Hello,
Masahiro Yamada <[email protected]> wrote on Thu, 13 Sep
2018 14:58:49 +0900:
> I thought the read-back of the DMA_ENABLE register was unnecessary
> (at least it is working on my boards), then deleted it in commit
> 586a2c52909d ("mtd: nand: denali: squash denali_enable_dma() helper
> into caller"). Sorry, I was wrong - it caused a timing issue on
> Cyclone5 SoCFPGAs.
>
> Revive the register read-back, commenting why this is necessary.
>
> Fixes: 586a2c52909d ("mtd: nand: denali: squash denali_enable_dma() helper
> into caller")
> Reported-by: Steffen Trumtrar <[email protected]>
> Signed-off-by: Masahiro Yamada <[email protected]>
Reviewed-by: Miquel Raynal <[email protected]>
Thanks,
Miquèl
