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* [U-Boot] [PATCH V3 08/11] mtd: nand: supress 'unknown NAND' warning if no nand is found
@ 2010-09-08 12:53 Steve Sakoman
  2010-09-08 16:12 ` Scott Wood
  0 siblings, 1 reply; 3+ messages in thread
From: Steve Sakoman @ 2010-09-08 12:53 UTC (permalink / raw)
  To: u-boot

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@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);
 	}
 
-- 
1.7.0.4

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [U-Boot] [PATCH V3 08/11] mtd: nand: supress 'unknown NAND' warning if no nand is found
  2010-09-08 12:53 [U-Boot] [PATCH V3 08/11] mtd: nand: supress 'unknown NAND' warning if no nand is found Steve Sakoman
@ 2010-09-08 16:12 ` Scott Wood
  2010-09-08 16:32   ` Paulraj, Sandeep
  0 siblings, 1 reply; 3+ messages in thread
From: Scott Wood @ 2010-09-08 16:12 UTC (permalink / raw)
  To: u-boot

On Wed, 8 Sep 2010 05:53:57 -0700
Steve Sakoman <steve@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@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@freescale.com>

-Scott

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [U-Boot] [PATCH V3 08/11] mtd: nand: supress 'unknown NAND' warning if no nand is found
  2010-09-08 16:12 ` Scott Wood
@ 2010-09-08 16:32   ` Paulraj, Sandeep
  0 siblings, 0 replies; 3+ messages in thread
From: Paulraj, Sandeep @ 2010-09-08 16:32 UTC (permalink / raw)
  To: u-boot



> 
> On Wed, 8 Sep 2010 05:53:57 -0700
> Steve Sakoman <steve@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@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@freescale.com>
> 
> -Scott

Thanks Scott,

I'll add it to my tree

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2010-09-08 16:32 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2010-09-08 12:53 [U-Boot] [PATCH V3 08/11] mtd: nand: supress 'unknown NAND' warning if no nand is found Steve Sakoman
2010-09-08 16:12 ` Scott Wood
2010-09-08 16:32   ` Paulraj, Sandeep

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