linux-kernel - Re: [PATCH] ARM: at91: Add ADC driver to at91sam9260/at91sam9g20 dtsi files

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Date:	Tue, 22 May 2012 09:19:25 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	<linux-next@...r.kernel.org>, Greg KH <gregkh@...uxfoundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <plagnioj@...osoft.com>,
	<maxime.ripard@...e-electrons.com>, <olof@...om.net>
Subject: Re: [PATCH] ARM: at91: Add ADC driver to at91sam9260/at91sam9g20
 dtsi files

Hi Nicolas,

On Mon, 21 May 2012 12:10:11 +0200 Nicolas Ferre <nicolas.ferre@...el.com> wrote:
>
> After checking the current status of
> arch/arm/boot/dts/at91sam9g20.dtsi in linux-next, it seems the merge
> resolution has not produced a good result:
> 
> The "adc0" node, should only look like:
> 
> ahb {
>         apb {
>                 adc0: adc@...e0000 {
>                         atmel,adc-startup-time = <40>;
>                 };
>         };
> };
> 
> without the redundant code carried by the staging git tree. In short,
> the arm-soc version is the proper one.

Rats!  That was an automatic merge resolution and I didn't even notice,
sorry.  I will fix it up today in linux-next, but someone needs to
remember to tell Linus when the second if these two trees is merged.

I will apply the following as a merge fixup patch after merging the
arm-soc tree (which comes later in my sequence):

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Tue, 22 May 2012 09:17:31 +1000
Subject: [PATCH] ARM:at91: merge fixup for dtsi file

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 arch/arm/boot/dts/at91sam9g20.dtsi |   35 -----------------------------------
 1 file changed, 35 deletions(-)

diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index 06ca15b..2a1d1ca 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -21,41 +21,6 @@
 			adc0: adc@...e0000 {
 				atmel,adc-startup-time = <40>;
 			};
-
-			adc0: adc@...e0000 {
-				compatible = "atmel,at91sam9260-adc";
-				reg = <0xfffe0000 0x100>;
-				interrupts = <5 4>;
-				atmel,adc-use-external-triggers;
-				atmel,adc-channels-used = <0xf>;
-				atmel,adc-vref = <3300>;
-				atmel,adc-num-channels = <4>;
-				atmel,adc-startup-time = <10>;
-				atmel,adc-channel-base = <0x30>;
-				atmel,adc-drdy-mask = <0x10000>;
-				atmel,adc-status-register = <0x1c>;
-				atmel,adc-trigger-register = <0x04>;
-
-				trigger@0 {
-					trigger-name = "timer-counter-0";
-					trigger-value = <0x1>;
-				};
-				trigger@1 {
-					trigger-name = "timer-counter-1";
-					trigger-value = <0x3>;
-				};
-
-				trigger@2 {
-					trigger-name = "timer-counter-2";
-					trigger-value = <0x5>;
-				};
-
-				trigger@3 {
-					trigger-name = "external";
-					trigger-value = <0x13>;
-					trigger-external;
-				};
-			};
 		};
 	};
 };
-- 
1.7.10.280.gaa39

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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