[OpenWrt-Devel] [PATCH 3/9] kernel: Allow ubi autoattach to run on NOR flash

Imre Kaloz kaloz at openwrt.org
Sun Jan 25 14:50:32 EST 2015


On Sun, 25 Jan 2015 18:06:03 +0100, Maxime Ripard  
<maxime.ripard at free-electrons.com> wrote:

>> Sure, but please implement UBI on NOR as a generic solution.
> What do you mean? It already works quite well (with that patch applied
> and the NOR sub-profile), so I'm not sure I have to implement
> anything, be it generic or not.

I've meant to make it generic, like the squashfs/ubfs/etc images so other  
targets can use it, too.

>> >>The A385-RD board has a much smaller SPI-NOR (16MB) though, so we
>> >>could use jffs2 there, but I wasn't seeing much point at creating a
>> >>whole new layout just for a single board.
>> >
>> >I'll switch this one to JFFS2 and the MTDSPLIT framework. Are you
>> >satisfied with the NAND support? Just to know if I can continue to
>> >model the NOR stuff on that.
>> As I've written in the other mail, I'm mostly happy with it, but please  
>> make
>> sure you don't hardcode available profiles but parse them.
> If we don't plan on supporting building single sub-profiles like
> ar71xx, I'm not even sure that we need to parse anything, we can just
> loop over the sub-profiles list in any case.

I think supporting that could be handy so users (and people at Marvell)  
can just build what they want.

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