Re: [PATCH v5 2/2] mtd: rawnand: Add NAND controller support on Intel LGM SoC

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On Thu,  7 May 2020 08:15:37 +0800
"Ramuthevar,Vadivel MuruganX"
<vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx> wrote:

> +	reg = readl(ebu_host->ebu + EBU_ADDR_SEL(ebu_host->cs_num));
> +	writel(reg | EBU_ADDR_MASK(5) | EBU_ADDR_SEL_REGEN,
> +	       ebu_host->ebu + EBU_ADDR_SEL(ebu_host->cs_num));

Seriously, did you really think I would not notice what you're doing
here? You're reading the previous value which either contains a default
mapping or has the mapping set by the bootloader, and write it back to
the register along with a new mask and the REGEN bit set (which
BTW is wrong since you don't mask out other fields before updating
them). This confirms that this Core -> FPI address translation exists
and has to be set properly, so please stop lying about that.

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