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* [PATCH] ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC
@ 2015-05-20 21:22 ` Imre Kaloz
  0 siblings, 0 replies; 4+ messages in thread
From: Imre Kaloz @ 2015-05-20 21:22 UTC (permalink / raw)
  To: linux-arm-kernel; +Cc: jason, thomas.petazzoni, gregory.clement, andrew, stable

The Mamba (like the OpenBlocks AX3) doesn't have a crystal
connected to the internal RTC - let's prevent the kernel from
probing it.

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Cc: <stable@vger.kernel.org> # v4.0 +
---
 arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
index a2cf215..fdd187c 100644
--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
@@ -95,6 +95,11 @@
 
 		internal-regs {
 
+			rtc@10300 {
+				/* No crystal connected to the internal RTC */
+				status = "disabled";
+			};
+
 			/* J10: VCC, NC, RX, NC, TX, GND  */
 			serial@12000 {
 				status = "okay";
-- 
2.1.0

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH] ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC
@ 2015-05-20 21:22 ` Imre Kaloz
  0 siblings, 0 replies; 4+ messages in thread
From: Imre Kaloz @ 2015-05-20 21:22 UTC (permalink / raw)
  To: linux-arm-kernel

The Mamba (like the OpenBlocks AX3) doesn't have a crystal
connected to the internal RTC - let's prevent the kernel from
probing it.

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Cc: <stable@vger.kernel.org> # v4.0 +
---
 arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
index a2cf215..fdd187c 100644
--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
@@ -95,6 +95,11 @@
 
 		internal-regs {
 
+			rtc at 10300 {
+				/* No crystal connected to the internal RTC */
+				status = "disabled";
+			};
+
 			/* J10: VCC, NC, RX, NC, TX, GND  */
 			serial at 12000 {
 				status = "okay";
-- 
2.1.0

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC
  2015-05-20 21:22 ` Imre Kaloz
@ 2015-05-25 13:18   ` Gregory CLEMENT
  -1 siblings, 0 replies; 4+ messages in thread
From: Gregory CLEMENT @ 2015-05-25 13:18 UTC (permalink / raw)
  To: Imre Kaloz; +Cc: linux-arm-kernel, jason, thomas.petazzoni, andrew, stable

Hi Imre,

On 20/05/2015 23:22, Imre Kaloz wrote:
> The Mamba (like the OpenBlocks AX3) doesn't have a crystal
> connected to the internal RTC - let's prevent the kernel from
> probing it.
> 

applied on mvebu/fixes

Thanks,

Gregory


> Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
> Cc: <stable@vger.kernel.org> # v4.0 +
> ---
>  arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> index a2cf215..fdd187c 100644
> --- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> +++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> @@ -95,6 +95,11 @@
>  
>  		internal-regs {
>  
> +			rtc@10300 {
> +				/* No crystal connected to the internal RTC */
> +				status = "disabled";
> +			};
> +
>  			/* J10: VCC, NC, RX, NC, TX, GND  */
>  			serial@12000 {
>  				status = "okay";
> 


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH] ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC
@ 2015-05-25 13:18   ` Gregory CLEMENT
  0 siblings, 0 replies; 4+ messages in thread
From: Gregory CLEMENT @ 2015-05-25 13:18 UTC (permalink / raw)
  To: linux-arm-kernel

Hi Imre,

On 20/05/2015 23:22, Imre Kaloz wrote:
> The Mamba (like the OpenBlocks AX3) doesn't have a crystal
> connected to the internal RTC - let's prevent the kernel from
> probing it.
> 

applied on mvebu/fixes

Thanks,

Gregory


> Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
> Cc: <stable@vger.kernel.org> # v4.0 +
> ---
>  arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> index a2cf215..fdd187c 100644
> --- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> +++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> @@ -95,6 +95,11 @@
>  
>  		internal-regs {
>  
> +			rtc at 10300 {
> +				/* No crystal connected to the internal RTC */
> +				status = "disabled";
> +			};
> +
>  			/* J10: VCC, NC, RX, NC, TX, GND  */
>  			serial at 12000 {
>  				status = "okay";
> 


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2015-05-25 13:18 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-05-20 21:22 [PATCH] ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC Imre Kaloz
2015-05-20 21:22 ` Imre Kaloz
2015-05-25 13:18 ` Gregory CLEMENT
2015-05-25 13:18   ` Gregory CLEMENT

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