RE: [PATCH v1 2/5] mtd: rawnand: meson: replace GENMASK() macro with define

[David Laight]

From: Arseniy Krasnov
> Sent: 12 April 2023 07:17
> Subject: [PATCH v1 2/5] mtd: rawnand: meson: replace GENMASK() macro with define
> 
...
>  		len = mtd->writesize + mtd->oobsize;
> -		cmd = (len & GENMASK(13, 0)) | scrambler | DMA_DIR(dir);
> +		cmd = (len & NFC_CMD_RAW_LEN) | scrambler | DMA_DIR(dir);
>  		writel(cmd, nfc->reg_base + NFC_REG_CMD);

What is the point of the mask?
If the length is too big it just generates a different
'hard to debug' error.
If the length can't be too bit there is no point masking it.

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)