[REGRESSION] [PATCH 1/1] mtd: mtdpart: Support MTD_SIZE_REMAINING with unallocated memory area

[Alexander Stein]

Hi Francesco,

Am Dienstag, 22. April 2025, 12:37:32 CEST schrieb Francesco Dolcini:
> Hello Tom, Alexander
> 
> On Thu, Feb 20, 2025 at 03:58:07PM +0100, Alexander Stein wrote:
> > If there is an unallocated memory area before the last, filling parting
> > the size calculation for MTD_SIZE_REMAINING does not take this hole
> > into account.
> > Fix this by calculating the remaining size just based on total size
> > and partition offset.
> > 
> > Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
> 
> This change introduced a regression on colibri imx7 and imx6ull.
> 
> ```
> Booting from NAND...
> Partition size must be a multiple of 2048
> Could not parse device nand0
> Failed parsing MTD partitions from mtdparts!
> Partition ubi not found!
> ```
> 
> Reverting commit 1ca97ee90392 ("mtd: mtdpart: Support MTD_SIZE_REMAINING
> with unallocated memory area") on top of current master fixes the issue.
> 
> Any suggestion? I have not looked at the code, I just did a git bisect.

How does your mtdparts look like?

Best regards
Alexander
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