Re: [PATCH v1] mtd: parsers: ofpart: Fix parsing when size-cells is 0

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 1/5/23 13:47, Francesco Dolcini wrote:
Hello Miquel,

Hi,

[...]

Let's move forward with this. Let's assume my fears are baseless. We
might consider the situation where someone tries to hide the partitions
by setting #size-cell to 0 even wronger and too unlikely. Hopefully we
will not break any other existing setups by applying an always-on fix.

Nice, good!

Indeed

I would still like to see U-Boot partitions handling evolve, at least:
- fix #size-cells in fdt_fixup_mtd()
- avoid the fdt_fixup_mtd() call from Collibri boards (ie. an example
   that can be followed by the other users)

Fine, I can do it.

However I am just not 100% sure about your proposal, I wonder if we
should just deprecate this function or we should fix it.

I would say fix it.

The exact end result will depend on the discussion with the U-Boot
folks, but I absolutely agree that the current situation needs to
change. I'll keep you in CC on those patches.

On Linux side let's fix #size-cells like you proposed without filtering
against a list of compatibles. We however need to improve the
heuristics:
- Do it only when there are partitions declared within a NAND
   controller node.
- Change the warning to avoid mentioning backward compatibility, just
   mention this is utterly wrong and thus the value will be set to 1
   instead of 0.
- Mention in the comment above this only works on systems with <4GiB
   chips.
If you think about other conditions please feel free to add them.

Do you concur?
Yes, I do agree.

Same here, agreed, thanks.

[...]



[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux