From: David Woodhouse <dwmw2@infradead.org>
To: Chen Gong-B11801 <G.Chen@freescale.com>
Cc: linux-mtd@lists.infradead.org
Subject: RE: [PATCH V2] [MTD] m25p80.c extended jedec support
Date: Mon, 15 Sep 2008 23:51:54 -0700 [thread overview]
Message-ID: <1221547914.3106.56.camel@macbook.infradead.org> (raw)
In-Reply-To: <C3C4D3116BA1F84989E53FCF1F5051870D29BB@zch01exm21.fsl.freescale.net>
On Tue, 2008-09-16 at 14:41 +0800, Chen Gong-B11801 wrote:
> you mean I should create a patch based that tree, not torvalds's tree,
> right ?
Yes, please.
> >
> > What happens if you call spi_write_then_read(spi, x, x, x, 5) on a
> > device which is only expecting to return 3 bytes. Does the call return
> > failure? Or just pad to 5 bytes with zeroes?
>
> frankly, I'm not sure to much, but from the datasheet I'v read, if CS#
> doesn't be pulled high, it should can read zero or Hi-Z(maybe some mess data)
I would like to be sure that we're not going to break on older chips.
--
dwmw2
next prev parent reply other threads:[~2008-09-16 6:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-16 6:14 [PATCH V2] [MTD] m25p80.c extended jedec support Chen Gong
2008-09-16 6:36 ` David Woodhouse
2008-09-16 6:41 ` Chen Gong-B11801
2008-09-16 6:51 ` David Woodhouse [this message]
2008-09-16 7:00 ` Chen Gong-B11801
2008-09-17 3:19 ` [PATCH V3] " Chen Gong
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