[U-Boot] [PATCH] mtd: nand: denali: fix unaligned cache operation warnings on ARMv7 SoCs

Tom Rini trini at konsulko.com
Mon Sep 10 21:49:19 UTC 2018


On Mon, Sep 10, 2018 at 11:17:30AM +0900, Masahiro Yamada wrote:

> If the OOB size is not multiple of the cache line size, the ARMv7
> cache operation still warns "Misaligned operation at range".
> 
> The real cache coherency problem was fixed by commit e3332e1a1a04
> ("Make kmalloc'ed memory really DMA-safe").  Now it is the matter
> of the warning messages.
> 
> => nand info
> 
> Device 0: nand0, sector size 256 KiB
>   Page size       4096 b
>   OOB size         224 b
>   Erase size    262144 b
>   subpagesize     4096 b
>   options     0x00104200
>   bbt options 0x00060000
> => nand dump 0
> CACHE: Misaligned operation at range [9fb15280, 9fb16360]
> CACHE: Misaligned operation at range [9fb15280, 9fb16360]
> CACHE: Misaligned operation at range [9fb15280, 9fb16360]
> CACHE: Misaligned operation at range [9fb15280, 9fb16360]
>   ...
> 
> Reported-by: Marek Vasut <marex at denx.de>
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>

After re-wording the commit message based on Marek's email, applied to
u-boot/master, thanks!

-- 
Tom
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