Re: [PATCH v5 24/28] mtd: rawnand: toshiba: Implement ->choose_data_interface() for TC58NVG0S3E

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Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> wrote on Wed, 27 May
2020 00:02:03 +0200:

> On Tue, 26 May 2020 21:17:21 +0200
> Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote:
> 
> > This chip supports ONFI SDR timing mode 2, implement the new hook to
> > advertize it.
> > 
> > Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> > ---
> >  drivers/mtd/nand/raw/nand_ids.c     |  3 +--
> >  drivers/mtd/nand/raw/nand_toshiba.c | 21 +++++++++++++++++++++
> >  2 files changed, 22 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/mtd/nand/raw/nand_ids.c b/drivers/mtd/nand/raw/nand_ids.c
> > index e0dbc2e316c7..c729a8bc895d 100644
> > --- a/drivers/mtd/nand/raw/nand_ids.c
> > +++ b/drivers/mtd/nand/raw/nand_ids.c
> > @@ -28,8 +28,7 @@ struct nand_flash_dev nand_flash_ids[] = {
> >  	 */
> >  	{"TC58NVG0S3E 1G 3.3V 8-bit",
> >  		{ .id = {0x98, 0xd1, 0x90, 0x15, 0x76, 0x14, 0x01, 0x00} },
> > -		  SZ_2K, SZ_128, SZ_128K, 0, 8, 64, NAND_ECC_INFO(1, SZ_512),
> > -		  2 },
> > +		  SZ_2K, SZ_128, SZ_128K, 0, 8, 64, NAND_ECC_INFO(1, SZ_512), },
> >  	{"TC58NVG2S0F 4G 3.3V 8-bit",
> >  		{ .id = {0x98, 0xdc, 0x90, 0x26, 0x76, 0x15, 0x01, 0x08} },
> >  		  SZ_4K, SZ_512, SZ_256K, 0, 8, 224, NAND_ECC_INFO(4, SZ_512) },
> > diff --git a/drivers/mtd/nand/raw/nand_toshiba.c b/drivers/mtd/nand/raw/nand_toshiba.c
> > index fe2bc20972a9..860ae0c13063 100644
> > --- a/drivers/mtd/nand/raw/nand_toshiba.c
> > +++ b/drivers/mtd/nand/raw/nand_toshiba.c
> > @@ -206,6 +206,18 @@ tc58teg5dclta00_choose_data_interface(struct nand_chip *chip,
> >  	return nand_choose_best_sdr_timings(chip, iface, NULL);
> >  }
> >  
> > +static int tc58nvg0s3e_choose_data_interface(struct nand_chip *chip,
> > +					     struct nand_data_interface *iface)
> > +{
> > +	int ret;
> > +
> > +	ret = onfi_fill_data_interface(chip, iface, NAND_SDR_IFACE, 2);
> > +	if (ret)
> > +		return ret;
> > +
> > +	return nand_choose_best_sdr_timings(chip, iface, NULL);
> > +}
> > +
> >  static int tc58teg5dclta00_init(struct nand_chip *chip)
> >  {
> >  	struct mtd_info *mtd = nand_to_mtd(chip);
> > @@ -217,6 +229,13 @@ static int tc58teg5dclta00_init(struct nand_chip *chip)
> >  	return 0;
> >  }
> >  
> > +static int tc58nvg0s3e_init(struct nand_chip *chip)
> > +{
> > +	chip->ops.choose_data_interface = &tc58nvg0s3e_choose_data_interface;
> > +
> > +	return 0;
> > +}
> > +
> >  static int toshiba_nand_init(struct nand_chip *chip)
> >  {
> >  	if (nand_is_slc(chip))
> > @@ -229,6 +248,8 @@ static int toshiba_nand_init(struct nand_chip *chip)
> >  
> >  	if (!strcmp("TC58TEG5DCLTA00", chip->parameters.model))
> >  		tc58teg5dclta00_init(chip);
> > +	if (!strcmp("TC58NVG0S3E", chip->parameters.model))  
> 
> The model won't match "TC58NVG0S3E", unless you use strncmp().

I definitely will.

> 
> > +		tc58nvg0s3e_init(chip);
> >  
> >  	return 0;
> >  }  
> 


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