[OpenWrt-Devel] [PATCH 4/6] bcm53xx: increase nvram allocation size to 64k

[Rafał Miłecki]

On 2 April 2015 at 11:57, Ian Kent <raven at themaw.net> wrote:
> On Thu, 2015-04-02 at 17:47 +0800, Ian Kent wrote:
>> On Thu, 2015-04-02 at 09:45 +0200, Rafał Miłecki wrote:
>> > On 10 March 2015 at 04:30, Ian Kent <raven at themaw.net> wrote:
>> > > The R8000 nvram is larger than 32k, increase nvram allocation to
>> > > 64k to accomadate.
>> >
>> > I handled this by sending nvram.c patch for mainline:
>> > http://patchwork.linux-mips.org/patch/9651/
>> > And backporting all changes to bcm53xx:
>> > https://dev.openwrt.org/changeset/45204/
>>
>> OK, help me out with this patch.
>>
>> I thought it was necessary to calculate a from starting offset based on
>> mtd size and nvram size since the code assumes the nvram partition might
>> not start at 0 whereas in the patch it looks like a 0 starting offset is
>> assumed?
>>
>> When I was working on this area of code, IIRC, the from offset was
>> actually not 0.
>
> Mmm .. so that's probably wrong since ...
>
>  mtd = get_mtd_device_nm("nvram");
>
> Should get us the start of the nvram partition at offset 0.

That's right, if something doesn't work for you, let me know.

-- 
Rafał
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