[PATCH v1] mtd: spinand: add support for FORESEE F35SQA002G

Miquel Raynal miquel.raynal at bootlin.com
Mon Oct 2 05:09:53 PDT 2023


Hi Martin,

mmkurbanov at salutedevices.com wrote on Mon, 2 Oct 2023 13:18:18 +0300:

> Hi Miquel,
> Thanks for your review.
> 
> On 02.10.2023 12:44, Miquel Raynal wrote:
> > Hi Martin,  
> >> +static int f35sqa002g_ooblayout_free(struct mtd_info *mtd, int section,
> >> +				     struct mtd_oob_region *region)
> >> +{
> >> +	/* XXX: It is not possible to partially write to this OOB area, as both
> >> +	 * the main and OOB areas are protected by ECC. The user needs to
> >> +	 * program both the main area and OOB area at one programming time,
> >> +	 * so that the ECC parity code can be calculated properly.
> >> +	 */  
> > 
> > Is this comment really needed? I believe it could be dropped, unless
> > you are really experiencing strange subpage write attempts?  
> 
> If you write separately to the main area and the OOB area. This is the
> case with many SPI NAND chips, I agree that this comment can be dropped.
> 

All NAND chips have this limitation actually. I guess you can just get
rid of the comment. The rest looks ok.

Thanks, Miquèl



More information about the linux-mtd mailing list