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Date: Sun, 11 Nov 2012 22:57:08 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Rob Herring <robherring2@...il.com>
Cc: rob.herring@...xeda.com, grant.likely@...retlab.ca,
linaro-dev@...ts.linaro.org, andriy.shevchenko@...el.com,
patches@...aro.org, devicetree-discuss@...ts.ozlabs.org,
spear-devel@...t.st.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH Resend V2] dt: add helper function to read u8 & u16
variables & arrays
On 11 November 2012 19:42, Rob Herring <robherring2@...il.com> wrote:
> On 11/06/2012 10:22 PM, viresh kumar wrote:
>> cluster0: cluster@0 {
>> + data1 = <0x50 0x60 0x70>;
>> + data2 = <0x5000 0x6000 0x7000>;
>> + data3 = <0x50000000 0x60000000 0x70000000>;
>
> So there is a mismatch in our assumptions. You are just truncating
> 32-bit values. I assumed you were using the 8 and 16 bit sizes that are
> now supported in dts. I don't think we should just truncate values
> blindly. We have support for specifying 8 and 16 values now so you
> should use that and define that as part of a binding.
Sorry couldn't get your point at all :(
What did you mean by "truncating 32 bit values" and how should we
tell via DT, that the value passed is 8 bit, 16 bit or 32 bit?
--
viresh
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