[U-Boot] [PATCH V3 08/11] mtd: nand: supress 'unknown NAND' warning if no nand is found
Paulraj, Sandeep
s-paulraj at ti.com
Wed Sep 8 18:32:41 CEST 2010
>
> On Wed, 8 Sep 2010 05:53:57 -0700
> Steve Sakoman <steve at sakoman.com> wrote:
>
> > This printk was added recently and results in ugly output on systems
> > with no NAND:
> >
> > NAND: nand_get_flash_type: unknown NAND device: Manufacturer ID: 0x00,
> Chip ID: 0x00 0 MiB
> >
> > instead of:
> >
> > NAND: 0 MiB
> >
> > Signed-off-by: Steve Sakoman <steve at sakoman.com>
> > ---
> > drivers/mtd/nand/nand_base.c | 9 ++++++---
> > 1 files changed, 6 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
> > index ed1c9c9..7d17846 100644
> > --- a/drivers/mtd/nand/nand_base.c
> > +++ b/drivers/mtd/nand/nand_base.c
> > @@ -2653,9 +2653,12 @@ static struct nand_flash_dev
> *nand_get_flash_type(struct mtd_info *mtd,
> > }
> >
> > if (!type) {
> > - printk(KERN_INFO "%s: unknown NAND device: Manufacturer ID:"
> > - " 0x%02x, Chip ID: 0x%02x\n", __func__,
> > - *maf_id, dev_id);
> > + /* supress warning if there is no nand */
> > + if (*maf_id != 0x00 && *maf_id != 0xff &&
> > + dev_id != 0x00 && dev_id != 0xff)
> > + printk(KERN_INFO "%s: unknown NAND device: "
> > + "Manufacturer ID: 0x%02x, Chip ID: 0x%02x\n",
> > + __func__, *maf_id, dev_id);
> > return ERR_PTR(-ENODEV);
> > }
> >
>
> Acked-by: Scott Wood <scottwood at freescale.com>
>
> -Scott
Thanks Scott,
I'll add it to my tree
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