Thread (6 messages) 6 messages, 2 authors, 2015-07-29

Re: [PATCH v2] powerpc/dts: Add and fix 1588 timer node for eTSEC

From: Scott Wood <hidden>
Date: 2015-07-16 20:53:59
Also in: lkml

On Wed, 2015-07-15 at 21:37 -0500, Lu Yangbo-B47093 wrote:
Any comments?
Thanks.
Sorry, I must have missed this on my last time through the patch queue.  I 
see you've decimalized the fiper and max-adj properties, which is good... but 
does it really make sense for tmr-add?  I'm not familiar with what this value 
represents, but the numbers look more natural as hex (e.g. 0xaaaaaaab versus 
2863311531).
quoted
diff --git a/arch/powerpc/boot/dts/p2020rdb-pc.dtsi
b/arch/powerpc/boot/dts/p2020rdb-pc.dtsi
index c21d1c7..363172d 100644
--- a/arch/powerpc/boot/dts/p2020rdb-pc.dtsi
+++ b/arch/powerpc/boot/dts/p2020rdb-pc.dtsi
@@ -215,12 +215,12 @@
    };

     ptp_clock@24e00{
-           fsl,tclk-period = <5>;
-           fsl,tmr-prsc = <200>;
-           fsl,tmr-add = <0xCCCCCCCD>;
-           fsl,tmr-fiper1 = <0x3B9AC9FB>;
-           fsl,tmr-fiper2 = <0x0001869B>;
-           fsl,max-adj = <249999999>;
+           fsl,tclk-period = <5>;
+           fsl,tmr-prsc    = <2>;
+           fsl,tmr-add     = <2863311531>;
+           fsl,tmr-fiper1  = <999999995>;
+           fsl,tmr-fiper2  = <99990>;
+           fsl,max-adj     = <299999999>;
    };
And here, you're changing the value of fsl,tmr-add and fsl,max-adj.  Why?

-Scott
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