Re: [PATCH v5 19/23] mtd: nand: denali: fix raw and oob accessors for syndrome page layout

[Boris Brezillon]

On Wed,  7 Jun 2017 20:52:28 +0900
Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote:

>  
> +static void denali_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
> +{
> +	struct denali_nand_info *denali = mtd_to_denali(mtd);
> +	int i;
> +
> +	iowrite32(MODE_11 | BANK(denali->flash_bank) | 2, denali->flash_mem);

What is this '| 2'? You seem to use it a lot. Can you define a macro
and maybe add a comment if the macro name is not self-descriptive.