[PATCH v2 3/9] mtd: print out the cell information for nand chip

Huang Shijie shijie8 at gmail.com
Sun Aug 25 12:04:15 EDT 2013


On Sat, Aug 24, 2013 at 06:02:16PM -0300, Ezequiel Garcia wrote:
> On Fri, Aug 23, 2013 at 10:58:21PM -0700, Brian Norris wrote:
> > On Mon, Aug 19, 2013 at 10:31:12AM +0800, Huang Shijie wrote:
> > > Print out the cell information for nand chip.
> > > 
> > > Signed-off-by: Huang Shijie <b32955 at freescale.com>
> > > ---
> > >  drivers/mtd/nand/nand_base.c |    5 +++--
> > >  1 files changed, 3 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
> > > index 69c4b25..8b487d5 100644
> > > --- a/drivers/mtd/nand/nand_base.c
> > > +++ b/drivers/mtd/nand/nand_base.c
> > > @@ -3454,10 +3454,11 @@ ident_done:
> > >  		chip->cmdfunc = nand_command_lp;
> > >  
> > >  	pr_info("NAND device: Manufacturer ID: 0x%02x, Chip ID: 0x%02x (%s %s),"
> > > -		" %dMiB, page size: %d, OOB size: %d\n",
> > > +		" %dMiB, %s, page size: %d, OOB size: %d\n",
> > >  		*maf_id, *dev_id, nand_manuf_ids[maf_idx].name,
> > >  		chip->onfi_version ? chip->onfi_params.model : type->name,
> > > -		(int)(chip->chipsize >> 20), mtd->writesize, mtd->oobsize);
> > > +		(int)(chip->chipsize >> 20), nand_is_slc(chip) ? "SLC" : "MLC",
> > > +		mtd->writesize, mtd->oobsize);
> > 
> > This message is getting mighty long (approx. 120 characters when
> > printed). Are you sure we need all this? Maybe split into two separate
> > pr_info's sometime. But I'm OK with merging this for now.
> > 
> 
> Hm.. well, although it's still a two-line message, I also don't like
> to see this growing.
> 
> I think we should try to answer: why would anyone want to see any of
> this when the kernel boots?
> 
> So maybe we should pr_info only the most important information,

But what information can be regarded as the most important?

if you think the cell type information is not so important, i can
abandon this patch.

thanks
Huang Shijie




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