diff mbox

ARM: DT: imx6qdl: fix can clocks

Message ID 1385558060-20314-1-git-send-email-list-09_linux_arm@tqsc.de (mailing list archive)
State New, archived
Headers show

Commit Message

Markus Niebel Nov. 27, 2013, 1:14 p.m. UTC
From: Markus Niebel <Markus.Niebel@tqs.de>

per and ipg clock numbers are exchanged. This leads to
wrong bitrate calculation.

Signed-off-by: Markus Niebel <Markus.Niebel@tqs.de>
---
 arch/arm/boot/dts/imx6qdl.dtsi |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Lucas Stach Nov. 27, 2013, 1:08 p.m. UTC | #1
Am Mittwoch, den 27.11.2013, 14:14 +0100 schrieb Markus Niebel:
> From: Markus Niebel <Markus.Niebel@tqs.de>
> 
> per and ipg clock numbers are exchanged. This leads to
> wrong bitrate calculation.
> 
NACK

According to the clock driver clock numbers are IPG->PER.
I think this is the same problem we encountered on i.MX5 and is fixed
with commit "can: flexcan: use correct clock as base for bit rate
calculation"

> Signed-off-by: Markus Niebel <Markus.Niebel@tqs.de>
> ---
>  arch/arm/boot/dts/imx6qdl.dtsi |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
> index 59154dc..797f007 100644
> --- a/arch/arm/boot/dts/imx6qdl.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> @@ -329,7 +329,7 @@
>  				compatible = "fsl,imx6q-flexcan";
>  				reg = <0x02090000 0x4000>;
>  				interrupts = <0 110 0x04>;
> -				clocks = <&clks 108>, <&clks 109>;
> +				clocks = <&clks 109>, <&clks 108>;
>  				clock-names = "ipg", "per";
>  			};
>  
> @@ -337,7 +337,7 @@
>  				compatible = "fsl,imx6q-flexcan";
>  				reg = <0x02094000 0x4000>;
>  				interrupts = <0 111 0x04>;
> -				clocks = <&clks 110>, <&clks 111>;
> +				clocks = <&clks 111>, <&clks 110>;
>  				clock-names = "ipg", "per";
>  			};
>
Markus Niebel Nov. 27, 2013, 2:09 p.m. UTC | #2
Am 27.11.2013 14:08, wrote Lucas Stach:
> Am Mittwoch, den 27.11.2013, 14:14 +0100 schrieb Markus Niebel:
>> From: Markus Niebel <Markus.Niebel@tqs.de>
>>
>> per and ipg clock numbers are exchanged. This leads to
>> wrong bitrate calculation.
>>
> NACK
> 
> According to the clock driver clock numbers are IPG->PER.
> I think this is the same problem we encountered on i.MX5 and is fixed
> with commit "can: flexcan: use correct clock as base for bit rate
> calculation"
> 

Sorry for the noise, was not aware of this patch. You are right.

>> Signed-off-by: Markus Niebel <Markus.Niebel@tqs.de>
>> ---
>>  arch/arm/boot/dts/imx6qdl.dtsi |    4 ++--
>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
>> index 59154dc..797f007 100644
>> --- a/arch/arm/boot/dts/imx6qdl.dtsi
>> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
>> @@ -329,7 +329,7 @@
>>  				compatible = "fsl,imx6q-flexcan";
>>  				reg = <0x02090000 0x4000>;
>>  				interrupts = <0 110 0x04>;
>> -				clocks = <&clks 108>, <&clks 109>;
>> +				clocks = <&clks 109>, <&clks 108>;
>>  				clock-names = "ipg", "per";
>>  			};
>>  
>> @@ -337,7 +337,7 @@
>>  				compatible = "fsl,imx6q-flexcan";
>>  				reg = <0x02094000 0x4000>;
>>  				interrupts = <0 111 0x04>;
>> -				clocks = <&clks 110>, <&clks 111>;
>> +				clocks = <&clks 111>, <&clks 110>;
>>  				clock-names = "ipg", "per";
>>  			};
>>  
>
diff mbox

Patch

diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 59154dc..797f007 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -329,7 +329,7 @@ 
 				compatible = "fsl,imx6q-flexcan";
 				reg = <0x02090000 0x4000>;
 				interrupts = <0 110 0x04>;
-				clocks = <&clks 108>, <&clks 109>;
+				clocks = <&clks 109>, <&clks 108>;
 				clock-names = "ipg", "per";
 			};
 
@@ -337,7 +337,7 @@ 
 				compatible = "fsl,imx6q-flexcan";
 				reg = <0x02094000 0x4000>;
 				interrupts = <0 111 0x04>;
-				clocks = <&clks 110>, <&clks 111>;
+				clocks = <&clks 111>, <&clks 110>;
 				clock-names = "ipg", "per";
 			};