[PATCH v1 1/7] mtd: spi-nor: fix the wrong dummy value

Huang Shijie b32955 at freescale.com
Wed Apr 23 21:50:29 PDT 2014


On Wed, Apr 23, 2014 at 09:41:26PM +0200, Marek Vasut wrote:
> On Wednesday, April 23, 2014 at 12:16:49 PM, Huang Shijie wrote:
> > For the DDR Quad read, the dummy cycles maybe 3 or 6 which is less then 8.
> > The dummy cycles is actually 8 for SPI fast/dual/quad read.
> > 
> > This patch makes preparations for the DDR quad read, it fixes the wrong
> > dummy value for both the spi-nor.c and m25p80.c.
> > 
> > Signed-off-by: Huang Shijie <b32955 at freescale.com>
> 
> This patch is actually V2, right ?
yes.

I mentioned it in the cover letter. Since other patches are the V1.
I did not change it to v2.
> 
> > ---
> >  drivers/mtd/devices/m25p80.c  |    5 ++++-
> >  drivers/mtd/spi-nor/spi-nor.c |    2 +-
> >  2 files changed, 5 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
> > index 1557d8f..693e25f 100644
> > --- a/drivers/mtd/devices/m25p80.c
> > +++ b/drivers/mtd/devices/m25p80.c
> > @@ -128,9 +128,12 @@ static int m25p80_read(struct spi_nor *nor, loff_t
> > from, size_t len, struct spi_device *spi = flash->spi;
> >  	struct spi_transfer t[2];
> >  	struct spi_message m;
> > -	int dummy = nor->read_dummy;
> > +	unsigned int dummy = nor->read_dummy;
> >  	int ret;
> > 
> > +	/* convert the dummy cycles to the number of byte */
> 
> 'bytes', plural ...
I will change it in the next version.

thanks.

Huang Shijie



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