From: Grant Likely <grant.likely@secretlab.ca>
To: Hannu Heikkinen <ext-hannu.m.heikkinen@nokia.com>
Cc: linux-omap@vger.kernel.org,
spi-devel-general@lists.sourceforge.net,
dbrownell@users.sourceforge.net, ext-phil.2.carmody@nokia.com
Subject: Re: [PATCH 1/1] OMAP: McSPI: Off-by-one error in finding the right divisor
Date: Thu, 24 Feb 2011 09:00:46 -0700 [thread overview]
Message-ID: <20110224160045.GB17735@angua.secretlab.ca> (raw)
In-Reply-To: <22be8985c86a32b9829ff740ce72bc4bd2e383cf.1298556551.git.ext-hannu.m.heikkinen@nokia.com>
On Thu, Feb 24, 2011 at 04:13:31PM +0200, Hannu Heikkinen wrote:
> Off-by-one error, gave erroneous divisor value 16 if speed_hz is over zero but
> less than OMAP2_MCSPI_MAX_FREQ / (1 << 15), that is, [1..1463].
>
> Also few overly complex bit shifts in divisor fixed.
>
> Also one dev_dgb line fixed, which indicated max speed exceeding transfer speed.
>
> Introducing a new function omap2_mcspi_calc_divisor() for getting the right
> divisor in omap2_mcspi_setup_transfer().
>
> Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
> Signed-off-by: Hannu Heikkinen <ext-hannu.m.heikkinen@nokia.com>
Applied, thanks
g.
next prev parent reply other threads:[~2011-02-24 16:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-24 14:13 [PATCH 1/1] OMAP: McSPI: Off-by-one error in finding the right divisor Hannu Heikkinen
2011-02-24 16:00 ` Grant Likely [this message]
2011-02-24 16:10 ` Grant Likely
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