Messages in this thread | | | Date | Fri, 12 Sep 2014 08:40:47 +0800 | From | Huang Shijie <> | Subject | Re: [PATCH] mtd: nand: gpmi: add proper raw access support |
| |
On Thu, Sep 11, 2014 at 04:45:36PM +0200, Boris BREZILLON wrote: > On Thu, 11 Sep 2014 22:29:32 +0800 > Huang Shijie <shijie8@gmail.com> wrote: > > > On Wed, Sep 10, 2014 at 10:55:39AM +0200, Boris BREZILLON wrote: > > +static int gpmi_ecc_read_page_raw(struct mtd_info *mtd, > > > + struct nand_chip *chip, uint8_t *buf, > > > + int oob_required, int page) > > > +{ > > > + struct gpmi_nand_data *this = chip->priv; > > > + struct bch_geometry *nfc_geo = &this->bch_geometry; > > > + int eccsize = nfc_geo->ecc_chunk_size; > > > + int eccbytes = DIV_ROUND_UP(nfc_geo->ecc_strength * nfc_geo->gf_len, > > > + 8); > > > > In actually, the ECC can be _NOT_ bytes aligned. > > you should not round up to byte. > > You mean, on the NAND storage ? That would be weird, but I'll check.
yes. it is weird.
thanks Huang Shijie
| |