l.stach, devicetree, linux-clk, Peng Fan
From: Peng Fan <peng.fan@nxp.com>
Add mu node to let A53 could communicate with M Core.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
arch/arm64/boot/dts/freescale/imx8mm.dtsi | 9 +++++++++
arch/arm64/boot/dts/freescale/imx8mn.dtsi | 9 +++++++++
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 9 +++++++++
3 files changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index f3bbefe3e59f..9722f76d8c3f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -771,6 +771,15 @@
status = "disabled";
};
+ mu: mailbox@30aa0000 {
+ compatible = "fsl,imx6sx-mu";
+ reg = <0x30aa0000 0x10000>;
+ interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX8MM_CLK_MU_ROOT>;
+ clock-names = "mu";
+ #mbox-cells = <2>;
+ };
+
usdhc1: mmc@30b40000 {
compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
reg = <0x30b40000 0x10000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index fb63a98fdff5..5f30f1d50460 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -671,6 +671,15 @@
status = "disabled";
};
+ mu: mailbox@30aa0000 {
+ compatible = "fsl,imx6sx-mu";
+ reg = <0x30aa0000 0x10000>;
+ interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX8MN_CLK_MU_ROOT>;
+ clock-names = "mu";
+ #mbox-cells = <2>;
+ };
+
usdhc1: mmc@30b40000 {
compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc";
reg = <0x30b40000 0x10000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 1d15680a4962..e969fcbbd15f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -956,6 +956,15 @@
status = "disabled";
};
+ mu: mailbox@30aa0000 {
+ compatible = "fsl,imx6sx-mu";
+ reg = <0x30aa0000 0x10000>;
+ interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX8MQ_CLK_MU_ROOT>;
+ clock-names = "mu";
+ #mbox-cells = <2>;
+ };
+
usdhc1: mmc@30b40000 {
compatible = "fsl,imx8mq-usdhc",
"fsl,imx7d-usdhc";
--
2.16.4
^ permalink raw reply related [flat|nested] 11+ messages in thread
* [PATCH 2/3] clk: imx8mp: add mu root clk
2020-05-20 2:04 [PATCH 0/3] imx8m: add mu support peng.fan
2020-05-20 2:04 ` [PATCH 1/3] arm64: dts: imx8m: add mu node peng.fan
@ 2020-05-20 2:04 ` peng.fan
2020-05-20 6:46 ` Aisheng Dong
2020-05-20 2:04 ` [PATCH 3/3] arm64: dts: imx8mp: add mu node peng.fan
2 siblings, 1 reply; 11+ messages in thread
From: peng.fan @ 2020-05-20 2:04 UTC (permalink / raw)
To: shawnguo, fabio.estevam, kernel, aisheng.dong, robh+dt, sboyd
Cc: linux-arm-kernel, linux-kernel, linux-imx, leonard.crestez,
daniel.baluta, l.stach, devicetree, linux-clk, Peng Fan
From: Peng Fan <peng.fan@nxp.com>
Add mu root clk for mu mailbox usage.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
drivers/clk/imx/clk-imx8mp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
index 41469e2cc3de..95eeb9eef70c 100644
--- a/drivers/clk/imx/clk-imx8mp.c
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -677,6 +677,7 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
hws[IMX8MP_CLK_I2C2_ROOT] = imx_clk_hw_gate4("i2c2_root_clk", "i2c2", ccm_base + 0x4180, 0);
hws[IMX8MP_CLK_I2C3_ROOT] = imx_clk_hw_gate4("i2c3_root_clk", "i2c3", ccm_base + 0x4190, 0);
hws[IMX8MP_CLK_I2C4_ROOT] = imx_clk_hw_gate4("i2c4_root_clk", "i2c4", ccm_base + 0x41a0, 0);
+ hws[IMX8MP_CLK_MU_ROOT] = imx_clk_hw_gate4("mu_root_clk", "ipg_root", ccm_base + 0x4210, 0);
hws[IMX8MP_CLK_OCOTP_ROOT] = imx_clk_hw_gate4("ocotp_root_clk", "ipg_root", ccm_base + 0x4220, 0);
hws[IMX8MP_CLK_PCIE_ROOT] = imx_clk_hw_gate4("pcie_root_clk", "pcie_aux", ccm_base + 0x4250, 0);
hws[IMX8MP_CLK_PWM1_ROOT] = imx_clk_hw_gate4("pwm1_root_clk", "pwm1", ccm_base + 0x4280, 0);
--
2.16.4
^ permalink raw reply related [flat|nested] 11+ messages in thread
* [PATCH 3/3] arm64: dts: imx8mp: add mu node
2020-05-20 2:04 [PATCH 0/3] imx8m: add mu support peng.fan
2020-05-20 2:04 ` [PATCH 1/3] arm64: dts: imx8m: add mu node peng.fan
2020-05-20 2:04 ` [PATCH 2/3] clk: imx8mp: add mu root clk peng.fan
@ 2020-05-20 2:04 ` peng.fan
2020-05-20 2:59 ` Fabio Estevam
2 siblings, 1 reply; 11+ messages in thread
From: peng.fan @ 2020-05-20 2:04 UTC (permalink / raw)
To: shawnguo, fabio.estevam, kernel, aisheng.dong, robh+dt, sboyd
Cc: linux-arm-kernel, linux-kernel, linux-imx, leonard.crestez,
daniel.baluta, l.stach, devicetree, linux-clk, Peng Fan
From: Peng Fan <peng.fan@nxp.com>
Add mu node to let A53 could communicate with M Core.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
arch/arm64/boot/dts/freescale/imx8mp.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 73535601261e..0b127a25657a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -621,6 +621,15 @@
status = "disabled";
};
+ mu: mailbox@30aa0000 {
+ compatible = "fsl,imx6sx-mu";
+ reg = <0x30aa0000 0x10000>;
+ interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk IMX8MP_CLK_MU_ROOT>;
+ clock-names = "mu";
+ #mbox-cells = <2>;
+ };
+
i2c5: i2c@30ad0000 {
compatible = "fsl,imx8mp-i2c", "fsl,imx21-i2c";
#address-cells = <1>;
--
2.16.4
^ permalink raw reply related [flat|nested] 11+ messages in thread
* Re: [PATCH 3/3] arm64: dts: imx8mp: add mu node
2020-05-20 2:04 ` [PATCH 3/3] arm64: dts: imx8mp: add mu node peng.fan
@ 2020-05-20 2:59 ` Fabio Estevam
2020-05-20 3:01 ` Peng Fan
0 siblings, 1 reply; 11+ messages in thread
From: Fabio Estevam @ 2020-05-20 2:59 UTC (permalink / raw)
To: Peng Fan
Cc: Shawn Guo, Fabio Estevam, Sascha Hauer, Dong Aisheng,
Rob Herring, Stephen Boyd,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
linux-kernel, NXP Linux Team, Leonard Crestez, Daniel Baluta,
Lucas Stach,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-clk
Hi Peng,
On Tue, May 19, 2020 at 11:15 PM <peng.fan@nxp.com> wrote:
> + mu: mailbox@30aa0000 {
> + compatible = "fsl,imx6sx-mu";
This should be better described as:
compatible = "fsl,imx8mp-mu", "fsl,imx6sx-mu";
From Documentation/devicetree/bindings/mailbox/fsl,mu.txt:
"The "fsl,imx6sx-mu" compatible is seen as generic and should
be included together with SoC specific compatible."
^ permalink raw reply [flat|nested] 11+ messages in thread
* RE: [PATCH 3/3] arm64: dts: imx8mp: add mu node
2020-05-20 2:59 ` Fabio Estevam
@ 2020-05-20 3:01 ` Peng Fan
2020-05-20 3:06 ` Fabio Estevam
0 siblings, 1 reply; 11+ messages in thread
From: Peng Fan @ 2020-05-20 3:01 UTC (permalink / raw)
To: Fabio Estevam
Cc: Shawn Guo, Fabio Estevam, Sascha Hauer, Aisheng Dong,
Rob Herring, Stephen Boyd,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
linux-kernel, dl-linux-imx, Leonard Crestez, Daniel Baluta,
Lucas Stach,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-clk
> Subject: Re: [PATCH 3/3] arm64: dts: imx8mp: add mu node
>
> Hi Peng,
>
> On Tue, May 19, 2020 at 11:15 PM <peng.fan@nxp.com> wrote:
>
> > + mu: mailbox@30aa0000 {
> > + compatible = "fsl,imx6sx-mu";
>
> This should be better described as:
>
> compatible = "fsl,imx8mp-mu", "fsl,imx6sx-mu";
>
> From Documentation/devicetree/bindings/mailbox/fsl,mu.txt:
>
> "The "fsl,imx6sx-mu" compatible is seen as generic and should be included
> together with SoC specific compatible."
Nothing specific in i.MX8MP for the mu part, so do we really need
add "fsl,imx8mp-mu"?
Thanks,
Peng.
^ permalink raw reply [flat|nested] 11+ messages in thread
* RE: [PATCH 3/3] arm64: dts: imx8mp: add mu node
2020-05-20 3:06 ` Fabio Estevam
@ 2020-05-20 3:06 ` Peng Fan
2020-05-20 6:50 ` Aisheng Dong
1 sibling, 0 replies; 11+ messages in thread
From: Peng Fan @ 2020-05-20 3:06 UTC (permalink / raw)
To: Fabio Estevam
Cc: Shawn Guo, Fabio Estevam, Sascha Hauer, Aisheng Dong,
Rob Herring, Stephen Boyd,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
linux-kernel, dl-linux-imx, Leonard Crestez, Daniel Baluta,
Lucas Stach,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-clk
> Subject: Re: [PATCH 3/3] arm64: dts: imx8mp: add mu node
>
> Hi Peng,
>
> On Wed, May 20, 2020 at 12:01 AM Peng Fan <peng.fan@nxp.com> wrote:
>
> > Nothing specific in i.MX8MP for the mu part, so do we really need add
> > "fsl,imx8mp-mu"?
>
> It is good practice to add a more specific option.
>
> Let's say in future a bug is found that affects imx8mp MU, then you could fix
> the MU driver and keep the dtb compatibility.
Got it. Thanks for the tips.
Thanks,
Peng.
^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH 3/3] arm64: dts: imx8mp: add mu node
2020-05-20 3:01 ` Peng Fan
@ 2020-05-20 3:06 ` Fabio Estevam
2020-05-20 3:06 ` Peng Fan
2020-05-20 6:50 ` Aisheng Dong
0 siblings, 2 replies; 11+ messages in thread
From: Fabio Estevam @ 2020-05-20 3:06 UTC (permalink / raw)
To: Peng Fan
Cc: Shawn Guo, Fabio Estevam, Sascha Hauer, Aisheng Dong,
Rob Herring, Stephen Boyd,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
linux-kernel, dl-linux-imx, Leonard Crestez, Daniel Baluta,
Lucas Stach,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-clk
Hi Peng,
On Wed, May 20, 2020 at 12:01 AM Peng Fan <peng.fan@nxp.com> wrote:
> Nothing specific in i.MX8MP for the mu part, so do we really need
> add "fsl,imx8mp-mu"?
It is good practice to add a more specific option.
Let's say in future a bug is found that affects imx8mp MU, then you
could fix the MU driver and keep the dtb compatibility.
^ permalink raw reply [flat|nested] 11+ messages in thread
* RE: [PATCH 1/3] arm64: dts: imx8m: add mu node
2020-05-20 2:04 ` [PATCH 1/3] arm64: dts: imx8m: add mu node peng.fan
@ 2020-05-20 6:45 ` Aisheng Dong
0 siblings, 0 replies; 11+ messages in thread
From: Aisheng Dong @ 2020-05-20 6:45 UTC (permalink / raw)
To: Peng Fan, shawnguo, Fabio Estevam, kernel, robh+dt, sboyd
Cc: linux-arm-kernel, linux-kernel, dl-linux-imx, Leonard Crestez,
Daniel Baluta, l.stach, devicetree, linux-clk
> From: Peng Fan <peng.fan@nxp.com>
> Sent: Wednesday, May 20, 2020 10:05 AM
>
> Add mu node to let A53 could communicate with M Core.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
> arch/arm64/boot/dts/freescale/imx8mm.dtsi | 9 +++++++++
> arch/arm64/boot/dts/freescale/imx8mn.dtsi | 9 +++++++++
> arch/arm64/boot/dts/freescale/imx8mq.dtsi | 9 +++++++++
> 3 files changed, 27 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index f3bbefe3e59f..9722f76d8c3f 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -771,6 +771,15 @@
> status = "disabled";
> };
>
> + mu: mailbox@30aa0000 {
> + compatible = "fsl,imx6sx-mu";
Usually we also add current SoC compatible string.
compatible = "fsl,imx8mm-mu", "fsl,imx6sx-mu"
> + reg = <0x30aa0000 0x10000>;
> + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clk IMX8MM_CLK_MU_ROOT>;
> + clock-names = "mu";
Undocumented property, drop it
> + #mbox-cells = <2>;
> + };
> +
> usdhc1: mmc@30b40000 {
> compatible = "fsl,imx8mm-usdhc", "fsl,imx7d-usdhc";
> reg = <0x30b40000 0x10000>;
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> index fb63a98fdff5..5f30f1d50460 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> @@ -671,6 +671,15 @@
> status = "disabled";
> };
>
> + mu: mailbox@30aa0000 {
> + compatible = "fsl,imx6sx-mu";
> + reg = <0x30aa0000 0x10000>;
> + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clk IMX8MN_CLK_MU_ROOT>;
> + clock-names = "mu";
> + #mbox-cells = <2>;
> + };
> +
> usdhc1: mmc@30b40000 {
> compatible = "fsl,imx8mn-usdhc", "fsl,imx7d-usdhc";
> reg = <0x30b40000 0x10000>;
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> index 1d15680a4962..e969fcbbd15f 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> @@ -956,6 +956,15 @@
> status = "disabled";
> };
>
> + mu: mailbox@30aa0000 {
> + compatible = "fsl,imx6sx-mu";
> + reg = <0x30aa0000 0x10000>;
> + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clk IMX8MQ_CLK_MU_ROOT>;
> + clock-names = "mu";
> + #mbox-cells = <2>;
> + };
> +
> usdhc1: mmc@30b40000 {
> compatible = "fsl,imx8mq-usdhc",
> "fsl,imx7d-usdhc";
> --
> 2.16.4
^ permalink raw reply [flat|nested] 11+ messages in thread
* RE: [PATCH 2/3] clk: imx8mp: add mu root clk
2020-05-20 2:04 ` [PATCH 2/3] clk: imx8mp: add mu root clk peng.fan
@ 2020-05-20 6:46 ` Aisheng Dong
0 siblings, 0 replies; 11+ messages in thread
From: Aisheng Dong @ 2020-05-20 6:46 UTC (permalink / raw)
To: Peng Fan, shawnguo, Fabio Estevam, kernel, robh+dt, sboyd
Cc: linux-arm-kernel, linux-kernel, dl-linux-imx, Leonard Crestez,
Daniel Baluta, l.stach, devicetree, linux-clk
> From: Peng Fan <peng.fan@nxp.com>
> Sent: Wednesday, May 20, 2020 10:05 AM
>
> Add mu root clk for mu mailbox usage.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Regards
Aisheng
^ permalink raw reply [flat|nested] 11+ messages in thread
* RE: [PATCH 3/3] arm64: dts: imx8mp: add mu node
2020-05-20 3:06 ` Fabio Estevam
2020-05-20 3:06 ` Peng Fan
@ 2020-05-20 6:50 ` Aisheng Dong
1 sibling, 0 replies; 11+ messages in thread
From: Aisheng Dong @ 2020-05-20 6:50 UTC (permalink / raw)
To: Fabio Estevam, Peng Fan
Cc: Shawn Guo, Fabio Estevam, Sascha Hauer, Rob Herring,
Stephen Boyd,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
linux-kernel, dl-linux-imx, Leonard Crestez, Daniel Baluta,
Lucas Stach,
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
linux-clk
> From: Fabio Estevam <festevam@gmail.com>
> Sent: Wednesday, May 20, 2020 11:07 AM
>
> Hi Peng,
>
> On Wed, May 20, 2020 at 12:01 AM Peng Fan <peng.fan@nxp.com> wrote:
>
> > Nothing specific in i.MX8MP for the mu part, so do we really need add
> > "fsl,imx8mp-mu"?
>
> It is good practice to add a more specific option.
>
> Let's say in future a bug is found that affects imx8mp MU, then you could fix the
> MU driver and keep the dtb compatibility.
+1
^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2020-05-20 6:50 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-05-20 2:04 [PATCH 0/3] imx8m: add mu support peng.fan
2020-05-20 2:04 ` [PATCH 1/3] arm64: dts: imx8m: add mu node peng.fan
2020-05-20 6:45 ` Aisheng Dong
2020-05-20 2:04 ` [PATCH 2/3] clk: imx8mp: add mu root clk peng.fan
2020-05-20 6:46 ` Aisheng Dong
2020-05-20 2:04 ` [PATCH 3/3] arm64: dts: imx8mp: add mu node peng.fan
2020-05-20 2:59 ` Fabio Estevam
2020-05-20 3:01 ` Peng Fan
2020-05-20 3:06 ` Fabio Estevam
2020-05-20 3:06 ` Peng Fan
2020-05-20 6:50 ` Aisheng Dong
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