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From: Huang Shijie <b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: Marek Vasut <marex-ynQEQJNshbs@public.gmane.org>
Cc: <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	<computersforpeace-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	<linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	<linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	<linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v1 1/7] mtd: spi-nor: fix the wrong dummy value
Date: Thu, 24 Apr 2014 12:50:29 +0800	[thread overview]
Message-ID: <20140424045027.GA29664@localhost> (raw)
In-Reply-To: <201404232141.27005.marex-ynQEQJNshbs@public.gmane.org>

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-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> 
> 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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  parent reply	other threads:[~2014-04-24  4:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <a>
2014-04-23 10:16 ` [PATCH v1 0/7] mtd: spi-nor: Add the DDR quad read support Huang Shijie
2014-04-23 10:16 ` [PATCH v1 1/7] mtd: spi-nor: fix the wrong dummy value Huang Shijie
2014-04-23 19:41   ` Marek Vasut
     [not found]     ` <201404232141.27005.marex-ynQEQJNshbs@public.gmane.org>
2014-04-24  4:50       ` Huang Shijie [this message]
2014-04-24 13:45         ` Marek Vasut
2014-04-23 10:16 ` [PATCH v1 2/7] mtd: spi-nor: add DDR quad read support Huang Shijie
     [not found]   ` <1398248215-26768-3-git-send-email-b32955-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-04-23 19:45     ` Marek Vasut
2014-04-24  4:53       ` Huang Shijie
2014-04-24 13:43         ` Marek Vasut
     [not found]           ` <201404241543.51752.marex-ynQEQJNshbs@public.gmane.org>
2014-04-24 14:26             ` Huang Shijie
2014-04-23 10:16 ` [PATCH v1 3/7] Documentation: mtd: add a new document for SPI NOR flash Huang Shijie
2014-04-23 10:16 ` [PATCH v1 4/7] Documentation: fsl-quadspi: update the document Huang Shijie
2014-04-23 10:16 ` [PATCH v1 5/7] mtd: fsl-quadspi: get the dummy cycles for DDR Quad read from the DT property Huang Shijie
2014-04-23 19:48   ` Marek Vasut
     [not found]     ` <201404232148.51034.marex-ynQEQJNshbs@public.gmane.org>
2014-04-24  4:58       ` Huang Shijie
2014-04-24 13:41         ` Marek Vasut
2014-04-24 14:27           ` Huang Shijie
2014-04-23 10:16 ` [PATCH v1 6/7] mtd: fsl-quadspi: use the information stored in spi-nor{} Huang Shijie
2014-04-23 10:16 ` [PATCH v1 7/7] mtd: fsl-quadspi: add the DDR quad read support Huang Shijie

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