* [PATCH] [RFC] ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
@ 2015-12-07 16:25 ` Geert Uytterhoeven
0 siblings, 0 replies; 12+ messages in thread
From: Geert Uytterhoeven @ 2015-12-07 16:25 UTC (permalink / raw)
To: Simon Horman, Magnus Damm, Kuninori Morimoto, Ulrich Hecht
Cc: alsa-devel, devicetree, linux-sh, Geert Uytterhoeven
The default value of #sound-dai-cells in r8a7778.dtsi is one, while
the /sound/simple-audio-card,cpu device node in r8a7778-bockw.dts uses a
phandle without any extra cells ("<&rcar_sound>"), causing:
/sound/simple-audio-card,cpu: arguments longer than property
asoc-simple-card sound: parse error -22
asoc-simple-card: probe of sound failed with error -22
Override #sound-dai-cells to zero to fix this.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
The rcar_sound node is still disabled. So why is this needed?!?
---
arch/arm/boot/dts/r8a7778-bockw.dts | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7778-bockw.dts b/arch/arm/boot/dts/r8a7778-bockw.dts
index 3c03e6b8261e9348..158ad94fd4d187a7 100644
--- a/arch/arm/boot/dts/r8a7778-bockw.dts
+++ b/arch/arm/boot/dts/r8a7778-bockw.dts
@@ -172,6 +172,11 @@
};
};
+&rcar_sound {
+ /* Single DAI */
+ #sound-dai-cells = <0>;
+};
+
&sdhi0 {
pinctrl-0 = <&sdhi0_pins>, <&sdhi0_pup_pins>;
pinctrl-names = "default";
--
1.9.1
^ permalink raw reply related [flat|nested] 12+ messages in thread* [PATCH] [RFC] ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
@ 2015-12-07 16:25 ` Geert Uytterhoeven
0 siblings, 0 replies; 12+ messages in thread
From: Geert Uytterhoeven @ 2015-12-07 16:25 UTC (permalink / raw)
To: Simon Horman, Magnus Damm, Kuninori Morimoto, Ulrich Hecht
Cc: alsa-devel, devicetree, linux-sh, Geert Uytterhoeven
The default value of #sound-dai-cells in r8a7778.dtsi is one, while
the /sound/simple-audio-card,cpu device node in r8a7778-bockw.dts uses a
phandle without any extra cells ("<&rcar_sound>"), causing:
/sound/simple-audio-card,cpu: arguments longer than property
asoc-simple-card sound: parse error -22
asoc-simple-card: probe of sound failed with error -22
Override #sound-dai-cells to zero to fix this.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
The rcar_sound node is still disabled. So why is this needed?!?
---
arch/arm/boot/dts/r8a7778-bockw.dts | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7778-bockw.dts b/arch/arm/boot/dts/r8a7778-bockw.dts
index 3c03e6b8261e9348..158ad94fd4d187a7 100644
--- a/arch/arm/boot/dts/r8a7778-bockw.dts
+++ b/arch/arm/boot/dts/r8a7778-bockw.dts
@@ -172,6 +172,11 @@
};
};
+&rcar_sound {
+ /* Single DAI */
+ #sound-dai-cells = <0>;
+};
+
&sdhi0 {
pinctrl-0 = <&sdhi0_pins>, <&sdhi0_pup_pins>;
pinctrl-names = "default";
--
1.9.1
^ permalink raw reply related [flat|nested] 12+ messages in thread* Re: [PATCH] [RFC] ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
2015-12-07 16:25 ` Geert Uytterhoeven
@ 2015-12-08 0:08 ` Kuninori Morimoto
-1 siblings, 0 replies; 12+ messages in thread
From: Kuninori Morimoto @ 2015-12-08 0:08 UTC (permalink / raw)
To: Geert Uytterhoeven
Cc: Simon Horman, Magnus Damm, Ulrich Hecht, alsa-devel, devicetree,
linux-sh
Hi
> The default value of #sound-dai-cells in r8a7778.dtsi is one, while
> the /sound/simple-audio-card,cpu device node in r8a7778-bockw.dts uses a
> phandle without any extra cells ("<&rcar_sound>"), causing:
>
> /sound/simple-audio-card,cpu: arguments longer than property
> asoc-simple-card sound: parse error -22
> asoc-simple-card: probe of sound failed with error -22
>
> Override #sound-dai-cells to zero to fix this.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> The rcar_sound node is still disabled. So why is this needed?!?
This error came from "simple-audio-card", not "rcar_sound" I think.
# sound needs many drivers...
Actually, I don't want to have default #sound-dai-cells in r8a7778.dtsi.
Like below. I will send this patch soon
ad63241cdc328edbb0f879416ea7707bf0997f08
("ARM: shmobile: r8a7790: tidyup #sound-dai-cells settings")
^ permalink raw reply [flat|nested] 12+ messages in thread* Re: [PATCH] [RFC] ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
@ 2015-12-08 0:08 ` Kuninori Morimoto
0 siblings, 0 replies; 12+ messages in thread
From: Kuninori Morimoto @ 2015-12-08 0:08 UTC (permalink / raw)
To: Geert Uytterhoeven
Cc: Simon Horman, Magnus Damm, Ulrich Hecht, alsa-devel, devicetree,
linux-sh
Hi
> The default value of #sound-dai-cells in r8a7778.dtsi is one, while
> the /sound/simple-audio-card,cpu device node in r8a7778-bockw.dts uses a
> phandle without any extra cells ("<&rcar_sound>"), causing:
>
> /sound/simple-audio-card,cpu: arguments longer than property
> asoc-simple-card sound: parse error -22
> asoc-simple-card: probe of sound failed with error -22
>
> Override #sound-dai-cells to zero to fix this.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> The rcar_sound node is still disabled. So why is this needed?!?
This error came from "simple-audio-card", not "rcar_sound" I think.
# sound needs many drivers...
Actually, I don't want to have default #sound-dai-cells in r8a7778.dtsi.
Like below. I will send this patch soon
ad63241cdc328edbb0f879416ea7707bf0997f08
("ARM: shmobile: r8a7790: tidyup #sound-dai-cells settings")
^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings
2015-12-07 16:25 ` Geert Uytterhoeven
@ 2015-12-08 0:10 ` Kuninori Morimoto
-1 siblings, 0 replies; 12+ messages in thread
From: Kuninori Morimoto @ 2015-12-08 0:10 UTC (permalink / raw)
To: Simon Horman
Cc: Geert Uytterhoeven, Magnus Damm, Ulrich Hecht, devicetree, linux-sh
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Renesas sound driver needs #sound-dai-cells settings, but, this usage
is a little bit confusable. It came from ALSA SoC historical reasons.
The sound DAI naming method is different between Single/Multi DAI in
the ALSA framework, and it is used for sound card matching.
And this #sound-dai-cells has relationship to it.
Current SoC dtsi has #sound-dai-cells = <1> as default settings
(= it is assuming that board/platform has multi DAI), and
board/platform side needs to overwrite it if board/platform was single
DAI. This style is more confusable for users.
This patch removes SoC side default settings, and force to set it by
board/platform side.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
This patch is based on Geert's
ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
arch/arm/boot/dts/r8a7778.dtsi | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
index 4f8e078..b140627 100644
--- a/arch/arm/boot/dts/r8a7778.dtsi
+++ b/arch/arm/boot/dts/r8a7778.dtsi
@@ -236,7 +236,12 @@
};
rcar_sound: sound@ffd90000 {
- #sound-dai-cells = <1>;
+ /*
+ * #sound-dai-cells is required
+ *
+ * Single DAI : #sound-dai-cells = <0>; <&rcar_sound>;
+ * Multi DAI : #sound-dai-cells = <1>; <&rcar_sound N>;
+ */
compatible = "renesas,rcar_sound-r8a7778", "renesas,rcar_sound-gen1";
reg = <0xffd90000 0x1000>, /* SRU */
<0xffd91000 0x240>, /* SSI */
--
1.9.1
^ permalink raw reply related [flat|nested] 12+ messages in thread* [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings
@ 2015-12-08 0:10 ` Kuninori Morimoto
0 siblings, 0 replies; 12+ messages in thread
From: Kuninori Morimoto @ 2015-12-08 0:10 UTC (permalink / raw)
To: Simon Horman
Cc: Geert Uytterhoeven, Magnus Damm, Ulrich Hecht, devicetree, linux-sh
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Renesas sound driver needs #sound-dai-cells settings, but, this usage
is a little bit confusable. It came from ALSA SoC historical reasons.
The sound DAI naming method is different between Single/Multi DAI in
the ALSA framework, and it is used for sound card matching.
And this #sound-dai-cells has relationship to it.
Current SoC dtsi has #sound-dai-cells = <1> as default settings
(= it is assuming that board/platform has multi DAI), and
board/platform side needs to overwrite it if board/platform was single
DAI. This style is more confusable for users.
This patch removes SoC side default settings, and force to set it by
board/platform side.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
This patch is based on Geert's
ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
arch/arm/boot/dts/r8a7778.dtsi | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
index 4f8e078..b140627 100644
--- a/arch/arm/boot/dts/r8a7778.dtsi
+++ b/arch/arm/boot/dts/r8a7778.dtsi
@@ -236,7 +236,12 @@
};
rcar_sound: sound@ffd90000 {
- #sound-dai-cells = <1>;
+ /*
+ * #sound-dai-cells is required
+ *
+ * Single DAI : #sound-dai-cells = <0>; <&rcar_sound>;
+ * Multi DAI : #sound-dai-cells = <1>; <&rcar_sound N>;
+ */
compatible = "renesas,rcar_sound-r8a7778", "renesas,rcar_sound-gen1";
reg = <0xffd90000 0x1000>, /* SRU */
<0xffd91000 0x240>, /* SSI */
--
1.9.1
^ permalink raw reply related [flat|nested] 12+ messages in thread* Re: [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings
2015-12-08 0:10 ` Kuninori Morimoto
@ 2015-12-08 0:37 ` Simon Horman
-1 siblings, 0 replies; 12+ messages in thread
From: Simon Horman @ 2015-12-08 0:37 UTC (permalink / raw)
To: Kuninori Morimoto
Cc: Geert Uytterhoeven, Magnus Damm, Ulrich Hecht, devicetree, linux-sh
On Tue, Dec 08, 2015 at 12:10:59AM +0000, Kuninori Morimoto wrote:
>
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
>
> Renesas sound driver needs #sound-dai-cells settings, but, this usage
> is a little bit confusable. It came from ALSA SoC historical reasons.
> The sound DAI naming method is different between Single/Multi DAI in
> the ALSA framework, and it is used for sound card matching.
> And this #sound-dai-cells has relationship to it.
> Current SoC dtsi has #sound-dai-cells = <1> as default settings
> (= it is assuming that board/platform has multi DAI), and
> board/platform side needs to overwrite it if board/platform was single
> DAI. This style is more confusable for users.
> This patch removes SoC side default settings, and force to set it by
> board/platform side.
>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> ---
> This patch is based on Geert's
> ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
Is Geert's patch necessary with this patch?
> arch/arm/boot/dts/r8a7778.dtsi | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
> index 4f8e078..b140627 100644
> --- a/arch/arm/boot/dts/r8a7778.dtsi
> +++ b/arch/arm/boot/dts/r8a7778.dtsi
> @@ -236,7 +236,12 @@
> };
>
> rcar_sound: sound@ffd90000 {
> - #sound-dai-cells = <1>;
> + /*
> + * #sound-dai-cells is required
> + *
> + * Single DAI : #sound-dai-cells = <0>; <&rcar_sound>;
> + * Multi DAI : #sound-dai-cells = <1>; <&rcar_sound N>;
> + */
> compatible = "renesas,rcar_sound-r8a7778", "renesas,rcar_sound-gen1";
> reg = <0xffd90000 0x1000>, /* SRU */
> <0xffd91000 0x240>, /* SSI */
> --
> 1.9.1
>
^ permalink raw reply [flat|nested] 12+ messages in thread* Re: [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings
@ 2015-12-08 0:37 ` Simon Horman
0 siblings, 0 replies; 12+ messages in thread
From: Simon Horman @ 2015-12-08 0:37 UTC (permalink / raw)
To: Kuninori Morimoto
Cc: Geert Uytterhoeven, Magnus Damm, Ulrich Hecht, devicetree, linux-sh
On Tue, Dec 08, 2015 at 12:10:59AM +0000, Kuninori Morimoto wrote:
>
> From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
>
> Renesas sound driver needs #sound-dai-cells settings, but, this usage
> is a little bit confusable. It came from ALSA SoC historical reasons.
> The sound DAI naming method is different between Single/Multi DAI in
> the ALSA framework, and it is used for sound card matching.
> And this #sound-dai-cells has relationship to it.
> Current SoC dtsi has #sound-dai-cells = <1> as default settings
> (= it is assuming that board/platform has multi DAI), and
> board/platform side needs to overwrite it if board/platform was single
> DAI. This style is more confusable for users.
> This patch removes SoC side default settings, and force to set it by
> board/platform side.
>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> ---
> This patch is based on Geert's
> ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
Is Geert's patch necessary with this patch?
> arch/arm/boot/dts/r8a7778.dtsi | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
> index 4f8e078..b140627 100644
> --- a/arch/arm/boot/dts/r8a7778.dtsi
> +++ b/arch/arm/boot/dts/r8a7778.dtsi
> @@ -236,7 +236,12 @@
> };
>
> rcar_sound: sound@ffd90000 {
> - #sound-dai-cells = <1>;
> + /*
> + * #sound-dai-cells is required
> + *
> + * Single DAI : #sound-dai-cells = <0>; <&rcar_sound>;
> + * Multi DAI : #sound-dai-cells = <1>; <&rcar_sound N>;
> + */
> compatible = "renesas,rcar_sound-r8a7778", "renesas,rcar_sound-gen1";
> reg = <0xffd90000 0x1000>, /* SRU */
> <0xffd91000 0x240>, /* SSI */
> --
> 1.9.1
>
^ permalink raw reply [flat|nested] 12+ messages in thread* Re: [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings
2015-12-08 0:37 ` Simon Horman
@ 2015-12-08 1:30 ` Kuninori Morimoto
-1 siblings, 0 replies; 12+ messages in thread
From: Kuninori Morimoto @ 2015-12-08 1:30 UTC (permalink / raw)
To: Simon Horman
Cc: Geert Uytterhoeven, Magnus Damm, Ulrich Hecht, devicetree, linux-sh
Hi Simon
> > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> >
> > Renesas sound driver needs #sound-dai-cells settings, but, this usage
> > is a little bit confusable. It came from ALSA SoC historical reasons.
> > The sound DAI naming method is different between Single/Multi DAI in
> > the ALSA framework, and it is used for sound card matching.
> > And this #sound-dai-cells has relationship to it.
> > Current SoC dtsi has #sound-dai-cells = <1> as default settings
> > (= it is assuming that board/platform has multi DAI), and
> > board/platform side needs to overwrite it if board/platform was single
> > DAI. This style is more confusable for users.
> > This patch removes SoC side default settings, and force to set it by
> > board/platform side.
> >
> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > ---
> > This patch is based on Geert's
> > ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
>
> Is Geert's patch necessary with this patch?
I think best order (for git bisect) is
1. Geert's patch
2. My patch
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings
@ 2015-12-08 1:30 ` Kuninori Morimoto
0 siblings, 0 replies; 12+ messages in thread
From: Kuninori Morimoto @ 2015-12-08 1:30 UTC (permalink / raw)
To: Simon Horman
Cc: Geert Uytterhoeven, Magnus Damm, Ulrich Hecht, devicetree, linux-sh
Hi Simon
> > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> >
> > Renesas sound driver needs #sound-dai-cells settings, but, this usage
> > is a little bit confusable. It came from ALSA SoC historical reasons.
> > The sound DAI naming method is different between Single/Multi DAI in
> > the ALSA framework, and it is used for sound card matching.
> > And this #sound-dai-cells has relationship to it.
> > Current SoC dtsi has #sound-dai-cells = <1> as default settings
> > (= it is assuming that board/platform has multi DAI), and
> > board/platform side needs to overwrite it if board/platform was single
> > DAI. This style is more confusable for users.
> > This patch removes SoC side default settings, and force to set it by
> > board/platform side.
> >
> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > ---
> > This patch is based on Geert's
> > ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
>
> Is Geert's patch necessary with this patch?
I think best order (for git bisect) is
1. Geert's patch
2. My patch
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings
2015-12-08 1:30 ` Kuninori Morimoto
@ 2015-12-08 2:00 ` Simon Horman
-1 siblings, 0 replies; 12+ messages in thread
From: Simon Horman @ 2015-12-08 2:00 UTC (permalink / raw)
To: Kuninori Morimoto
Cc: Geert Uytterhoeven, Magnus Damm, Ulrich Hecht, devicetree, linux-sh
On Tue, Dec 08, 2015 at 01:30:12AM +0000, Kuninori Morimoto wrote:
>
> Hi Simon
>
> > > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > >
> > > Renesas sound driver needs #sound-dai-cells settings, but, this usage
> > > is a little bit confusable. It came from ALSA SoC historical reasons.
> > > The sound DAI naming method is different between Single/Multi DAI in
> > > the ALSA framework, and it is used for sound card matching.
> > > And this #sound-dai-cells has relationship to it.
> > > Current SoC dtsi has #sound-dai-cells = <1> as default settings
> > > (= it is assuming that board/platform has multi DAI), and
> > > board/platform side needs to overwrite it if board/platform was single
> > > DAI. This style is more confusable for users.
> > > This patch removes SoC side default settings, and force to set it by
> > > board/platform side.
> > >
> > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > > ---
> > > This patch is based on Geert's
> > > ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
> >
> > Is Geert's patch necessary with this patch?
>
> I think best order (for git bisect) is
>
> 1. Geert's patch
> 2. My patch
Thanks, I will make it so.
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings
@ 2015-12-08 2:00 ` Simon Horman
0 siblings, 0 replies; 12+ messages in thread
From: Simon Horman @ 2015-12-08 2:00 UTC (permalink / raw)
To: Kuninori Morimoto
Cc: Geert Uytterhoeven, Magnus Damm, Ulrich Hecht, devicetree, linux-sh
On Tue, Dec 08, 2015 at 01:30:12AM +0000, Kuninori Morimoto wrote:
>
> Hi Simon
>
> > > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > >
> > > Renesas sound driver needs #sound-dai-cells settings, but, this usage
> > > is a little bit confusable. It came from ALSA SoC historical reasons.
> > > The sound DAI naming method is different between Single/Multi DAI in
> > > the ALSA framework, and it is used for sound card matching.
> > > And this #sound-dai-cells has relationship to it.
> > > Current SoC dtsi has #sound-dai-cells = <1> as default settings
> > > (= it is assuming that board/platform has multi DAI), and
> > > board/platform side needs to overwrite it if board/platform was single
> > > DAI. This style is more confusable for users.
> > > This patch removes SoC side default settings, and force to set it by
> > > board/platform side.
> > >
> > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > > ---
> > > This patch is based on Geert's
> > > ARM: shmobile: bockw dts: Override #sound-dai-cells to zero
> >
> > Is Geert's patch necessary with this patch?
>
> I think best order (for git bisect) is
>
> 1. Geert's patch
> 2. My patch
Thanks, I will make it so.
^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2015-12-08 2:00 UTC | newest]
Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-12-07 16:25 [PATCH] [RFC] ARM: shmobile: bockw dts: Override #sound-dai-cells to zero Geert Uytterhoeven
2015-12-07 16:25 ` Geert Uytterhoeven
2015-12-08 0:08 ` Kuninori Morimoto
2015-12-08 0:08 ` Kuninori Morimoto
2015-12-08 0:10 ` [PATCH] ARM: shmobile: r8a7778: tidyup #sound-dai-cells settings Kuninori Morimoto
2015-12-08 0:10 ` Kuninori Morimoto
2015-12-08 0:37 ` Simon Horman
2015-12-08 0:37 ` Simon Horman
2015-12-08 1:30 ` Kuninori Morimoto
2015-12-08 1:30 ` Kuninori Morimoto
2015-12-08 2:00 ` Simon Horman
2015-12-08 2:00 ` Simon Horman
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