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Groups > linux.kernel > #1361964 > unrolled thread

Re: [RESEND RFC 3/3] nvmem: Add 'nvmem-composite' driver

Started byAndrey Smirnov <andrew.smirnov@gmail.com>
First post2016-03-21 17:20 +0100
Last post2016-03-21 18:00 +0100
Articles 2 — 2 participants

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  Re: [RESEND RFC 3/3] nvmem: Add 'nvmem-composite' driver Andrey Smirnov <andrew.smirnov@gmail.com> - 2016-03-21 17:20 +0100
    Re: [RESEND RFC 3/3] nvmem: Add 'nvmem-composite' driver Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2016-03-21 18:00 +0100

#1361964 — Re: [RESEND RFC 3/3] nvmem: Add 'nvmem-composite' driver

FromAndrey Smirnov <andrew.smirnov@gmail.com>
Date2016-03-21 17:20 +0100
SubjectRe: [RESEND RFC 3/3] nvmem: Add 'nvmem-composite' driver
Message-ID<rfaIF-8aj-5@gated-at.bofh.it>
>> a-node {
>>           nvmem-cells = <&cell_a &cell_b>, ????;
>>           nvmem-cell-names = "some-data", "more-data";
>> };
>>
> Should have replied you long back :-)

No worries :-)

>>
>> and I want "more-data" to reference only one phandle, how would this be
>> handled?
>>
> yes this would fail.
>
> The device tree compiler would concatenate all the cells and we have no
> means to know where did "more-data" starts.
>
> sounds like composite driver is the way forward.

What's your preference on "separate driver" vs. "part of the NVMEM
framework"? Should I keep it as a separate driver or try to fold it
into NVMEM core?

Thanks,
Andrey

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#1361994

FromSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date2016-03-21 18:00 +0100
Message-ID<rfblo-8qY-13@gated-at.bofh.it>
In reply to#1361964

On 21/03/16 16:12, Andrey Smirnov wrote:
>>> a-node {
>>>            nvmem-cells = <&cell_a &cell_b>, ????;
>>>            nvmem-cell-names = "some-data", "more-data";
>>> };
>>>
>> Should have replied you long back :-)
>
> No worries :-)
>
>>>
>>> and I want "more-data" to reference only one phandle, how would this be
>>> handled?
>>>
>> yes this would fail.
>>
>> The device tree compiler would concatenate all the cells and we have no
>> means to know where did "more-data" starts.
>>
>> sounds like composite driver is the way forward.
>
> What's your preference on "separate driver" vs. "part of the NVMEM
> framework"? Should I keep it as a separate driver or try to fold it
> into NVMEM core?

It does not make sense to have this driver as a separate nvmem provider, 
can you fold it in the nvmem core itself for now.


Thanks,
srini
>
> Thanks,
> Andrey
>

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